Bài tập Unit 15 môn Tiếng Anh Lớp 11

Nội dung text: Bài tập Unit 15 môn Tiếng Anh Lớp 11

1. B. Choose the word or phrase - a, b, c or d - that best completes the UNIT 15 : Space Conquest sentence. 16. No one is better cook than his mother, ___? TEST 1 a. is she b. isn't she c. are they d. I. PRONUNCIATION aren’t they Choose the word that has the underlined part pronounced differently 17. Do it right now, ___? from that of the others. a. will you b. shall you c. do you d. 1. a. foot b. moon c. look d. don't you would 18. There are no easy ways to learn a foreign language, ___? 2. a. gravity b. aspiration c. biography d. possible a. are they b. are there c. aren't they d. aren't 3. a. technical b. conquest c. psychology d. launched there 4. a. national b. venture c. fortunate d. suggestion 19. He seldom goes to the library, ___? 5. a. support b. shuttle c. success d. venture a. doesn’t he b. is he c. does he d. II. LANGUAGE FOCUS isn’t he A. Choose the word or phrase - a, b, c or d - that best completes the 20. Let's go for a long walk, ___? sentence or substitutes for the underlined word or phrase. a. will we b. shall we c. don't you d. 6. Neil Armstrong was the first man to walk on the moon ___ 20 July do you 1969. 21. I'd lost my key, so I ___ the door when I got home. a. in b. at c. on a. could lock b. wasn't able to lock d. of c. couldn't unlock d. was able to unlock 7. She is never satisfied ___ what she's got. 22. When Mr. Lee was younger, he ___ work in the garden for hours. a. to b. with c. for a. has got to b. should be able to c. can d. could d. in . 23. Yesterday I ___ to a furniture store. I bought a new lamp there. 8. In 1961 Yuri Gagarin lifted ___ into space aboard the Vostok 1. a. could go b. could have gone c. went d. ought to have a. off b. up c. on d. gone Ø 24. Do you think there ___ less conflict in the world if all people ___ 9. After landing, the team members were greeted like ___ heroes. the same language? a. conquer b. conquering c. conqueror d. conquest a. would be/ spoke b. were/ would speak 10. No one knew precisely what would happen to a human being in space. c. were/ spoke d. would have been/ a. exactly b. clearly c. carefully d. had spoken vividly 25. Jupiter is the largest planet in the solar system, ___ eleven times the 11. Neil Armstrong, an American ___, was the first man to step on the size of the earth. moon's surface. a. being b. has c. is d. a. scientist b. cosmonaut c. astronaut d. having astronomer C. Choose the word or phrase - A, B, C or D -that needs correcting. 12. The 27-year-old Soviet cosmonaut became the first person to eat and 26. After the stock market crash of 1929, less people were able to find drink in ___. A B (fewer) C a. weight b. weighting c. weightless d. Employment weightlessness D 13. About 100 Russian satellites are the earth. 27. The average temperature on Mars, the fourth planet from the sun, is a. flying b. orbitting c. traveling d. A B C circuiting about eighty degrees than colder on Earth. 14. Many people are demonstrating to express their ___ with the new D (colder than) land law. 28. Halley's comet was named of the astronomer Edmund Halley, who a. satisfied b. satisfactory c. satisfaction d. A (named after) dissatisfaction was the first to realize that some comets appear in regular cycles. 15. The astronauts were able to send the information back to the earth. B C D a. spaceships b. space stations c. spacemen d. 29. A number of people still wants to apply for the position of accountant in space shots A B (want) C D
2. that company. 47. All of the American astronauts on the spaceship landed on and explored 30. If I were a little taller I could be astronaut, but I don't meet the the surface of the moon. F A B C D 48. Today we are sending spacecraft with astronauts on board to other planets. F height requirement. (an astronaut) IV. WRITING III. READING Choose the phrase that best completes the sentence. A. Fill in each blank space with one appropriate from the box. 49. ___ by meteorites whose impact formed craters of all size. manned seriously affected space radiation groundless a. The surface of the moon was shaped weightlessness harmless journey flown appeared effects b. The moon whose surface shaped Before man had (31) flown