高中英语必修二第四单元重点

高中英语必修二第四单元要点、难点UnitFourWildlifeprotection1、

Asaresulttheseendangeredanimalsmayevendieout.

结果,这些濒危的动物将会灭绝。dieout

用法概括：（1）（火）熄灭（2）绝种

Thefirediedoutintheheavyrain.大雨中火灭了。About50speciesdieouteverydayintheworld.世界上每日大概有

50中物种灭绝。联想扩展：（1）dieaway消失；停息；静下来（多指声音）Thenoiseoftheplanediedawayinthedistance.飞机的声音在远处消失了。（2）diedown停息；静下来Thenoisycitydiesdownatnight.喧闹的城市夜晚就静下来了。（3）diefor/dietodosth.急迫想做某事Iamdyingtobuyanewcar.我很想买一辆新车。4）diefrom因为而死；因此死Manypeoplediefromaccidentseveryday.每日有很多人死于事故。（5）dieof因（患）而死Hisfatherdiedofcancerthreeyearsago.他父亲三年前死于癌症。（6）dieoff一个个逝世PeoplewithAidswilldieoff.得艾滋病的人会一个个逝世。即时活用：Mostoftheoldcustomsherehave______already.A.diedawayB.diedoutC.dieddownD.diedoff答案：B2、Daisyhadalwayslongedtohelpendangeredspeciesofwildlife.黛西向来希望能帮助濒临灭绝的野生动物。这里long为不及物动词，表示“期望”，后跟动词不定式。Theoldmanisstilllongingtogotocollege.那个老人还期望上大学。Doyoulongtobuyanewcar?你想买辆新车吗？联想扩展：longforsth.急迫希望获取HowIlongforyourcommentsonmynewdress!我多么希望获取你对我新衣服的谈论！联想扩展：（1）longadj.长；长远的；长时间的Itwillnottakelongbeforewemeetagain.我们不多久就会再会面的。（2）longadv.长远；长远Housesbuiltwithmudwillnotlastlong.用泥造的房屋不可以长远使用。3、Daisyrespondedimmediately.黛西马上回答。respondvi.回答；响应Iwavedtohimbuthedidn’trespond我对他挥.手，但他没反响。Unlesswelistencarefully,wecan’knowthowtorespond.除非我们仔细听，不然我们就不知道怎么回答。联想扩展：respondto回答；响应；作出反响Sometimesmystudentsdon’trespondtomyquestions有时.我的学生不回答我的问题。Companiesshouldrespondtothecustomersdemandsatanytime.任何时候企业都应当对顾客的要求作出反响。4、AtthatDaisycried.听到那些话黛西哭了。atprep.关于；因为Atthenewsthetwogirlsburstintotears.听到那个信息两个女孩哭了。Wearehappyathisreturningtowork.他又回来工作我们很快乐。联想扩展：at还可表示（1）在地址;在场合Pleasewaitformeattheschoolgate.在学校大门口等我。Didyouspeakatthemeeting?你在会上讲话了吗？（2）在时间Itstartedtosnowatmid-nightlastnight.昨晚子夜开始下雪。Iwasamiddleschoolstudentatthattime.那个时候我还是此中学生。（3）表示动作的方向Don’tthrowanythingattheanimals.别向动物扔东西。Whatareyoulaughingat?

你们在笑什么？（4）在某方面

ZhouZhouiscleveratconducting.

舟舟在指挥方面很聪慧。Theboyisratherslowatlanguage.那个孩子学语言很慢。5）表示价钱、速度、数目等Thecarisrunningatalowspeed.那辆车在慢速运转。Theybuyvegetablesfromthefarmersatalowpriceandsellthematahighpriceincities.他们从农民那里廉价收买蔬菜而后在城里高价销售。联想扩展：atadistance在必定距离ataloss手足无措atatime一次atanyrate不论如何atfirst最初atfirstsight乍一看atlarge逃出法网atleast最少at(the)most之多atonce马上atpresent当前atthesametime同时attimes有时atwork上班5、Daisyturnedaroundandfoundthatshewasbeingwatchedbyanelephant.黛西转过身发现一头大象正看着她。turnaround转身Thelittleboyturnedaroundandrantohismother.小男孩转过身向妈妈跑去。联想扩展：turnabout向后转turnagainst背叛turndown拒绝；把声音关小turnin上交turnoff关上；走开turnon翻开turnout结果是；本来是turnover移交；翻转turnto查阅；转向；向某人求助turnup出现；开高声音即时活用：1、WhenyouhavetroubleinlearningEnglish,youcan________yourEnglishteacherforhelp.A.turnupB.turntoC.turndownD.turnon2、Wewantedtogethomebeforedark,butitdidn

’tquite_____asA.mplannedkeout.B.turnoutC.goonD.comeup3、Ican'thearclearly.Please____theradio____alittle.

