外研版（2021）中职英语基础模块1 Unit 5 We Have Only One Earth 同步习题（第四课时，含答案）

第四课时 一、音标辨析，请将下列单词画线部分的发音进行归类。 food good cook moon too look who put true could /uː/ /ʊ/ 二、将下列中文翻译成英文。 1. 厨余垃圾 2. 可回收垃圾 3. 有害垃圾 4. 其他垃圾 5. 塑料瓶 6. 剩菜剩饭 7. 废电池 8. 过期药 三、补全文章。 1. __________ If the Earth is really a mother, she must be very sick. Why? Because she has a lot of problems right now. 2. __________ It makes the Earth hot and changes the climate. It also makes the sea level rise. If the sea level goes on rising, some places such as the Maldives, Saint Petersburg in Russia and Bangkok in Thailand, maybe under water in just tens of years. 3. __________ We can only use 3 percent of the Earth’s water. But people throw trash and pour dirty water into rivers and the sea. Many people don’t have clean water to drink. 4. __________ According to a report from BP (英国石油公司), there will be no coal to use on the Earth by 2158 and oil will dry up by 2050. 5. __________ A. Besides, humans are using up natural resources. B. Another serious problem is water pollution. C. How can we stop these problems? D. Global warming is a very big problem in the world. E. We call the Earth our “mother”. 四、阅读理解。 Although plastic bags are cheap and useful, they bring about a lot of pollution. Scientists say plastic bags can take hundreds of years to break down. But according to The Guardian, we now may have a helper to clean up the plastic trash—worms. Federica Bertocchini is a Spanish biologist (生物学家). One day, she put a few wax worms in a plastic bag and closed it. When she came back, the worms had made holes (洞) in the bag and ran away! Bertocchini then found that the worms eat plastic. There is a special enzyme (酶) inside the worms that can digest (消化) plastic. In 24 hours, 100 worms can eat 92 milligrams (毫克) of plastic. That means the group of worms could eat up a plastic bag in a month! So, should we use worms to clean up plastic trash? Bertocchini said she’d rather use the enzyme. “Maybe we can produce it at high-scale (大规模), rather than usin