Unit 8 Our Blue Planet 测试卷2025-2026学年仁爱科普版英语七年级下册

2026仁爱版英语七年级下册 Unit 8 Our Blue Planet 测试卷及答案 一、单项选择（每小题1分，共15分） 1. There is ______ water on the earth, but we should still save it. A. many B. much C. a few D. little 2. The earth is our ______ home. We should protect it. A. only B. first C. last D. best 3. Don't throw rubbish into the river. It will ______ the water. A. clean B. pollute C. protect D. save 4. We should use ______ bags instead of plastic bags. A. paper B. cloth C. plastic D. glass 5. ______ is very important for all living things. A. Air B. Water C. Food D. Sunlight 6. If we ______ trees, there will be less air pollution. A. plant B. cut C. burn D. destroy 7. We can save energy by ______ off the lights when we leave the room. A. turn B. turning C. turns D. to turn 8. The ______ is getting warmer and warmer. A. sun B. moon C. earth D. star 9. We should ride bikes or take buses to reduce ______ pollution. A. water B. air C. noise D. soil 10. Recycling is good for the ______. A. environment B. pollution C. waste D. problem 11. Don't ______ water when you brush your teeth. A. save B. waste C. use D. need 12. We can ______ paper to save trees. A. throw B. waste C. recycle D. burn 13. There are ______ kinds of pollution on the earth. A. much B. many C. a little D. little 14. We should ______ our planet for future generations. A. destroy B. pollute C. protect D. waste 15. The blue planet refers to our ______. A. sun B. moon C. earth D. star 二、词汇运用（每小题1分，共15分） A. 根据句意及首字母提示完成单词 16. We should p______ our environment from pollution. 17. Don't w______ water. It's very important for us. 18. We can r______ paper and plastic to save resources. 19. There is too much a______ pollution in big cities. 20. We should use c______ bags when shopping. B. 用所给单词的适当形式填空 21. We should try our best ______ (protect) the earth. 22. It's important ______ (save) water and electricity. 23. Don't throw rubbish ______ (careful) . 24. We can reduce pollution by ______ (ride) bikes. 25. There are many ______ (way) to protect the environment. C. 选词填空 26. We should ______ plastic bags with cloth bags. (replace) 27. Trees can help ______ the air. (clean) 28. We need to ______ our planet. (protect) 29. Don't ______ water when washing vegetables. (waste) 30. Recycling is good for the ______. (environment) 三、句型转换（每小题2分，共10分） 31. We should save water. (改为一般疑问句) ______ we ______ water? 32. Don't throw rubbish into the river. (改为同义句) We ______ throw rubbish into the river. 33. We can use cloth bags. We can use paper bags. (合并为一句) We can use cloth bags ______ ______ ______ paper bags. 34. The earth is our only home. (对划线部分提问) ______ is our only home? 35. We should protect the environment. (改为否定句) We ______ ______ protect the environment. 四、阅读理解（每小题2分，共30分） A篇 Our earth is a beautiful blue planet. There is plenty of water on the earth, but only a small part of it is fresh water. We use water every day for drinking, cooking, washing and many other things. However, we are wasting too much water. For example, we often leave the tap running when we brush our teeth or wash our hands. Water is very important for all living things. Without water, there would be no life on the earth. We should save water in our daily life. Here are some ways to save water: turn off the tap when not in use, fix leaking taps, use water-saving appliances, and so on. 36. ( )What color is our planet? A. Green B. Blue C. Red D. Yellow 37. ( )Why is water important? A. Because it's blue B. Because it's cheap C. Because it's necessary for life D. Because it's everywhere 38. ( )What do we do when we brush our teeth? A. We save water B. We turn off the tap C. We leave the tap running D. We fix the tap 39. ( )How many ways to save water are mentioned in the passage? A. Two B. Three C. Four D. Five 40. ( )What's the main idea of the passage? A. Water is everywhere B. We should save water C. The earth is beautiful D. Water is cheap B篇 Pollution is a big problem for our environment. There are many kinds of pollution: air pollution, water pollution, noise pollution and so on. Air pollution is caused by cars, factories and burning coal. Water pollution comes from factories, farms and households. We can do many things to reduce pollution. First, we should use public transportation or ride bikes instead of driving cars. Second, we should save energy by turning off lights and electrical appliances when not in use. Third, we should recycle paper, glass and plastic. Fourth, we should use cloth bags instead of plastic bags. Everyone can make a difference. If we all work together, we can make our planet a better place to