高中英語必修二Unit4知識點

1、Unit4Wildlifeprotection【短語歸納】：out滅亡；逐漸消失peace和平地；和睦地；安祥地dangerof在危險中；垂危relief如釋重負；松了口氣intolaughter忽然笑起來；大聲笑了出來.from保護不受危害attentionto注意intobeing形成；產(chǎn)生to根據(jù)；根據(jù)所說that以致于；結(jié)果【知識點總結(jié)】：numbersmaydecrease.decreasevi.&vt.減少；使變小或變少decreaseto減少至decreaseby減少了.By1881,thepopulationofIrelandhaddecreasedtomillion.

2、Studentnumbershavedecreasedby500.拓展：reduceto/reduceby減少到一/減少了一increaseto/increaseby增力至U/增加了一2.Asaresulttheseendangeredanimalsmayevendieout.dieout滅絕、滅亡Howdidthedinosaurdieoutdieof死于一通常指疾病、技老等內(nèi)因.Hergrandfatherdiedofcancer.diefrom死于一通常指交通事故等外因.Manyvillagersfromsnakebites.dieaway聲音、風(fēng)、光線等普而息,漸弱.Thesoundo

3、fthecardiedawayinthedistance.diedown慢慢熄滅,平靜下來.Thefireisdyingdown.dieoff相繼死去.Thedeerintheforestarealldyingofffromdisease.拓展：bedyingfor很想要；渴望bedyingtodosth.極想干某事.Sheisdyingtoseeyou.aretheyindangerofdisappearingindanger在危險中,垂危.Wewerewarnedthatwewereindanger.indangerof有的危險4.Farmershunteduswithoutmercyn.

4、仁慈；寬??；憐憫ask/begformercy請求寬恕showmercyto/havemercyonoutofdanger脫離危險mercy.憐憫/同情/可憐殘忍地；毫不留情地withmercy仁慈地withoutmercyatthemercyof任由擺布Itisamercythat.真是萬幸.Shebeggedthepresidenttohavemercyonherhusband.Thepoorcatisatthemercyofthenaughtyboy.allowedtouriststohuntonlyacertainnumberofanimalsiftheypaidthefarmers.

5、certainadj.確定的；一定的；某一(1)becertainof/aboutsth.:對有把握(=besureof/aboutsth.)becertaintodosth.:一定會做一toacertainextent:一定程度上forcertain=forsure無疑地；確定地makecertain(that.)弄清楚；弄明白Itiscertainthat：肯定,一定會.(不能說Itissurethat).Wearecertaintohaveagoodtimeatthepartytonight.Itiscertainthatsomethingiswrongwiththemachine

6、9;tect.from.保護不受(危害)protect.against保護以防(強調(diào)較大的事情,如敵人的入侵、天災(zāi)等)keep+賓語+fromdoingstop+賓語+(from)doingprevent+賓語+(from)doing阻止做某事注意：被動語態(tài)里from均不可省去,而在主動語態(tài)中,與stop/prevent搭配的from可以省略.containsapowerfuldrugwhichaffectsmosquitoes.containvt.包含；容納；克制(強烈的感情等)；抑制containoneself克制自己c

7、ontainern.容器；集裝箱；貨柜易混辨異contain,include,including,included1)contain意為“包含；容納；里面裝有,側(cè)重“整體內(nèi)有,在某一范圍或容器內(nèi)能容納某物.其賓語與主語常是同位關(guān)系,不用于進行時態(tài).止匕外,contain還有“限制,克制之意.2)include意為“包含；計入；包括,只能用于表示所包含之物中的一局部,其后的賓語往往是主語的一局部.3)including可以作介詞連接介詞短語,放在所包括的東西之前.4)included是過去分詞性質(zhì)的形容詞,放在所包括的東西之后.Shewastooangrytocontainherself.The

