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Ⅰ.重点单词1．n.印象；感想；印记→vt.(使)留下印象→adj.令人印象深刻的2．adj.时常发生的；连续不断的→adv.不断地3．adj.在前的；早先的→adv.以前；早先4．adj.不确切的；无把握的→(反义词)确定的；有把握的impressionimpressimpressiveconstantconstantlypreviouspreviouslyuncertaincertain5．n.环境；周围的事物→adj.周围的→vt.包围，环绕6．n.调整；调节→vt.调整；调节7．adj.乐观(主义)的→n.乐观；乐观主义8．n.瞬间；片刻adj.立即的；立刻的→adv.立即；马上9．vt.回收利用；再利用→n.回收利用；回收的物品→adj.可循环的surroundingssurroundingsurroundadjustmentadjustoptimisticoptimisminstantinstantlyrecyclerecyclingrecyclable10．n.代表；典型人物adj.有代表性的；典型的→v.代表11．n.定居；解决→v.定居；解决→n.移居者；拓荒者representativerepresentsettlementsettlesettlerⅡ.重点短语1.fromeveryaspect从各个方面animportantaspect一个重要方面everyaspect各个方面2.leavean...impressiononsb.给某人留下……的印象have/getagood/badimpressionof...获得好/不好的印象impresssb.withsth.某事情给某人留下深刻印象impresssth.onsb.使某人意识到重要性或严肃性3.takeup拿起；接受；开始从事；继续；占据时间、空间等takein收留某人；吸收；领会；理解；欺骗；包括takeoff飞机等起飞；脱下；成功；成名takeon呈现；雇用；承担takeover接管takeout取出；切除；摘除4.toleratesb.doingsth.容忍/忍受某人做某事betolerantof容忍……5.forlackof由于缺少……alackof缺乏；不足……nolackof充足的belackingin……不足；……不够；缺少……6.bebackonone'sfeet困境后恢复；完全复原standonone'sownfeet独立自主；自食其力struggletoone'efeet挣扎着站起来get/risetoone'sfeet站起来jumptoone'sfeet跳起来；一跃而起7.catchsightof望见；看到in/withinsight在视线内；看得见outofsight看不见；在视野之外atthesightof一看见……就losesightof看不见……atfirstsight乍一看comeintosight进入视野8.speedup加速ataspeedof...以……的速度atlow/high/full/topspeed以低/高/全/最高速pickupspeed加速9.inaninstant＝immediately立刻theinstantthat＝assoonas一……就……foraninstant片刻；一瞬间10.begreedyfor渴望得到……Itis/wasgreedyofsb.todosth.某人做某事真是贪婪Ⅲ.重点句式1．Theairseemedthin,itscombinationofgaseshadlittleoxygenleft.空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。2．,_Islidintobedandfellfastasleep.我感到累极了，溜上床很快就睡着了。asthoughExhausted3．wepersuadefamiliesnottolosesightoftheadvantagesthatcomefromaperiodoftimeinspace.那就是为什么我们要劝说家人不要忽视在太空工作一段时间所带来的好处。4．Well,nowthere'sasystemthewasteisdisposedofusingtheprinciplesofecology.可现在我们有一种装置，能利用生态学原理来处理掉废弃物。ThatiswhywhereⅣ.重点语法1．________(absorb)inpainting,Johndidn'tnoticeeveningapproaching.答案：Absorbed答案2．________(see)inthislight,thematterisnotasseriousaspeoplegenerallysuppose.答案：Seen答案