Unit 8 I love nature! Lesson 1 Why are plants important？课后作业-2024-2025学年冀教版（2024）七年级英语下册

Unit 8 I love nature! Lesson 1 Why are plants important？ 课后作业 一、词型转换 1. importance（形容词）________________2. plant（复数）________________ 3. produce（名词）________________4. nature（形容词）________________ 5. breathe（名词）________________ 二、短语翻译 1. 净化空气 ________________2. 水循环 ________________ 3. 为……提供食物 ________________4. 以……为食 ________________ 5. 防止土壤流失 ________________ 三、根据句意及首字母或汉语提示补全单词 1. Plants are very i__________ to us. We can't live without them. 2. Many animals eat the l__________ and fruits from the trees. 3. The forest is the h__________ for many animals. 4. Plants play an important p__________ in the ecosystem. 5. We should protect the __________ (自然) and not destroy it. 四、用所给词的正确形式填空 1. Plants are important for us because they can __________ (produce) oxygen. 2. The forest provides a home for many __________ (animal). 3. We need to breathe fresh air to keep __________ (health). 4. Different plants have different __________ (function). 5. Without plants, the world would be a very __________ (difference) place. 五、句型转换 1. Plants are important because they give us food and oxygen.（对划线部分提问） __________ __________ plants important? 2. The forest is important for animals.（改为一般疑问句） __________ the forest important for animals? 3. Many animals live in the forest.（对划线部分提问） __________ __________ many animals live? 4. Plants make the world look beautiful.（改为否定句） Plants __________ __________ the world look beautiful. 5. Some medicine is made from plants.（改为同义句） Plants are __________ __________ some medicine. 六、完形填空 Plants are very important living things. Life could not go on if there 1 no plants. This is 2 plants can make food from air, water and sunlight. Animals and man 3 make food from air, water and sunlight. They get their food by eating plants and 4 animals. So animals and man need plants in order to 5 . This is why we find that there are so many plants around us. If you look carefully 6 the plants around you, you will find that there are two kinds of plants: flowering plants and non-flowering plants. Flowering plants can make seeds. The seeds are 7 by the fruits. Some fruits have one seed, some have two, three or four, and some have many seeds. 8 non-flowering plants do not grow flowers. They can not make seeds. Their seeds 9 very small and light. Wind can carry them to 10 places. ( ) 1. A. is B. are C. was D. were ( ) 2. A. why B. because C. how D. what ( ) 3. A. can B. can't C. should D. shouldn't ( ) 4. A. other B. the other C. others D. the others ( ) 5. A. live B. living C. lives D. lived ( ) 6. A. at B. on C. for D. in ( ) 7. A. covering B. covered C. cover D. to cover ( ) 8. A. But B. And C. Or D. So ( ) 9. A. am B. is C. are D. be ( ) 10. A. different B. the same C. difficult D. easy 七、任务型阅读 阅读下面短文，根据短文内容回答问题。 Plants are very important to us. First, they clean the air. They take in harmful gases and release oxygen for us to breathe. We can not live without oxygen. Second, plants give us food. We eat fruits, vegetables and grains which come from plants. Some animals also eat plants, and then we eat those animals. So plants are at the beginning of the food chain. Third, plants play a role in the water cycle. They help to keep the balance of water in nature. When it rains, plants can hold the water and then slowly release it. Fourth, plants make the world beautiful. Different kinds of plants with different colors and shapes make our earth a wonderful place. 1. Why are plants important for cleaning the air? 2. What do plants give us? 3. Where are plants in the food chain? 4. How do plants help in the water cycle? 5. What makes the world beautiful according to the passage? 参考答案： 一、词型转换 1. important 2. plants 3. product 4. natural 5. breath 二、短语翻译 1. clean the air 2. the water cycle 3. provide food for... 4. feed on 5. prevent the soil from being carried away 三、根据句意及首字母或汉语提示补全单词 1. important 2. leaves 3. habitat 4. part 5. nature 四、用所给词的正确形式填空 1. produce 2. animals 3. healthy 4. functions 5. different 五、句型转换 1. Why are 2. Is 3. Where do 4. don't make 5. made into 六、完形填空 1 - 5 DBBAA 6 - 10 ABACA 七、任务型阅读 1. Because they take in harmful gases and release oxygen for us to breathe. 2. They give us food. 3. Plants are at the beginning of the food chain. 4. When it rains, plants can hold the water and then slowly release it. 5. Different kinds of plants with different colors and shapes make the world beautiful. 学科网（北京）股份有限公司 $$