Unit4Astronomy:thescienceofthestarsⅠ.核心單詞1.______(n.)系統(tǒng);體系;制度2.______(n.)學(xué)說(shuō);理論3.______(adj.)猛烈的;激烈的;強(qiáng)暴的→_______(n.)暴力4.______(prep.)與……不同;不像5.________(adj.)有害的→_____(n.&vt.)傷害6.____(vi.)存在→________(n.)存在systemtheoryviolentunlikeviolenceharmfulharmexistexistence7.______(n.)謎;難題(vt.&vi.)(使)困惑;(使)為難→_______(adj.)困惑的→________(adj.)使人困惑的8.______(adj.)溫和的;文雅的→______(adv.)輕輕地;溫柔地9._____(vi.&vt.)碰撞;墜落10.____(n.&vt.)拉(力);拖;牽引力puzzlepuzzledpuzzlinggentlegentlycrashpull【過(guò)關(guān)小練】用所給詞的正確形式填空。1.Operating_______(system)canbeattackedbyanewcomputervirus.2．Overtheyearsseveralsimilar_______(theory)havebeenputforward.3．Weexpressedourviewswithsome_______(violent).4．Itis_______(like)thatshewillcomebecausesheisverybusy.5．Airpollutionwillgetworseandthiswillbe________(harm)topeople.systemstheoriesviolenceunlikelyharmful6．Nooneknowshowthisworldcameinto________(exist).7.Alicereadtheletterwitha_______(puzzle)expressiononherface.8.Theboatwasrocking______(gentle)toandfrointhewater.9.Herbodywasfoundneara_______(crash)car.10.Thecartwas______(pull)bytwostronghorses.existencepuzzledgentlycrashedpulledⅡ.重點(diǎn)短語(yǔ)1.______ 及時(shí);終于【聯(lián)想】_______ 準(zhǔn)時(shí)_______ 有時(shí)2._______ 下蛋3.___________ 產(chǎn)生;分娩4.___________ 輪到某人intimeontimeattimeslayeggsgivebirthtoinone’sturn5._______..._____ 阻止;制止【聯(lián)想】_________..._____ 阻止6.________ 遮住;擋住(光線)【聯(lián)想】________ 封鎖;堵住________ 塞住;封住preventfromstop/keepfromblockoutblockoffblockup7.________ 感到高興;感到振奮【聯(lián)想】________ 為……鼓氣;加油______ 干杯8.________ 既然cheerupcheeroncheersnowthat9._________ 突發(fā);爆發(fā)【聯(lián)想】___________ 出故障;壞掉;失敗;垮掉__________ 闖入;突然……起來(lái)10.____________ 密切注意;當(dāng)心;提防【聯(lián)想】__________ 照顧;監(jiān)督breakoutbreakdownbreakintowatchoutforwatchover【過(guò)關(guān)小練】完成句子。1.Hewouldsortouthisownproblems______.他會(huì)及時(shí)解決自己的問(wèn)題。2.ThewarmweatherinHawaiipermitsthem_________allyearround.夏威夷氣候溫暖,它們一年到頭都能產(chǎn)卵。3.Hiswife____________twingirls.他妻子生了一對(duì)雙胞胎女孩。intimetolayeggsgavebirthto4._________,Itoldthemajoke.輪到我的時(shí)候,我給他們講了一個(gè)笑話。5.Hisaction_____________________spreading.他的行動(dòng)制止了火勢(shì)的蔓延。6.Heloweredthecurtain__________thesunlight.他拉下窗簾,擋住陽(yáng)光。7._________.I’llbuyyousomethingfromthestore.打起精神來(lái)。我會(huì)從商店里買東西給你。InmyturnpreventedthefirefromtoblockoutCheerup8.________shewasretired,shelivedwithhersister.既然她已經(jīng)退休了,她和姐姐一起住。9.Mostofthepeoplehadleftbefore________________.大部分人在火災(zāi)發(fā)生前就已經(jīng)離開了。10.Thestaff________________________thesebills.要求職員留意這些賬單。NowthatthefirebrokeoutwereaskedtowatchoutforⅢ.?？季涫?.Whatit_____________wasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.隨后它會(huì)變成什么沒人能知道,直到45-38億年前,這團(tuán)塵埃才慢慢地形成了一個(gè)固體的球狀物。2.Others,_________________,wereabletoliveonlandaswellasinthewater.另一些,被稱作兩棲動(dòng)物,既能生活在水中,也能生活在陸地上。wastobecomecalledamphibians3.So________lifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.所以,在未來(lái)的數(shù)百萬(wàn)年中,生命能否在地球上延續(xù)將取決于這個(gè)問(wèn)題能否得到解決。4.ButwhenItriedtostepforward,IfoundIwascarried____________ontheearthandfellover.而當(dāng)我試著向前邁步的時(shí)候,我發(fā)覺我被送出去很遠(yuǎn),步子的跨度竟是地球上的兩倍,因而我摔倒了。whethertwiceasfaras5.“Oh,dear,”Icried,“walkingdoesneedabitofpractice________gravityhaschanged.”“天哪,”我大聲說(shuō),“重力改變了,看來(lái)走路也的確需要練一練了?！眓owthat【過(guò)關(guān)小練】仿寫句子。1.You__________________beforefivethisafternoon.你們必須在今天下午五點(diǎn)以前完成這項(xiàng)任務(wù)。2.Thebridge_______________needsrepairing.

上個(gè)月建造的那座橋需要修理。3.________thenewsistrueremainsaquestion.這個(gè)消息是否真實(shí)仍然是個(gè)問(wèn)題。aretofinishtheworkbuiltlastmonthWhether4.We’veproduced____________________________tenyearsago.今年我們生產(chǎn)的棉花比十年前多了一倍。5.Theyarehopingforareturntonormality________thewarisover.既然戰(zhàn)爭(zhēng)結(jié)束了,他們希望一切都恢復(fù)常態(tài)。twiceasmuchcottonthisyearasnowthatⅣ.語(yǔ)法高頻考點(diǎn)1.主語(yǔ)從句的定義。2.主語(yǔ)從句的連接詞：

(1)連詞；

(2)連接代詞；

(3)連接副詞。3.主語(yǔ)從句的主謂一致。4.主語(yǔ)從句與形式主語(yǔ)it?！具^(guò)關(guān)小練】用正確的連接詞填空。1._____youwillwinthemedalseemsunlikely.2._____hedidn’tattendthemeetingyesterdaywasn’tquiteclear.3.______teamwillwinthematchisstillunknown.4.________comestothepartywillreceiveapresent.5.________Maryhasleftisstillaquestion.6.It’sreported____threepeoplewerekilledintheaccidentandfivewerehurtbadly.ThatWhyWhichWhoeverWhetherthat7._____hesolvedtheproblemsuccessfully