Unit 8 Our Blue Planet Lesson 2 Theme reading 课后练习2024-2025学年仁爱科普版（2024）七年级英语下册

Unit 8 Our Blue Planet Lesson 2 Theme reading 课后练习 一、词型转换 1. ocean（复数）________2. importance（形容词）________ 3. save（现在分词）________4. different（名词）________ 5. scientist（复数）________ 二、短语翻译 1. 节约用水 2. 用完；耗尽 3. 海洋生态系统 4. 淡水 5. 采取行动 三、根据句意及首字母或汉语提示补全单词 1. Water is very i________ to all living things. 2. We should try to s________ water in our daily life. 3. The e________ is our only home. We must protect it. 4. There isn't enough clean water for everyone, so we should not waste it. We should make good u________ of it. 5. Scientists are trying to find new ways to get more ________（淡水）. 四、用所给词的正确形式填空 1. We need ________ (save) water because it is limited. 2. The ________ (important) of protecting the environment is known to everyone. 3. There are many ways of ________ (save) water at home. 4. Different people have different ________ (idea) about how to protect the earth. 5. If we don't take action, the ________ (ocean) will be polluted more seriously. 五、句型转换 1. We should save water. (改为一般疑问句) ________ we ________ water? 2. There is little water in the bottle. (改为反意疑问句) There is little water in the bottle, ________ ________? 3. We can use the water from washing vegetables to water the flowers. (对划线部分提问) ________ can we use the water from washing vegetables ________ ________? 4. The earth is our only home. (改为感叹句) ________ ________ our only home the earth is! 5. People waste a lot of water every day. (改为被动语态) A lot of water ________ ________ by people every day. 六、完形填空 Water is very important 1.______ living things. Without water there can be 2.______ life on earth. All animals and plants need water. Man also needs water. We need water to drink, to cook and to clean 3.. It even 4. the greater part of our bodies. Water is almost everywhere. Even in the 5.______ places of the world, there is water in the air. However, we can not drink sea water 6.______ fresh water. To make things even 7., people often 8. to keep the water clean. They throw rubbish into rivers, lakes and seas. So not all the fresh water is 9.______ for us to drink. We're short 10.______ water. Something must be done to solve the problem. 1. A. to B. of C. with D. by 2. A. none B. not C. much D. no 3. A. himself B. our C. us D. ourselves 4. A. made of B. makes up C. makes D. made in 5. A. dry B. drier C. driest D. most dry 6. A. or B. so C. and D. but 7. A. best B. worse C. worst D. better 8. A. decide B. try C. fail D. take 9. A. clean enough B. enough clean C. enough good D. dirty enough 10. A. for B. in C. at D. of 七、任务型阅读 阅读下面短文，根据短文内容回答问题。 Water is the “life blood” of our earth. It is in every living thing. It is in the air. It runs through mountains and valleys. It forms lakes and oceans. Water is everywhere. Nature has a great water system (系统). Rainwater finds its way to streams (溪流) and rivers. Rivers lead to the ocean. At the mouths of the rivers, fresh water joins the salt water of the ocean. Thick water steam in the air becomes clouds and clouds bring us rain. Plants and animals’ lives depend on water. Where there is water, there is life. We have to clean our streams and rivers and do something against pollution because pollution does harm to the life. 1. What is the “life blood” of our earth? 2. Where does rainwater find its way? 3. What does thick water steam in the air become? 4. Why do we have to clean our streams and rivers and do something against pollution? 5. What's the passage mainly about? 参考答案： 一、1. oceans 2. important 3. saving 4. difference 5. scientists 二、1. save water 2. use up 3. ocean ecosystem 4. fresh water 5. take action 三、1. important 2. save 3. earth 4. use 5. fresh water 四、1. to save 2. importance 3. saving 4. ideas 5. oceans 五、1. Should; save 2. is there 3. What; to do 4. How important 5. is wasted 六、1 - 5 ADDBC 6 - 10 DBCAD 7、 1. Water. 2. Rainwater finds its way to streams and rivers. 3. Thick water steam in the air becomes clouds. 4. Because pollution does harm to the life. 5. It's mainly about the importance of water and the problem of water pollution. 学科网（北京）股份有限公司 $$