A.tum;on

B.tum;off

C.tum;down

D.tum;up4、Thirtypeoplewereexpected,butonlytwenty-four____.A.turnedinB.turnedupC.turnedtoD.turnup5、–Istheradiobotheringyou?---Itcertainlyis.I’dlikeit_______offA..turningB.toturnC.turned6、Toasksomeoneforhelpistoturn________him.A.toB.forC.onD.by7、Torejectanofferistoturnit_________.A.outB.overC.backD.down.答案：BBDDCAD6、Daisyturnedaroundandfoundthatshewasbeingwatchedbyanelephant.黛西转过身发现一头大象正看着她。findvt.发现用法概括：1）+名词Haveyoufoundthetruthofthematter?你发现事情的真想了吗？2）+从句Lookingathiswatch,hefoundthatitwasalreadyten.看一下腕表，他发现已经十点了。Theteacherfoundthatsomestudentshadhishomeworkdonebyothers.老师发现有些学生让他人做作业。3）find+O+OCA.find+O+形容词Doyoufinditeasytodointhisway?你发现没有，用这类方法做就很简单。B.find+O+

此刻分词

Walkingoutside,Ifoundhimsmokingintheyard.

走出去，我发现他在院子抽烟。C.find+O+过去分词Teacher,Ifoundthewindowbroken.老师，我发现窗子破了。D.find+O+名词Thestudentsfindhimagoodteacher.学生们发现他是个好老师。E.find+O+副词Wewenttoseehim,butfoundhimout.我们去看他，但发现他没在。F.find+O+tobeWeallfindhimtobeagoodstudent.我们都发现他是个勤学生。G.find+O+介词短语IfoundhimingoodhealthlasttimeIsawhim.上一次遇到他我发现他身体很好。即时活用：1、Hesaidthatwewouldfindthemap______inhelpingustovisitthecityofXi’an.A.ofgreatvalueB.greatvalueC.greatlyvalueD.greatvaluable2、______theclassroom,theteacherfoundthestudents______,sohewasveryangry.A.Stepinto;talkingB.Steppinginto;talkingC.Entering;talkedD.Enter;talked3、MrsWhitefoundherhusbandsurroundedbylettersandpapersand_______veyworried.A.tolookB.lookedC.looksD.looking4、WhenIcameback,Ifoundthedoor_______.A.lockB.lockingC.tolockDlocked5、Fivebooksontheshelfarefound_____.A.tearB.tearingC.toreD.torn答案：ABDDD7、Farmershunteduswithoutmercy.农民们毫无同情的猎杀我们。mercyn.用法概括：1）同情；同情Thefarmershowedmercytothefrozensnake.农民同情冻僵的蛇。2）值得感谢的事Wemustbethankfulforsmallmercies.滴水之恩当涌泉相报。Whatamercyheescapedtheearthquake!他逃过了地震，这是多么值得感谢的事。联想扩展：

atthemercyof

任由摆布

Thesmallboatisatthemercyofbigwaves.

小船任由大浪摆布。havemercyon

=throwmercyto

同情；同情

Weshouldnotshowmercytoenemy.

我们不该当同情仇人。throwonsomeone

’smercy恳求的宽怒

Thesuspectthrewhimselfonthevictims

嫌疑’犯mercy恳求受.害人的宽怒。8、Theyallowedtouriststohuntonlyacertainnumberofanimalsiftheypaidthefarmers.假如旅客们给农民付钱，政府就同意他们猎杀必定数目的动物。certainadj.

用法概括：（1）必定；有掌握

Iamnotcertainhowoldheis.

我不必定他多大。

Heiscertaintocomethisafternoon.

下午他必定会来。特别提示：

certain

表示“必定；有掌握”时，一般用作表语，后边跟

of

惹起的短语、不定式或从句。（2）某个；某种；某些Acertainpersoncalledupyouthismorning,butyouwerenotin.

有个人清晨给你打电话，但你不在。Theyonlyexplainedtheproblemtoacertaindegree.他们只把那个问题解说到必定程度。特别提示：certain表示“某个；某种”时，前面要加不定冠词a；表示“某些”时，前面不加冠词。“acertain+名词”表示“一个不认识的，或许叫不有名字的，或许记不大清楚的人或物其余，some+可数名词单数也表示“某个；某种”。

”。（3）某种程度上

Therewasacertaincoldnessin

hisattitudetowards

me.

他对我的态度有那么一些冷淡。即时活用：1、Iknownothingabouthimexceptthatheworksin____company.

