沪外教版·英语七年级上册《Unit 7 Global warming》练习题

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本单元考点（5 个）

环境与气候相关词汇描述天气和气候变化的表达原因和结果的表达方式谈论全球变暖的成因与影响提出环保建议的短文写作

本单元练习题（27 题）

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1. 下列句子中，最适合用来描述“全球气候正在逐渐变暖”这一长期变化的是（　　） A. It is cloudy today. B. The Earth's temperature is getting higher and higher year by year. C. There was a heavy rain last night. D. Look! The wind is blowing hard now.

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2. 某地年平均气温在2000年为16°C，2020年为18°C。用 rise 的适当形式填空：The average temperature ___ by 2°C from 2000 to 2020.

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3. Which sentence best describes a long-term climate change rather than today's weather? A. It is raining heavily outside right now. B. The temperature will drop to 10°C tonight. C. Winters in this city have become warmer over the past fifty years. D. There are a lot of clouds in the sky this morning.

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4. 用 because、so、As a result 填空，每词限用一次：The school bus used less fuel ___ it carried more students on each trip. More students walked or cycled to school, ___ fewer cars were on the road. Fewer cars produced less carbon dioxide. ___, the school helped slow global warming.

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5. 用 because、so、because of 完成句子（每词限用一次），并注意句子结构：1) Global warming is getting worse ___ people produce too much CO₂. 2) The ice is melting quickly, ___ sea levels keep rising. 3) Many animals lost their homes ___ the rising temperatures.

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6. Read the clue: “The air becomes warmer over time because gases trap heat in the atmosphere.” Which term matches the clue? A. global warming B. air pollution C. water shortage D. forest fire

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7. 根据中文提示补全单词：The ____（气候）is changing, and summers are getting ____（更热的）.

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8. At noon, the temperature was 22°C. In the evening, it was 16°C. Use “cool” to complete the sentence: In the evening, it was ___ than at noon.

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9. 根据句意，从 because、so、as a result 中选词填空，每个词限用一次：People left the lights on all night, ___ the town used more electricity. The power station burned more coal. ___, more carbon dioxide entered the air.

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10. 根据中文释义补全单词，写出与环境和气候有关的词汇：① p________（环境受到有害物质影响的状况） ② d________（长时间少雨或无雨的干旱） ③ f________（大量水淹没陆地的洪水）

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11. 根据全球变暖的成因与影响，补全单词：Burning coal is a c____ of global warming.（原因）

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12. Which word means a long time with little or no rain? A. a flood B. a storm C. a drought D. snow

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13. Fill in the blanks with the correct words to complete the cause-and-effect sentences. Use each word only once: because, so. (1) Global warming is getting worse ___ people burn too much coal and oil. (2) The ice at the poles is melting, ___ many polar bears are losing their homes.

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14. There is a lot of snow today. It is ___.

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15. Choose the correct word to complete the sentence: The factory burned coal every day. ___ it burned coal, it released more carbon dioxide into the air. (because / so / as a result)

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16. 补全单词：Some ice may m___ because of global warming.（融化）

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17. 周一某地气温为19°C，周五为13°C。哪句话准确描述这几天的天气变化？ A. It became 6°C warmer. B. It became 6°C colder. C. It stayed the same. D. It became 32°C colder.

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18. 根据首字母提示补全句子：It is w___ today than yesterday. The temperature went up from 10°C to 15°C, so we don't need to wear heavy coats now.

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19. 根据首字母和中文提示补全单词。1. The Earth's t________（温度）is rising year by year. 2. Heavy rain and strong winds are extreme w________（天气）. 3. G________（全球的）warming makes the ice melt.

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20. 高温导致冰融化。选择正确使用 so 表达这一因果关系的句子。 A. It was very hot, so the ice melted. B. It was very hot, because the ice melted. C. The ice melted, so it was very hot. D. Because it was very hot, so the ice melted.

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21. 根据首字母和中文提示补全单词，使其符合句意。 1. Cars p____ too much CO₂, which causes global warming.（污染） 2. The weather is getting warmer because of g____ warming.（全球的） 3. The hot weather in summer is a r____ of global warming.（结果）

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22. 清晨气温是 17°C，天气预报说午后气温将上升 5°C。哪句话准确描述午后的天气？A. It will be 5°C warmer than in the morning. B. It will be 5°C colder than in the morning. C. It will be 17°C warmer than in the morning. D. It will be as cold as in the morning.

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23. 从 because、so、As a result 中选词填空，每词限用一次。A town cleared a patch of forest ___ it wanted to build a new road. Fewer trees remained, ___ less carbon dioxide was taken in. ___, the amount of carbon dioxide in the air increased.

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24. 补全单词：As the sea level rises, a coastal town may face a f____.（洪水）

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25. Choose the correct words for the three clues in order: (1) a long time with little or no rain; (2) water covering land that is usually dry; (3) strong winds and heavy rain. A. drought, flood, storm B. flood, drought, storm C. drought, storm, flood D. storm, flood, drought

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26. 学校计划利用阳光和风发电。这些能源能自然补充，不会很快耗尽。它们属于哪一类能源？A. renewable energy B. fossil fuels C. greenhouse gases D. global warming

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27. 根据中文释义补全单词：① c________（气候） ② p________（污染）

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沪外教版·英语其他单元练习题

Unit 1 Personal finance（18题）Unit 1 Learning to learn（9题）Unit 1 School life（27题）Unit 1 The Land and the People（27题）Unit 1 Learning to be（27题）Unit 1 Animal protection（18题）Unit 2 Dream jobs（9题）Unit 2 Movies and plays（9题）Unit 2 Volunteering（27题）Unit 2 Science and Discoveries（18题）Unit 2 Wonders of nature（18题）Unit 2 Making friends（27题）

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