live. 41. ( )What causes air pollution? A. Trees and flowers B. Cars and factories C. Water and air D. Sun and moon 42. ( )Where does water pollution come from? A. Only from factories B. Only from farms C. From factories, farms and households D. From cars and buses 43. ( )How many ways to reduce pollution are mentioned? A. Three B. Four C. Five D. Six 44. ( )What should we use instead of plastic bags? A. Paper bags B. Cloth bags C. Plastic bags D. No bags 45. ( )What's the best title for the passage? A. Types of Pollution B. How to Reduce Pollution C. Causes of Pollution D. Effects of Pollution C篇 The earth is facing many environmental problems. One of the biggest problems is global warming. The earth's temperature is rising because of too much carbon dioxide in the atmosphere. This is mainly caused by burning fossil fuels like coal, oil and gas. Global warming causes many problems. It makes the ice at the poles melt, which causes sea levels to rise. It also causes more extreme weather, like hurricanes, droughts and floods. Many animals and plants are in danger because of these changes. We need to take action now. We should use renewable energy sources like solar power and wind power. We should also plant more trees because trees can absorb carbon dioxide. Everyone can help by making small changes in their daily lives. 46. ( )What is global warming? A. The earth getting cooler B. The earth getting warmer C. The earth getting bigger D. The earth getting smaller 47. ( )What causes global warming? A. Too much oxygen B. Too much carbon dioxide C. Too much water D. Too much air 48. ( )What happens when the ice at the poles melts? A. Sea levels fall B. Sea levels rise C. Sea levels stay the same D. Sea levels disappear 49. ( )What can absorb carbon dioxide? A. Cars B. Factories C. Trees D. Houses 50. ( )What kind of energy should we use? A. Fossil fuels B. Renewable energy C. Nuclear energy D. Chemical energy 五、书面表达（30分） 51. 假如你是李华，你的英国笔友Peter写信询问你关于环境保护的情况。请你根据以下提示，给他写一封回信。 提示： · 中国在环境保护方面取得的成就 · 日常生活中我们可以做的环保小事 · 呼吁大家一起保护环境 要求： · 词数80-100词 · 包含所有提示内容 · 语句通顺，意思连贯 答案解析 一、单项选择答案解析 1. B 考查不可数名词修饰词。water是不可数名词，要用much修饰。 2. A 考查形容词用法。"only"表示"唯一的"，强调地球是我们唯一的家园。 3. B 考查动词辨析。"pollute"意为"污染"，与句意相符。 4. B 考查生活常识。为了环保，我们应该使用布袋代替塑料袋。 5. B 考查名词辨析。根据上下文，水对所有生物都很重要。 6. A 考查动词辨析。"plant trees"意为"植树"，可以减少空气污染。 7. B 考查动名词作介词宾语。"by"后面接动名词形式。 8. C 考查名词辨析。根据上下文，地球变得越来越暖。 9. B 考查名词辨析。骑自行车或坐公交车可以减少空气污染。 10. A 考查名词辨析。回收利用对环境有好处。 11. B 考查动词辨析。刷牙时不要浪费水。 12. C 考查动词辨析。回收纸张可以拯救树木。 13. B 考查修饰词用法。"kinds"是可数名词，要用many修饰。 14. C 考查动词辨析。我们应该保护地球给后代。 15. C 考查名词辨析。"blue planet"指的是地球。 二、词汇运用答案解析 16. protect 考查动词拼写。根据句意"我们应该保护环境免受污染"。 17. waste 考查动词拼写。根据句意"刷牙时不要浪费水"。 18. recycle 考查动词拼写。回收纸张和塑料可以节约资源。 19. air 考查名词拼写。大城市有太多的空气污染。 20. cloth 考查名词拼写。购物时应该使用布袋。 21. to protect 考查不定式作宾语。"try one's best to do sth"是固定搭配。 22. to save 考查不定式作主语补足语。"It's important to do sth"结构。 23. carelessly 考查副词修饰动词。"throw"是动词，需要用副词修饰。 24. riding 考查动名词作介词宾语。"by"后面接动名词。 25. ways 考查名词复数。"many"后面接可数名词复数。 26. replace 考查动词用法。"replace A with B"意为"用B替换A"。 27. clean 考查动词不定式。"help do sth"或"help to do sth"都可以。 28. protect 考查动词用法。"need to do sth"结构。 29. waste 考查动词用法。"don't do sth"结构。 30. environment 考查名词用法。对环境有好处。 三、句型转换答案解析 31. Should; save 一般疑问句需要把情态动词should提前。 32. shouldn't 原句是祈使句的否定形式，改为陈述句的否定形式。 33. as well as "as well as"表示"也，还"，连接两个并列成分。 34. What 对"the earth"提问，需要用what。 35. shouldn't 情态动词的否定形式是在后面加not。 四、阅读理解答案解析 A篇： 36. B 文章第一句提到"blue planet"。 37. C 文章提到"Without water, there would be no life"。 38. C 文章提到"we often leave the tap running"。 39. C 文章提到四种节水方法。 40. B 全文主要讲节约用水的重要性。 B篇： 41. B 文章提到"caused by cars, factories and burning coal"。 42. C 文章提到"from factories, farms and households"。 43. B 文章用first, second, third, fourth列举了四种方法。 44. B 文章提到"should use cloth bags instead of plastic bags"。 45. B 全文主要讲减少污染的方法。 C篇： 46. B 文章提到"the earth's temperature is rising"。 47. B 文章提到"because of too much carbon dioxide"。 48. B 文章提到"which causes sea levels to rise"。 49. C 文章提到"plant more trees because trees can absorb carbon dioxide"。 50. B 文章提到"should use renewable energy sources"。 五、书面表达参考范文 Dear Peter, I'm glad to tell you about environmental protection in China. China has made great progress in protecting the environment. Many cities have become cleaner and greener. In our daily life, we can do many small things to protect the environment. For example, we can save water and electricity, use public transportation, recycle waste, and use cloth bags instead of plastic bags. Everyone can make a difference. Let's work together to protect our beautiful blue planet! Best wishes, Li Hua 评分标准： · 内容完整：10分 · 语言准确：10分 · 表达流畅：5分 · 词数适当：5分 学科网（北京）股份有限公司 $