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1、Unit 4 Task一、翻译下列词组1. 一本关于生活在火星上的指南 2.一种很受欢迎的娱乐形式3.低重力篮球赛 4. 无污染车辆二、根据汉语提示完成句子1. Mr. Wang bought a (激光) printer yesterday.2. My (电子的) dictionary is broken.3. A cinema is a place of (娱乐).4. The mobile phone is (便宜的) enough for me to buy.5. Have you ever watched a (低重力的) basketball match before?三、短文填空
2、Is there life on Mars? We still do not know. According to scientific data, we are s 1 that people cannot live on Mars. Earth people need much oxygen to breathe, but there is almost no oxygen on Mars.Living on Mars would be l 2 living on a very high mountain. There would be little air. It might be 50
3、 a 3 zero at noon and 100 below zero at night. Many people u 4 to think there could be plants on Mars. We now know that Mars has very little carbon. Carbon is a kind of material found in all p 5 and animals on Earth. Through a telescope, Mars l 6 red. In some places, it seems grey. At times, the gre
4、y colour t 7 grey-green, then brown, and then grey again. People once thought this suggested that plant life changed c 8 with seasons.Today we know that the red colour c 9 from a fine dust of iron on the planet. Scientists are still working to e 10 the changing colours. Will man go to Mars one day?
5、If they do, they will have to take along their own oxygen, food, clothes, and something to sleep in.1.2.3.4.5.6.7.8.9.10.参考答案：一、词组 1. a guide to living on Mars 2. a popular form of entertainment3. low-gravity basketball games 4. Traffic with no air pollution二、根据汉语提示完成句子1. laser2. electronic3. entertainment4. cheap5. low-gravity三、短文填空1. sure2. like3. above4. used5. plants6. looks7. turns8. colour9. comes10. explain