2023學(xué)年完整公開課版Unit4Languagepoints重點(diǎn)句型

Unit4AstronomythescienceofthestarsLanguagePoints

經(jīng)典句式1.makeit+adj/n.+forsbtodo【課本原句】Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.這就形成一個(gè)連鎖反應(yīng)，使生命發(fā)展成為可能。【用法解析】此句中的it作形式賓語，真正的賓語是其后的不定式todevelop,it做形式賓語還可以代替動(dòng)名詞或從句。e.g.(1)Hemadeitclearthatthemeetingwouldbeputoff.(2)Hemadeitaruletogetupatsixeverymorning.用法歸納(1)make+it+adj./n.+that從句(2)make+it+adj./n.+todosth(3)make+it+nogood/nouse/novalue+doingsth注意事項(xiàng)：常用語這種句型的動(dòng)詞還有：think,consider,find,feel等(1)Shemadeitcleartome________shewishedtomakeanewlifeforherself.(2)Hemakesitarule__________(keep)hisroomneatandtidy.(3)Heisstubborn,whichmakesitnouse__________(quarrel)withhimaboutit.即學(xué)即練thattokeepquarreling2.

Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.隨后它會(huì)變成什么沒人能知道，直到38-45億年前，這團(tuán)塵埃才慢慢地形成一個(gè)固體的球狀物。

分析：what引導(dǎo)一個(gè)，并且what在從句中作become的。(1)（使大家吃驚的是）isthathedidn’tcometothemeeting.(2)_______________（他所做的）addedtoourdifficulty.主語從句表語WhatmadeeveryonesurprisedWhathehaddone3.

Itwasnotimmediatelyobviousthat

waterwastobefundamentaltothedevelopmentoflife.分析：it作

，真正的主語是

仿寫（1）令人驚訝的是恐龍的消失仍然是個(gè)迷。

（2）難以置信地是他居然理解了這個(gè)理論。

Itisunbelievable/incredible

thathehasunderstoodthistheory.Itissurprising/amazing

thatthedisappearanceofdinosaurs/howthedinosaurdisappearedremainsamystery/puzzle.形式主語waterwastobefundamentaltothedevelopmentoflife.4.倍數(shù)表達(dá)法【課本原句】ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.而當(dāng)我試著向前邁步時(shí)，我發(fā)覺我被送出很遠(yuǎn)，步子的跨度竟是在地球上的兩倍，因而我摔倒了。e.g.亞洲是歐洲的四倍大(比歐洲大三倍)。Asiais

fourtimesaslargeasEurope.＝AsiaisthreetimeslargerthanEurope.＝Thesizeof

Asiais

fourtimesthatofEurope.＝Asiais

fourtimesthesizeofEurope.【用法歸納】倍數(shù)的表達(dá)方法：(1)“A＋倍數(shù)＋as＋形容詞或副詞的原級(jí)（+n.）＋as＋B”，表示“A是B的多少倍”。(2)“A＋倍數(shù)＋形容詞或副詞的比較級(jí)＋than＋B”，表示“A比B大(長、高、寬等)多少倍”。(3)“A＋倍數(shù)＋thesize/height/length/width,etc.＋of＋B”，表示“A是B的多少倍”。(1)Thereare_________________________inourlibraryasinyours.我們圖書館的書是你們圖書館里書的五倍。(2)據(jù)我所知，這個(gè)城市是那個(gè)城市的三倍大。（一句多譯）①AsfarasIknow,thecityisthreetimes_____________________thatone.②AsfarasIknow,thecityistwice_____________________thatone.③AsfarasIknow,thecityisthreetimes_____________________thatone.即學(xué)即練fivetimesasmanybooksaslargeaslargerthanthesizeofI.根據(jù)提示，完成句子。(1)Eatingtoomuchsugaris_________(harm)toourteeth.(2)Theshiprocked_________(violent)fromsidetoside,causingmanypassengerstofeelseasick.(3)Scientistswanttoknowwhetherlife______(exist)onotherplanets.(4)Wouldyoupleasetellmehowtop___________thiskindofthing____________happening?(5)Hecookedthemeal________________(輪到他)thisweek.(6)___________(不像)hisbrother,he________(不喜歡)playingfootball.訓(xùn)練案Exercise(7)Willyoucomebackhome_____________(及時(shí)）toseethechildrenbeforetheygotobed?(8)Manymothers-to-be(準(zhǔn)媽媽）willg_______________babiesthisyear.(9)AsfarasIamconcerned,therearefour___________(fundament)factorsforsuccess.(10)Whathesaidwasquite________________________________________(與他做的不一樣).II.選詞填空1.MrBrownhadintendedtocatchtheearlytrain,buthedidn'tgetup_____________.2.Dorememberto_______________carswhilecrossingthestreet.3.Atlast,thefirefightersputoutthefireinthesupermarket,which____________attenthismorning.4.Whentheprofessorturnedup,allthestudents___________________.5.ClassThreeshouldberesponsibleforraisingtheredflagthisweek_______________.6.______________youhavegrownup,youshouldnotrelyonyourparents.訓(xùn)練案Exercisecheerup,nowthat,breakout,intime,inone'sturn,watchoutforIII.完成句子(一空一詞)1.Afire__________________intheneighborhoodlastnight.昨晚居民區(qū)里發(fā)生了火災(zāi)。2.Nomatterwhereheis,hemakes______arule____________forawalkbeforebreakfast.無論他在哪里，他都讓早飯前散步成為了習(xí)慣。3.Thehallis_______________________thanourclassroom.這個(gè)大廳比我們教室大五倍。訓(xùn)練案ExerciseII.完成句子(一空一詞)4.Hisarrival____________ourplans________________carriedout.他的到來阻止了我們計(jì)劃的實(shí)施。5.Itwassuchafrighteningsnakethatnoonedared__________________