in space it was thought that his physical and c. The surface of the shaped moon mental capabilities might be (32) affected by long periods of (33) d. The surface was forming the shape of the moon weightlessness,and that he might be endangered by high levels of (34) 50. Many craters on the earth's surface were probably formed by very large radiation. Yuri Gagariri's first (35) space flight in April 1961 showed that meteorites ___. man could live in space and, although this (36) journey only lasted for 108 a. when smashed into the ground was an explosion minutes, it gave encouragement to those interested in the future of (37) b. which smashed into the ground and an explosion manned space flight. In fact most of the early fears about man's health in c. smashing into the ground and exploding space have proved (38) groundless, and although several odd medical (39) d. they smashed into the ground and exploded effects have been observed, none has (40) seriously affected man's ability 51. Throughout history, the moon has inspired not only song and dance for useful work. ___. B. Read the passage carefully, then decide whether the following a. but poetry and prose as well b. but poetry also prose statements are true (1) or false IF). c. together with poetry and prose d. and also poetry and Throughout history there have been many great explorers. Have you, for prose example, heard of Marco Polo, the famous Italian traveler? He was the first 52. Claudius Ptolemy, ___ of the first century A.D., left a good European to travel to China. He arrived in China in the late 13th century. description of the geocentric theory. About 200 years later, Christopher Columbus sailed from Spain by ship. He a. he was an astronomer and a philosopher was looking for a new way to reach India. However, as you probably know, b. being an astronomer and a philosopher he didn't reach India. He landed in America. Five hundred years after c. an astronomer and who was a philosopher Columbus in the' 1930s a famous explorer named Richard Byrd was one of d. who was an astronomer and a philosopher the first persons to fly over both the North and the South Poles. Today we 53. ___ the fifth largest among the nine planets that make up our solar continue to explore this world and are studying to explore other worlds, too. system. In the 1930s Russian and American scientists sent many unmanned a. The Earth being b. The Earth is spacecraft to the moon. These spacecraft sent back very valuable c. That the Earth is d. Being the Earth information about the moon. Then on July 16th 1969 the first manned 54. If my aunt had not fallen down yesterday, ___. spaceship to the moon left earth. On that day Apollo 11 blasted off with three a. her legs would not be hurting now American astronauts on board. Four days after blast-off, two of these b. she can walk normally now astronauts landed on the moon. They later explored the surface of the moon. c. she does not have to go on crutches now About two days after landing on the moon, they started back to the earth. d. she would not have been painful now They arrived safely back on earth a few days later. Today we are sending 55. Glass that has been tempered may be up to ___. unmanned spacecraft to other planets. In the future, we might walk on Mars a. as hard as ordinary glass five times or Venus the way we did on the moon. We might even travel to other b. five times as hard as ordinary glass galaxies. Who knows? One thing we know for sure is that we will continue to c. hard as ordinary glass five times explore this world and other worlds, too. d. ordinary glass as hard as five times 41. Marco Polo traveled from England to China in the late 13th century. F 42. While he was looking for India, Christopher Columbus reached America. T UNIT 15 TEST 2 43. In the 19thcentury Richard Byrd flew over both the North and the South Poles. F I. PRONUNCIATION 44. Unmanned spacecraft went to the ,moon before manned spacecraft did. T Choose the word that has the main stress placed differently from that 45. Apollo 11 was the first manned spaceship to go to the moon. of the others. T 1. a. scientist b. president c. engineer d. astronaut 46. Apollo 11 was damaged in the blast. F 2. a. conquest b. venture c. technical d. artificial.
