8A Unit 7 同步课时训练 Reading(I) 一、词汇运用 1. The Antarctic ecosystem (include) seals and is affected by rising sea temperatures. 2. (sad), the Arctic ice is melting faster, leaving the polar bears fewer and fewer hunting areas. 3. The (penguin) nesting areas on the ice are getting smaller and smaller. 4. Factories poured thousands of (ton) of waste into rivers, polluting fresh water. 5. We must (行动) to plant trees, as they help produce oxygen and clean the air. 6. Marine animals often mistake single-use plastics for food. This (伤害) them. 7. (因此), more wetlands should be protected to prevent floods and clean water. 8. The (气候) in this area has changed, affecting the growth of native plants in forests. 二、动词填空 1. We do everything we can (protect) the school's mini-ecosystem from pollution. 2. He will call us as soon as he (return) from the wetland research trip this evening. 3. My mother (leave) me alone at home in the following two days. 4. The number of students joining the eco-club (get) larger and larger. 5. It was too late. I (have) to wait for the next school bus. 6. Last week, our class had great fun (play)“ecosystem charades”. 7. We should try to stop visitors (pick) flowers in the community park. 8. Barking dogs never bite, so (not be) afraid when you see stray animals. 三、单项选择 ( )1. The ocean about 71% of the earth's surface, just like the“heart” of the earth. A. covers B. feeds C. holds D. produces ( )2. The forest near the village all kinds of small animals, offering them food and shelter. A. takes care of B. gives birth to C. is home to D. keeps away from ( )3. The temperature quickly in desert areas during the day. A. rises B. raise C. drops D. develops ( )4. During heavy rains, wetlands water like giant sponges to prevent floods. A. return B. store C. harm D. create ( )5. All the things on the earth need water to keep . A. living; alive B. living; living C. alive; alive D. alive; living ( )6. The forest can carbon dioxide and produce oxygen, just like the“lungs” of Earth. A. take in B. take out C. take off D. take away ( )7. visitors come to Wuxi's Taihu Lake every year to enjoy the natural scenery. A. Millions of B. Million of C. Two millions D. Two million of ( )8. The nature reserve about 2,472 square kilometers, protecting many wild species. A. makes up B. holds up C. puts up D. picks up ( )9. We must plastic bags to prevent sea turtles from eating them by mistake A. get rid of B. make use of C. take care of D. look out of ( ) 10.——— Wetlands are like the“ kidneys” of the earth because they clean water and prevent floods. — That's why they' re so important. A. I don't think so. B. I couldn't agree more. C. I'm afraid not. D. It's a pity. 四、阅读理解 The Important Three: Mangroves, Tundras and coral Reefs What's an Ecosystem An ecosystem is all the living things (like plants, animals) and non- living things (such as water,rocks) in one area. Ecosystems can be big or small——— from a small gard ... ...
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