Bài tập Unit 7+8+10 môn Tiếng Anh Lớp 9

Nội dung text: Bài tập Unit 7+8+10 môn Tiếng Anh Lớp 9

1. Unit 7 Reporter: Does pollution mean that bodies of water get hotter, Mr Nam? Mr Nam: Not always. Sometimes the water becomes colder, and that’s also thermal pollution means a change in the water temperature. Reporter: That’s interesting! What cause is it? Mr Nam: . are one factor. They use water in the nearby lakes or rivers to cool their equipment, which heats up the water. Then they dump the hot water back into its source. Reporter: Are there any other causes? Mr Nam: Yes. Thermal pollution may also happen due to the of cold water from reservoirs into warm rivers. Reporter: Thermal pollution can have dramatic effects. Right?
2. Mr Nam: Certainly. Most aquatic need a c ertain temperature to survive. Warmer water has less oxygen in it, and this can harm fish populations. Besides, warmer water can cause harmful algal blooms. This can change the colour of the water like in the first picture and, more seriously, the algea the fish . Reporter: What can we do, Mr Nam? Mr Nam: In many places, they build cooling towers like in the second picture to cool down the water from power stations. Reporter: Anything else we can do? UNIT 8
3. Good morning. I hope you all had a good sleep. We are now heading for Wanaka. We arrive at the first , Puzzing Wo rld at 9.30. The first puzzling thing which welcomes you is the Leaning Tower. When you get inside the spacious café, you will find yourself among various wooden puzzles and games. The Illusion Room is must-see as there’s nothing else like it in the world. Puzzling World is possibly the most photographed attraction in New Zealand. At 12.30 we leave for Lake Wanaka, New Zealand’s fourth largest lake. This natural has something for everyone. Adventure lovers may follow the biking and walking tracks through the park. seekers may stay by the lake, taking a boat ride, or just sitting and watching its changing beauty. We meet up at 4 o’clock and the bus leaves at exactly 4.15. I hope UNIT 10 Thanks to the widespread use of modern means of transport, people have more choice of holiday restination and can now visit even the remotest parts of the world. Tourism has certainly become an important .in the development of many countries. An obvious benefit of tourism is that it plays a key role in economic growth. It contributes greatly of a region or country. It also brings job opportunities to all kinds of people, and therefore helps promote prosperity in diverse fields. Another positive aspect of tourism is that it helps promote international understanding and cooperation among nations. In addition, tourism can improve the of living of local or rural communities, so young people are encouraged to stay in their hometown to build a good life rather than move to big cities. Finally, tourism brings cultural ., learn about the history and culture of a place, and spread them around the world.
4. In the other hand, the drawbacks of tourism can't be denied UNIT 10 Dr Minh Vu: The word is a . of ‘net’ and ‘etiquette’. It’s a of rules for behaving properly online. Reporter: Could you tell us the main rule of netiquette? Dr Minh Vu: Remember that the people we’re with online are real people. Don’t say and do unpleasant things online. just like in real life. Reporter: But sometimes perhaps it’s not what we communicate, but how communicate ? Dr Minh Vu: Absolutely. For example, if you write emails, or post comments using CAPS LOCK, this means you are shouting at people! Reporter: Of course it’s not polite at all. What else should we do when sending emails? Dr Minh Vu: Check your message for spelling . before you send it. It shows respect towards the other person. Don't use too much shorthand. This may confuse your reader. Reporter: How about in chat rooms and on message boards? Dr Minh Vu: Follow discussion rules. Use polite language. People may not know who you are but you are judged by the quality of your writing. UNIT 11
5. Nick: Hey, Duong and Chau, do you remember Dr. Nelson’s talk science and technology? Chau: Yes. He said that science and technology would help us the world’s problems in the future. Nick: Right. I think world hunger is a problem now, and develops ways to get high yieds in farming will help feed the growing on earth. Duong: Good point. Also we may be able to live on other planets, and overcrowding won’t be a problem any more Nick: And I like the idea of having lessons at home with a robot, and the Internet. Duong: And no more paper books. We’ll have e-books, and tablets for everything. Chau: That doesn’t sound like a to me. I’d still want to go to school. I’d like to communicate face-to-face with teachers and friends. In my opinion, science and technology will bring new problems to people. Duong: Like what?Chau: Well, robots will bring unemployment, and high yieds in farming may destroy the environment and sending people to Mars may cause pollution Nick: You’re right: so many new proplems