8、hallcancontain/hold/admit3,000people.Manypeopleliketennis,includingme/meincluded.vt.影響；感動；(疾病)侵襲1)begreatly/deeplyaffectedby被深深打動beaffectedbyheat/cold中暑/著涼beaffectedwithhighfever發(fā)高燒2)affectionn.喜愛；感情3)effectn.作用；影響takeeffect生效haveaneffecton對產(chǎn)生影響.Thediseaseisbeginningtoaffecthereyesight.shouldpaymore

9、attentiontotherainforestwhereIliveandappreciatehowtheanimalslivetogether.attentionn.注意力；注意,留心pay/giveattentionto注意attract/catch/draw/getone'sattention吸引某人的注意力fix/focusone'sattentionon集中注意力于devoteone'sattentionto專心于turnone'sattentionto將注意力轉(zhuǎn)向.Theteachertoldthestudenttopayattentiontohis

10、spelling.vt.欣賞；感謝；意識到appreciate+n./pron./v-ing欣賞/感謝Iwouldappreciateitif.假設(shè)我將不勝感謝appreciationn.欣賞；感謝.IwillappreciateitifyoucangivemesomeadviceaboutTOEFLtest.提醒當(dāng)appreciate,hate,dislike,dependon等詞后接賓語從句時,一般先加it,再接賓語從句.mustbedoneifwildlifeprotectionistosucceedsucceedvi.成功；繼承vt.接替；繼任1)succeed(in)doingsth

11、.成功succeedtosth.繼承2)successn.U成功,成就；C成功的人或事物successfuladj.成功的successfullyadv.成功地.Ifweteamupwitheachother,wewillsucceedinovercomingthedifficulties.Hehadtosucceedtothebusinesswhenhisfatherpassedaway.12. Cantheybeemployedtoworkintheparkandnothurttheanimalsemployvt.雇用；利用時間、精力等(1)employsb.as.雇用某人任employs

12、b.todosth.雇用某人做某事beemployedin(doing)sth.忙于某事,從事于某事(2)employern.雇主employeen.雇員,受雇者employmentn.職業(yè),工作,使用.Hehasbeenemployedinwritinganewbookthesedays.livedontheearthtensofmillionsofyearsago,eintobeing形成；產(chǎn)生comeintoexistence開始存在；形成,產(chǎn)生com

13、eintofashion開始流行,風(fēng)行comeintoeffect生效comeintosight/view看得見comeintooffice就職comeintopower當(dāng)權(quán)；執(zhí)政comeintouse/service開始被使用.WhendidtheclubfirstcomeintobeingThenewtaxregulationscameintoeffectlastmonth.livedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeing.longbefore意為“很久以前,常用于過去時或過去完成時的句子中作時間狀語

14、,before后邊可以跟從句.IhadheardofhimlongbeforeIcamehere.Theysaidtheyhadknowneachotherlongbefore.拓展：(1)beforelong相當(dāng)于soon或alittlelater,意為“不久；不久以后,常與將來時、過去時態(tài)連用,在句中作狀語,不可以直接加從句.Ihopeyou'llbeabletocometoChinaagainbeforelong.(2)Itis/wasnotlongbefore+從句不久就Itwillbelongbefore+從旬要過很久才Itwillnotbelongbefore+從旬過不了多久就.Itwon'tbelongbeforehegoesabroad.三、重點語法現(xiàn)在進行時的被動語態(tài)當(dāng)強調(diào)動作正在進行或現(xiàn)階段正在進行,并且主語與謂語動詞之間是動賓關(guān)系(被動關(guān)系),我們需要使用現(xiàn)在進行時的被動語態(tài).現(xiàn)在進行時被動語態(tài)構(gòu)成為：am/is/arebeingdone練習(xí)：1.ThemostdeliciouscakeintheworldbyMum.Pleasewaitanhourtoenjoyit.A.makesB.ismadeC.isgoingtomakeD.isbeingmade2. Idon'tkno