3. 3. a. biography b. psychological c. approximate d. 17. Tom wasn't at the party last night. He must not ___ a ride. I know he congratulate wanted to come, but he didn't have a ride. 4. a. aspiration b. gravity c. challenge d. a. be able to have gotten b. have been able to get fortunate c. to have been able to get d. be able to get 5. a. success b. cosmonaut c. extreme d. appoint 18. Robert ___ a new car for a very good price. He paid 30 percent less II. LANGUAGE FOCUS than the regular retail cost. A. Choose the word or phrase - a, b, c or d - that best completes the a. could buy b. was supposed to buy c. had to buy d. was able to buy sentence or substitutes for the underlined word or phrase. 19. Since they came, we ___ able to work on the project. 6. The Cosmonaut Training Center at Star City, Russia was named ___ a. are b. have been c. have to be d. him. were a. of b. on c. for 20. After I ___ at the bus terminus, I found a crowd of schoolboys. d. after a. had arrived b. arrived c. have arrived d had 7. China became the third country in the, world to be able to independently been arriving carry ___ manned space flights. 21. Seldom ___ such a beautiful sight. a. on b. out c. off a. have I seen b. I have ever seen c. I saw d. d. over did I ever see 8. Yuri Gagarin is the first human to fly ___ space. 22. No one is indifferent to praise, ___ ? a. in b. to c. into a. is one b. isn’t one c. is he d. d. around are they 9. Man has witnessed a great many significant ___ of science and 23. Somebody has left these socks on the bathroom floor, ___ ? technology in the past few decades. a. have they b. haven't they c. has he d. a. achieves b. achieved c. achievers d. hasn't he achievements 24. Despite the bad weather, he ___ get to the airport in time. 10. He was pulled off an extraordinary ___ in completing the voyage a. could b. was able to c. couldn't d. might single-handedly. 25. The existence of many stars in the sky ___ us to suspect that there a. feast b. feat c. feature d. may be life on another planet. fervour a. lead b. leads c. leading 11. Sputnik was the first ___ satellite made by the USSR. d. have led a. manned b. natural c. artificial d. live C. Choose the word or phrase - A, B, C or D - that needs correcting. 12. From his window in space, Gagarin had a view of the Earth that no 26. He hardly never says anything at the local meeting. (ever) human beings had done before. A B C D a. discription b. vision c. recognition d. 27. All the students in the class are enough good to pass the final exam. attention A (good enough) B C D 13. The successful flight marked a milestone in China's space project. 28. Neither Sam nor James wanted their name associated with the project. a. landmark b. record c. break-up A B C (his) D d. progress 29. Not only could the younger people completed all the work quickly and 14. His flight was in ___ around the Earth at the speed of more than (complete) A B 17,000 miles per hour. accurately, but the retired workers could also. a. orbit b. travel c. circuit C D d. revolve 30. Our nervous system has over ten billions nerve cells in a network 15. The use of computer aids in teaching, ___ the role of teachers is still A B very important. covering every inch of our skin and organs. (billion) a. yet b. unless c. despite C D d. where 31. According to geological discoveries, 4.6-billion-years life span of our B. Choose the word or phrase - a, b, c or d - that best completes the A B (4.6-billion-year) sentence. planet is divided into four time intervals called eras. 16. I think he will join us, ___? C D a. doesn't he b. won't he c. will he 32. The players prepared good for the tournament but performed poorly. d. don't I A B (well) C D
4. 33. During first ten years of the Space Age, which began in 1957, more than B. Read the passage carefully, then choose the correct answer. A (during the first) B C There is one planet that still fascinates and teases scientists mainly 500 artificial satellites were rocketed into orbit around the Earth. because it doesn't have an atmosphere to 9bscure observation, yet it is not D big enough for sufficiently accurate telescopic observation. The fact that it is 34. Air pollution, together with littering, are causing many problems also very close to the sun also makes it difficult for astronomers. A B (is) C However, space telescopes have told us a lot more about Mercury. It is in our large, industrial cities today. rather similar to Earth's moon and to Mars. There are mountainous areas D dotted with craters and large valleys which are uncratered. The moon's 35. Stars in our universe vary in temperature, color, bright, size and mass. valleys have fewer cracks and the ridges are smoother. Mercury's valleys are A B C (brightness) D filled with volcanic rocks, similar to on the moon, yet there is no evidence of III. READING volcanoes, even extinct ones, on Mercury, as there is on the both Mars and A. Choose the word - a, b, c or d - that best fits the blank space in the the moon, and of course here on Earth. following passage. So, scientists presume the valleys on Mercury were caused by different Is there life on Mars? Many people have (36) ___ about this question. things, that is to say not by volcanoes, but by very large meteorites, which Some writers of science-fiction think of people from Mars (37) ___ little also caused the cracks in the terrain and left the ridges rough and uneven. green creatures. Others imagine 'Martians' as monsters with many eyes. More and better photos of Mercury are needed to prove what are at present In studying this planet, astronomers have found that life may be possible at best only hypotheses. on Mars. The first (38) ___ of this is that Mars has seasons, just like Earth. 