中小学教育资源及组卷应用平台 Unit 8 Green Earth 教材知识梳理 一、单元重点词组总结 1.垃圾分类 garbage sorting 2.干涸dry up 3.直到…才 not ...until 4. 同时at the same time 5.共享单车 shared bike 6. 全球变暖 global warming 7. 发生take place 8. ...的数量 the number of_ 9. ...的结果 the result of..... 10.扔掉throw away 11.被制成be made into.... 12.采取行动 take action 13.代替，而不是instead of... 14.号召某人做某事 call on sb. to do 15.充分利用 make the best use of... 16.节约用手 save water 17.尽可能多地as many as possible 18.涉足，卷入 get involved 19.采取措施做...take steps to do... 20.值得 be worthy of.... 21.确保 make sure 22.目的在于 aim to do.... 二、单元重点句型总结 讨论绿色环保： What are they for For garbage sorting. But I don't know how to do that. Can you give me more examples about recyclable waste I want to know what will happen to the waste. After recycling, the waste can be made into other materials. Why should we do this We can put them to good use instead of throwing them away. This is the world I received from my parents. It was not until now that I realized the importance of protecting the environment. It's time we took actions for our next generations. 三、重要知识点总结 1.effect n.影响；印象 affect v.影响 effective adj.有效的 take effect 意为“生效” 2. the number of....“……的数量”,后接复数名词,谓语动词用单数形式； a number of....“许多,大量”,后接复数名词,,谓语动词用复数形式。 be of good quality质量好的 be of +名词= be+形容词 4. involve v.使参加，包含 involvement是名词,意为“参与”。 involve (doing )sth意为“包含（做）某事” get/be involved in sth.意为“参与……/卷人……/涉及”。 5.protect sb./sth.from sth.意为“保护某人/某物免受……” protect sb./sth.from doing sth.意为“保护某人不受……” realize 意为“意识到……”, 后常接that/what 从句 realize the importance of.....“意识到.....的重要性” realize 意为“实现”。 realize/ achieve one's dreams =one's dreams come true, 意为“实现某人的梦想”。 effort作名词时,意为“努力，精力” take effort to do sth“花费精力做某事” make efforts to do sth“努力做某事” spare no effort to do sth“不遗余力做某事” be made into 意为“被制成....” make....into...意为“把....制成...” be made of意为“由……制成 (能看出原料)”； be made from 意为“由…制成(看不出原料)”。 be made up of意为“由……构成” 9.“as+形容词/副词原级+as possible”= “as....as sb. can/could do.....”意为“尽可能……” 10.not.. until…的基本结构为：“not+主句+until +从句” “It is/was not until.+表时间的词/从句/介词短语+ that从句”是强调句型,意为“直到……才”。 It's time+(that)从句（从句用一般过去时）, 意为“到了该……的时候了”。 It's time (for sb.) to do sth.意为“做某事的时候到了” It's time for sth.意为“到了……的时候了” I don't know how to do that. 句中how to do that 是“疑问词十不定式”结构,作动词 know 的宾语。 “疑问词十不定式”结构 在句中可以做主语，宾语，表语等。 What ....for “....是做什么的？” 介词+doing before/after+doing while/when +doing..... get +过去分词 get involved 卷入，涉及 get hurt 受伤 mean+doing “意 ... ...
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