17届高二理科英语：选修7unit3知识点(317日上课使用)

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1、Unit3知识点1.WitnessEg：Shewitnessedtohavingseentherobberytakeplace・Hewasinatthefinishandwitnessedtheexcitementofthefans.Thepoliceappealedforwitnessestocomeforwardwithinformation.Aterracottaarmybearssilentwitnesstoanemperor'sgreatness.Wewitnessedamissilebeinglaunchedintoouterspace.Undertheleaders

2、hipofPresidentXi,ourcountrywillwitnessanewperiodofdevelopment.'总结：witnesssth.;witnesstosth/doingsth;awitnesstosthgive/bearawitnesstosth注意：witness>see>find多用时间，地点的名词或代词做主语。Eg：Thelastthirtyyearshaveseenthegreatestnumberoflawsstoppingourrightsandprogress,untiltodaywehavereachedastagewherewehavea

3、lmostnorightsatall.2.Annualadj.每年的；一年一次的；n.年刊；每口的；；每周的每月的;每季度的;每年的3・WhenIwassortingoutallsortsofitemskeptinthebasement,IfoundasortofthingIhadn'tseenbefore.Itwassortofsurprisetome.1sortedalltheitemsthere,sortingthemintogroups,andsoonthebasementbecametidy.，总纣i:sortsth/sb/oncsclfout;sortsthintos

4、thAllsortsof;asortof;sortofEg他不是可以依赖的人。4.Accommodationn.住宿；住所预定房间;给某人安排住宿:v.安排住宿Eg：ifyoudon'tbookyouraccommodationinadvance,youmayfindthatallthebestplacesarefullandyouwillhavetotakepotluck・在内战爆发后，我们需要立即做的事是捉供住所给那些逃离家乡的人。Hereyestookawhiletoaccommodatetothedarkness.4.Oppositeadj.相对的；相反的；n.对立opp

5、ositionn.反对：反对派；短语:beoppositeto.…在..的对面;和…相反;dotheopposite做相反的事情；inoppositionto反对Eg：Hesucceededinthefaceofgreatopposition.5.Fleevi.逃离；逃跑；pt.pp.逃出；从…逃跑；逃到；6.Urgevt.催促；极力主张；驱策urgen.强烈的欲望；推动力urgesbtodosth;urgesbintodoingsth;Urgethat…(should)•…；itisurgedthat....shouldhaveanurgetodosth有..做某事的欲望Eg:

6、Itishightimethat(get)downto(do)something,soIurgethateveryoneofyou(get)wellpreparedforthecomingexamination.专家建议年轻夫妇应该每月存点钱以防紧急情况发生。7.Abandonvt.放弃；遗弃；abandonedadj.无约束的；无度的；beabandonedto...沉湎于••Abandondoingsth放弃做某事；abandononeselfto••沉湎于；withabandon放肆地；恣意地Eg：Thosewhoabandonthemselvestodespaircan'

7、tsucceed・Bynomeansshallweabandonsearchingforthemissingplane.8.Helpout帮助°。拜托困境、危难help用法总结：4.Reflectvi.思考；映射；反射reflectionn.反射；反照；词组：reflect...in...映出某人；某物的像；reflectsthfromsth从某物表面反射（光，热，声音）Reflecton/upon思、考某事；belostinreflection陷入深思中Eg：ForeignMi