46. What is the topic of this passage? In other words, Earth's seasons, such as spring or summer, occur on Mars a. The planet, Mercury b. Observation of planets too. Because these seasons exist, it may be possible for (39) ___ and c. The Earth's moon d. Astronomers' difficulties other higher (40) ___ forms to be found on Mars. 47. Why does Mercury still tease scientists? Astronomers also think that perhaps a small (41) ___ of water vapor a. Because it has an atmosphere which obscures observation: could be found on Mars. In 1887, an Italian astronomer, Giovanni b. Because it is too close to the sun; Schiaparelli, discovered markings on Mars' surface. These markings looked c. Because it is too small. like canals. This finding (42) ___ astronomers to believe that since water d. Because it is difficult for space probes to get close to. exists on Mars, life forms could exist as well. 48. What is true about Mercury but not true about the moon or Mars? However, there are (43) ___ who feel that life on mars is not possible. a. The valleys are filled with volcanic rocks. b. There are no volcanoes. This is because there is little or no (44) ___ of oxygen on the planet. In c. The valleys are uncratered d. There 1965, the Mariner IV capsule managed to take photographs of the planet. It are hilly regions. discovered that the only forms of life found are vegetation like fungi and 49. What does the author imply space telescopes can do better than land- mosses. (45) ___, people remain fascinated by the idea that there could based telescopes? one day be life on Mars. a. Show, the volcanoes on Mercury. 36. a. puzzled b. asked c. wondered d. confused b. Show the meteorites which hit Mercury. 37. a. like b. to be c. as being d. c. Show what caused Mercury's valleys. as d. Show more of the planet, Mercury. 38. a. indication b. print c. mark d. 50. What can we infer from the passage that astronomers still need to get trace more detailed observation of Mercury? 39. a. vegetables b. vegetation c. vegetarian d. a. Better and more space telescopes b. More veterinary hypotheses. 40. a. lively b. living c. live d. c. Larger space telescopes d. More ways to prove hypotheses. life IV. WRITING 41. a. quantity b. amount c. portion d. mass A. From the four words or phrases - a. b, c or d - choose the one that 42. a. got b. took c. led d. brought best completes the sentence. 43. a. others b. another c. other d. 51. ___ was the first fully successful transatlantic cable finally laid. some other a. Not until 1866 b. Until 1866, just 44. a. mark b. speck c. trace c. Until 1866 d. In 1866, not until d. bit 52. The fact that ___ was discovered in 1923 by the astronomer Edwin 45. a. According b. Nevertheless c. Thus d. Hubble. Consequently a. the expansion of the universe b. the universe, which is expanding
5. c. when the universe expands d. the universe is expanding 63. a. biography b. psychological c. approximate d. 53. ___ that life began billions of years ago in the water. congratulate a. It is believed b. In the belief c. The belief d. Believing 64. a. aspiration b. gravity c. challenge d. 54. Because Mars is farther from the Sun than ___, Mars takes longer to fortunate complete a revolution. 65. a. success b. cosmonaut c. extreme d. appoint a. is from Earth b. Earth is c. what is Earth d. is it Earth VI. LANGUAGE FOCUS 55. ___ in the atmosphere is the temperature falling below freezing. D. Choose the word or phrase - a, b, c or d - that best completes the a. Frost is produced b. Frost produces sentence or substitutes for the underlined word or phrase. c. What produces frost d. What is frost 66. The Cosmonaut Training Center at Star City, Russia was named ___ B. Choose the sentence -a, b, c or d - which is closest in meaning to him. the printed one. a. of b. on c. for 56. In the class of twenty, Jeanne is the third best student. d. after a. Two students are smarter than Jeanne. 67. China became the third country in the, world to be able to independently b. The class has only three smart students. carry ___ manned space flights. c. No other student is as smart as Jeanne. a. on b. out c. off d. Jeanne is not as smart as most of the other students. d. over 57. She is unqualified to fill the position as executive secretary of the firm. 68. Yuri Gagarin is the first human to fly ___ space. a. Both she and the executive secretary have a firm position. a. in b. to c. into b. She possesses the firm qualities of an executive secretary. d. around c. Firmness is needed to qualify one for position of executive secretary. 69. Man has witnessed a great many significant ___ of science and d. The job of executive secretary requires more skills than she has. technology in the past few decades. 