A.certainB.someC.one

D.an2、Iknow______typeofmachineisneededbutIhavenoideawhichtype.A.certainB.twoC.someD.答案：BC9、butI’dliketohelpastheWWFsuggests我.要像世界野生生物基金会建议的那样来供给帮助。

ansuggestvt.建议用法概括：1）跟名词Everyonecansuggestoneortwobooks.每个人能够建议一两本书。2）跟动名词Isuggesthavingameetingtodiscusstheproblem.我建议开会谈论这个问题。Mymothersuggestedmystayingathometorelaxmyself.妈妈建议我呆在家里放松一下。特别提示：suggestdoing一般表示主语也参加。3）随从句ThedoctorsuggestedthatIshouldhaveaholiday.医生建议我休假。OurEnglishteachersuggestedwereadEnglisheveryday.英语老师建议我们每日读英语。特别提示：（1）suggest后随从句时，从句谓语要用should加动词原形，should可省略。（2）suggest表示“示意，表示”时，从句谓语不用虚假语气。Hispalefacesuggestsheisill.他苍白的脸说明他病了。3）一坚持：insist二命令：order,command三建议：advise,suggest,propose四要求：ask,demand,require,request后跟宾语从句时，宾语从句的谓语要用should+动词原形，should能够省略。即时活用：1、TheassistantsuggestedMary____theblueskirt.A.buyingB.boughtC.tobuyD.couldbuy2、OurteachersuggestedWangLin____toAmericaforfurtherstudy.A.shouldsendB.wouldbesentC.sendingD.besent3、Leavesflyingintheair,it_____theoldgooddaysIspentinthemountainvillage.A.suggestsB.suggestmeC.thinksD.thinksof4、Oneoftheordersthatwereceivedwasthatwe______thereontime.A.getB.gottoC.arrivedD.wouldget5、Itissuggestedthattheplay______,whichisaboutthecivilwar,untilnextSunday.A.beputonB.tobeputoffC.putoffD.beputoff案：ADAAD10、Itcontainsapowerfuldrugwhichaffectsmosquitoes.

它里面含有能影响蚊子的功能强盛的药物。

答affectvt

用法概括：1）影响Theamountofrainaffectsthegrowthofcrops.雨量影响庄稼的长势。2）惹起感情颠簸Musicaffectssomepeoplestrongly.音乐对有些人的感情影响很大。Thenewsdidn’taffectusatall那.个信息对我们没有一点影响。11、YoushouldpaymoreattentiontotherainforestwhereIliveandappreciatehowtheanimalslivetogether.你们应当更为注意我们生活的热带雨林，享受动物们一同生活的美景。appreciatevt.&vi.

用法概括：（1）赏识

Dotheyappreciateyourskill?

他们赏识你的技术吗？ItisbecauseIcan

’tappreciatemusicthatIwillnotgototheconcert因为我.不会赏识音乐我就不去音乐会了。（2）感谢

Iheartedlyappreciateyourhelping.

我从内心感谢你的帮助。Thestrangerappreciatedmykindness.那个陌生人感谢我的和蔼。（3）理解；意会Whocanappreciatemyfeelings?谁能意会我的感情？NowIhaveappreciatedhowmuchIowetomyparents.

此刻我才理解我欠父亲母亲多少。即时活用：1、—Ireallyappreciatetoholidaywithyouonthisniceisland.—It’smypleasure.A.havetimeB.havingtimeC.tohavetimeD.tohavingtime2、–ShallImailthisletterforyou?---Yes.I’llappreciate_________.A.thatyoudoB.thisC.youtodoitD.it答案：BD12、Norainforest,noanimals,nodrugs.没有热带雨林，就没有动物，也就没有药物。No+n.，no+n.没有，就没有。Nopains,nogains.不劳无获。Nowater,noman.没有水，就没有人类。13、Whatshouldbedonetopunishpeoplewhodoharmtotheanimals?对那些损害动物的人该怎么处罚？doharmtosb./sth.=dosb./sthharm对有害Smokingwilldoharmtoyourhealth.抽烟对身体有害。Itwillnotdoyouanyharmtostudyhard.努力学习对你们没有任何害处。联想扩展：dosb./sth.good=dogoodtosb./sth.对某人/某物有利处/有好处dosb.wrong=dowrongtosb.冤枉某人；对某人做了坏事dosb.afavor=doafavortosb.帮某人忙Iwillneverforgetthewrongyouhavedonetome.我永久不会忘掉你对我做的坏事。特别提示：只有favor前加a，其余词前都不加冠词。即时活用：1、Thedoctorsaysafewdays'restinaquietplacewill____youalotofgood.A.makeB.doC.giveD.get2、–Whyishestoppingthecar?---Hesaysitwill____togetoutandstretchourlegs.A.dousgoodB.bebetterofusC.douswellD.befineofus答案：BA14、Thenpickoutfourmoresentencesusingthepresentprogressivepassivevoicefromthepassage.而后从文章中再优选出四个用正在进行时态被动式的句子。pickout

用法概括：（1）选好；选