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Unit 7 The natural world知识点听写练习
Welcome to the unit
1．lie→____________(过去式) →____________(现在分词)
2．different→____________(名词) 3.leaf→____________(复数)
1．half of________________ 2.coral reefs________________
3．be home to________________ 4.polar bear________________
1．It's very dry in deserts because there's ________________．
沙漠非常干燥，因为几乎不下雨。
2．The climate in deserts is ________________________ only ________________ animals and plants can live there.
沙漠里的气候如此恶劣，以至于只有少数动物和植物能在那里生存。
Reading
1．include—____________(介词)
2．act—____________(名词，行动)—____________(名词，男演员)—____________(名词，女演员)
3．produce—____________(名词，产品) 4.pollute—____________(名词)
1．________________清除；摆脱 2.________________(在做某事中)起作用
3．________________保持平衡 4.________________在地球上
5．________________阻止某人/某事(做某事) 6.________________由……组成/构成
7．________________降低，减弱 8.________________采取行动
1．Ecosystems can ________________________ sizes, ________ small ponds ________ large grasslands.
生态系统可以有不同的大小，从小池塘到大草原。
2．It ____________________________ salt water, and the water____________________ the sky, ____________________ the lands and then ________________ the ocean.
它拥有大量的盐水，海水上升到天空，落在陆地上，然后返回海洋。
3．________________， the ocean can ________________ 25%～30% of carbon dioxide and ________ heat.
更重要的是，海洋可以吸收25%～30%的二氧化碳并储存热量。
Grammar
1．sand—________________(形容词) 2.noise—________________(形容词)
1．________________相当多，不少 2.________________ (动物)以……为食
1．The ocean ________ a home ________animals all year round.
海洋终年为动物提供家园。
2．Their flowers and fruit can ________ animals ________ energy.
它们的花和果实可以给动物提供能量。
Word power～Further study
1．lead—________________(过去式)
2．create—________________(形容词) →________________(名词)
3．balance—________________(形容词) 4.environment—________________(形容词)
5．day—________________(形容词) 6.lucky—________________(副词)
1．________________ 建立 2.________________ 听说(关于……的情况)
3．________________ 一群；一组…… 4.________________ 对……担忧
5．________________ 注意……；关注…… 6.________________ 在白天
7．________________ 导致 8.________________ 制定法律
9．________________ ……的数量 10.________________ 确保，保证
11．________________ 阻止某人/某物(做某事) 12.________________ 清理
1．The ocean water is becoming dirtier __________________ different human activities, and this ________ corals to die slowly.
由于不同的人类活动，海水变得越来越脏，这导致珊瑚慢慢死亡。
2．________ the wetlands ________________ pollution.保持湿地不受污染。
3．We can ________ people ________________ forests too.我们也可以鼓励人们保护森林。
4．It is ________ to join an ________________ and ________________ a volunteer.
加入环保组织，做志愿者是很有意义的。
参考答案
Welcome to the unit
重点单词 1. coral　2. reef　3. penguin　4. ecosystem
5. rainfall　6. climate
词形变换 1. lay; lying　2. difference　3. leaves
重点短语 1. ……的一半　2. 珊瑚礁
3. 是……的所在地/栖息地　4. 北极熊
重点句型 1. little rainfall　2. so awful that; a few
Reading
重点单词 1. wetland　2. include　3. non living　4. pond
5. around　6. hold　7. return　8. prevent　9. store
10. sponge　11. act　12. kidney　13. carbon dioxide
14. trap　15. therefore　16. lung　17. sadly　18. ton
19. harm
词形变换　1. including　2. action; actor; actress
3. product　4. pollution
重点短语 1. get rid of　2. play a role (in doing sth.)
3. keep the balance　4. on earth
5. prevent sb./sth.(from doing sth.)　6. be made up of
7. slow down　8. take action
重点句型 1. be of different; from; to
2. holds plenty of; rises to; falls onto; returns to
3. What's more; take in; store
Grammar
重点单词 1. wildlife　2. topic　3. sandy　4. noisy
词形变换 1. sandy　2. noisy
重点短语 1. quite a few　2. feed on
重点句型 1. provides; for　2. provide; with
Word power～Further study
重点单词 1. system　2. cause　3. damage　4. north east
5. cover　6. rare　7. red crowned crane　8. daytime
9. lead　10. mud　11. create　12. balanced　13. project
14. knowledge　15. wastewater　16. environment friendly
17. sir　18. madam　19. kill　20. solve
21. environmental
词形变换 1. led　2. creative; creation　3. balanced
4. environmental　5. daily　6. luckily
重点短语 1. set up　2. hear about　3. a group of…
4. be worried about　5. pay attention to…　6. in the daytime
7. lead to　8. make laws　9. the number of…
10. make sure　11. stop sb./sth.(from doing sth.)
12. clean up
重点句型 1. because of; causes　2. Keep; free from
3. encourage; to protect
4. meaningful; environmental group; work as

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