58. The children looked forward to getting new clothes for Christmas. a. achieves b. achieved c. achievers d. a. The children expected new clothes as Christmas gifts. achievements b. The children wanted to wear new clothes on Christmas Day. 70. He was pulled off an extraordinary ___ in completing the voyage c. The children looked for new clothes for Christmas. single-handedly. d. The children got dressed for Christmas Day. a. feast b. feat c. feature d. 59. The company turned down Bill's offer. fervour a. The company agreed with Bill's offer 71. Sputnik was the first ___ satellite made by the USSR. b. The company rejected Bill's offer. a. manned b. natural c. artificial d. live c. The company accepted Bill's offer 72. From his window in space, Gagarin had a view of the Earth that no d. The company discussed Bill's offer. human beings had done before. 60. Slightly more than twenty five percent of the students in the class come a. discription b. vision c. recognition d. from Spanish-speaking countries. attention a. The majority of the students in the class do not speak Spanish. 73. The successful flight marked a milestone in China's space project. b. Seventy-five percent of the students in the class speak Spanish. a. landmark b. record c. break-up c. The percentage of the students who speak Spanish is less than d. progress twenty-five percent. 74. His flight was in ___ around the Earth at the speed of more than d. About twenty-five percent of the students in the class speak languages 17,000 miles per hour. other than Spanish. a. orbit b. travel c. circuit d. revolve 75. The use of computer aids in teaching, ___ the role of teachers is still UNIT 15 TEST 2 very important. V. PRONUNCIATION a. yet b. unless c. despite Choose the word that has the main stress placed differently from that d. where of the others. E. Choose the word or phrase - a, b, c or d - that best completes the 61. a. scientist b. president c. engineer d. astronaut sentence. 62. a. conquest b. venture c. technical d. 76. I think he will join us, ___? artificial. a. doesn't he b. won't he c. will he d. don't I
6. 77. Tom wasn't at the party last night. He must not ___ a ride. I know he 93. During first ten years of the Space Age, which began in 1957, more than wanted to come, but he didn't have a ride. A (during the first) B C a. be able to have gotten b. have been able to get 500 artificial satellites were rocketed into orbit around the Earth. c. to have been able to get d. be able to get D 78. Robert ___ a new car for a very good price. He paid 30 percent less 94. Air pollution, together with littering, are causing many problems than the regular retail cost. A B (is) C a. could buy b. was supposed to buy c. had to buy d. was able to buy in our large, industrial cities today. 79. Since they came, we ___ able to work on the project. D a. are b. have been c. have to be d. 95. Stars in our universe vary in temperature, color, bright, size and mass. were A B C (brightness) D 80. After I ___ at the bus terminus, I found a crowd of schoolboys. VII. READING a. had arrived b. arrived c. have arrived d had C. Choose the word - a, b, c or d - that best fits the blank space in the been arriving following passage. 81. Seldom ___ such a beautiful sight. Is there life on Mars? Many people have (36) ___ about this question. a. have I seen b. I have ever seen c. I saw d. Some writers of science-fiction think of people from Mars (37) ___ little did I ever see green creatures. Others imagine 'Martians' as monsters with many eyes. 82. No one is indifferent to praise, ___ ? In studying this planet, astronomers have found that life may be possible a. is one b. isn’t one c. is he d. on Mars. The first (38) ___ of this is that Mars has seasons, just like Earth. are they In other words, Earth's seasons, such as spring or summer, occur on Mars 83. Somebody has left these socks on the bathroom floor, ___ ? too. Because these seasons exist, it may be possible for (39) ___ and a. have they b. haven't they c. has he d. other higher (40) ___ forms to be found on Mars. hasn't he Astronomers also think that perhaps a small (41) ___ of water vapor 84. Despite the bad weather, he ___ get to the airport in time. could be found on Mars. In 1887, an Italian astronomer, Giovanni a. could b. was able to c. couldn't d. might Schiaparelli, discovered markings on Mars' surface. These markings looked 85. The existence of many stars in the sky ___ us to suspect that there like canals. This finding (42) ___ astronomers to believe that since water may be life on another planet. exists on Mars, life forms could exist as well. a. lead b. leads c. leading However, there are (43) ___ who feel that life on mars is not possible. d. have led This is because there is little or no (44) ___ of oxygen on the planet. In F. Choose the word or phrase - A, B, C or D - that needs correcting. 1965, the Mariner IV capsule managed to take photographs of the planet. It 86. He hardly never says anything at the local meeting. (ever) discovered that the only forms of life found are vegetation like fungi and A B C D mosses. (45) ___, people remain fascinated by the idea that there could 87. All the students in the class are enough good to pass the final exam. one day be life on Mars. A (good enough) B C D 96. a. puzzled b. asked c. wondered d. confused 88. Neither Sam nor James wanted their name associated with the project. 97. a. like b. to be c. as being d. A B C (his) D as 89. Not only could the younger people completed all the work quickly and 98. a. indication b. print c. mark d. (complete) A B trace accurately, but the retired workers could also. 99. a. vegetables b. vegetation c. vegetarian d. C D veterinary 90. Our nervous system has over ten billions nerve cells in a network 100. a. lively b. living c. live A B d. life covering every inch of our skin and organs. (billion) 101. a. quantity b. amount c. portion d. mass C D 102. a. got b. took c. led d. brought 91. According to geological discoveries, 4.6-billion-years life span of our 103. a. others b. another c. other A B (4.6-billion-year) d. some other planet is divided into four time intervals called eras. 104. a. mark b. speck c. trace C D d. bit 92. The players prepared good for the tournament but performed poorly. 105. a. According b. Nevertheless c. Thus d. A B (well) C D Consequently
7. D. Read the passage carefully, then choose the correct answer. c. when the universe expands d. the universe is expanding There is one planet that still fascinates and teases scientists mainly 113. ___ that life began billions of years ago in the water. because it doesn't have an atmosphere to 9bscure observation, yet it is not a. It is believed b. In the belief c. The belief d. Believing big enough for sufficiently accurate telescopic observation. The fact that it is 114. Because Mars is farther from the Sun than ___, Mars takes longer also very close to the sun also makes it difficult for astronomers. to complete a revolution. However, space telescopes have told us a lot more about Mercury. It is a. is from Earth b. Earth is c. what is Earth d. is it Earth rather similar to Earth's moon and to Mars. There are mountainous areas 115. ___ in the atmosphere is the temperature falling below freezing. dotted with craters and large valleys which are uncratered. The moon's a. Frost is produced b. Frost produces valleys have fewer cracks and the ridges are smoother. Mercury's valleys are c. What produces frost d. What is frost filled with volcanic rocks, similar to on the moon, yet there is no evidence of D. Choose the sentence -a, b, c or d - which is closest in meaning to volcanoes, even extinct ones, on Mercury, as there is on the both Mars and the printed one. the moon, and of course here on Earth. 116. In the class of twenty, Jeanne is the third best student. So, scientists presume the valleys on Mercury were caused by different a. Two students are smarter than Jeanne. things, that is to say not by volcanoes, but by very large meteorites, which b. The class has only three smart students. also caused the cracks in the terrain and left the ridges rough and uneven. c. No other student is as smart as Jeanne. More and better photos of Mercury are needed to prove what are at present d. Jeanne is not as smart as most of the other students. at best only hypotheses. 117. She is unqualified to fill the position as executive secretary of the 106. What is the topic of this passage? firm. a. The planet, Mercury b. Observation of planets a. Both she and the executive secretary have a firm position. c. The Earth's moon d. Astronomers' difficulties b. She possesses the firm qualities of an executive secretary. 107. Why does Mercury still tease scientists? c. Firmness is needed to qualify one for position of executive secretary. a. Because it has an atmosphere which obscures observation: d. The job of executive secretary requires more skills than she has. b. Because it is too close to the sun; 118. The children looked forward to getting new clothes for Christmas. c. Because it is too small. a. The children expected new clothes as Christmas gifts. d. Because it is difficult for space probes to get close to. b. The children wanted to wear new clothes on Christmas Day. 108. What is true about Mercury but not true about the moon or Mars? c. The children looked for new clothes for Christmas. a. The valleys are filled with volcanic rocks. b. There are no volcanoes. d. The children got dressed for Christmas Day. c. The valleys are uncratered d. There 119. The company turned down Bill's offer. are hilly regions. a. The company agreed with Bill's offer 109. What does the author imply space telescopes can do better than b. The company rejected Bill's offer. land-based telescopes? c. The company accepted Bill's offer a. Show, the volcanoes on Mercury. d. The company discussed Bill's offer. b. Show the meteorites which hit Mercury. 120. Slightly more than twenty five percent of the students in the class c. Show what caused Mercury's valleys. come from Spanish-speaking countries. d. Show more of the planet, Mercury. a. The majority of the students in the class do not speak Spanish. 110. What can we infer from the passage that astronomers still need to b. Seventy-five percent of the students in the class speak Spanish. get more detailed observation of Mercury? c. The percentage of the students who speak Spanish is less than a. Better and more space telescopes b. More twenty-five percent. hypotheses. d. About twenty-five percent of the students in the class speak languages c. Larger space telescopes d. More ways to prove hypotheses. other than Spanish. VIII. WRITING C. From the four words or phrases - a. b, c or d - choose the one that best completes the sentence. 111. ___ was the first fully successful transatlantic cable finally laid. a. Not until 1866 b. Until 1866, just c. Until 1866 d. In 1866, not until 112. The fact that ___ was discovered in 1923 by the astronomer Edwin Hubble. a. the expansion of the universe b. the universe, which is expanding