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1Period3 知识讲练课学习目标1.Grasptheusageofsuchimportantexpressionsasthanksto,ridof,leadtoandfocuson.2.Masterthefollowingsentencepatterns:(1)In1973,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.(2)Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.(3)Hewouldmuchratherkeeptimeforhishobbies.学习过程➡Step1 Wordsandexpressions1.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.多亏了他的研究,联合国在消除世界饥饿的战斗中又多了些方法。【观察思考】(1)Thankstoyourhelp,weweresuccessful.由于你的帮助,我们成功了。(2)Thankstoyou,Iwassavedfromdrowning.多亏你,我才没被淹死。(3)Thankstothebadweather,thematchhadbeencancelled.由于这倒霉的天气,比赛被取消了。thanksto由于;多亏(有时用作反语);因为表示“因为,由于”的短语还有:becauseof,owingto,onaccountof,dueto,asaresultof等。以上这些都是介词短语,因此后面可以跟名词或动词-ing形式而不可以跟从句。【尝试运用】单项填空(1)Itwas yourtimelyhelpthatweaccomplishedthetaskontime.A.becauseB.thankC.thankstoD.as(2) thenewpolicy,wearenowhavingahappylife.A.ThankstoB.BecauseC.ForD.Thanksfor【观察思考】(1)Youshouldridyourselfofthatbadhabit.你应该改掉那个坏习惯。(2)Itwon’tbelongbeforewecangetridofthepestaltogether.不用太久,我们就能把这种害虫消除干净。ridsb/sthofsb/sthof摆脱;除去be/getridof摆脱【尝试运用】同义句转换Couldyouridyourselfofthebadhabitofsmoking?Couldyou thebadhabitofsmoking?2.Manyofthesechemicalscanleadtocancerorotherillnesses.2很多化学成分能导致癌症或其他疾病。【观察思考】(1)Thecaraccidentledtohisbeingkilled.那次车祸导致他死亡。(2)AllroadsleadtoRome.条条大路通罗马。(3)Eatingtoomuchsugarcanleadtohealthproblems.吃太多糖会导致健康问题。(4)Hiscarelessnessledtohisfailure.他的粗心导致了他的失败。leadto通向;导致;造成(后果)注意:leadto中的to为介词,该短语后可跟名词或动词-ing形式。resultin导致resultfrom由……导致【尝试运用】单项填空Thestudentsintheuniversityarealltakingcourses adegree.A.stickingtoB.leadingtoC.turningtoD.referringto3.Theyfocusonkeepingtheirsoilrichandfreeofdisease.他们主要是想保持土壤肥沃且免受病害。【观察思考】(1)Hefocusedhismindonhislessons.他把心思集中在功课上。(2)Todaywe’regoingtofocusonthequestionofhomelesspeople.今天,我们主要讨论无家可归者的问题。(3)Anear-sightedpersoncannotfocusaccuratelyondistantobjects.近视的人看不清远处的物体。focuson集中(注意力等)于……;对(某事或做某事)予以注意;使聚焦于focusone’sattentiononsth=center/concentrate/fixone’sattentiononsth集中注意力于……【尝试运用】完成句子(1)在我看来,学校应该把精力集中在教学上。Inmyopinion,schoolsshould .(2)他把相机对准了远处的高楼。He hiscamera thehugebuildinginthedistance.➡Step3 Sentencestructureswearegoingtolearn1.In1973,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.1973年,他成为世界上第一位种植高产水稻的农业先锋。【观察思考】(1)Heisthefirsttofinishthehomework.他第一个完成作业。(2)NewZealandisthefirstinmoderntimestoallowwomentovote.新西兰成为现代史上第一个允许妇女有选举权的国家。不定式放在表示次序的词thefirst,thelast以及thebest,theonly,thevery,theright3等词后面,且这些词与动词不定式有逻辑上的主谓关系,结构为:thefirst/last/best/only/very/right...+n.+todosth表示“第一个/最后一个/最好的一个/唯一的/恰好的/合适的……做某事的人/物。【尝试运用】单项填空Heisthelastperson toMary’sbirthdayparty.A.toinviteB.tobeinvitedC.invitedD.beinginvited2.Hewouldmuchratherkeeptimeforhishobbies.他宁愿把时间花在自己的爱好上。【观察思考】(1)I’dratheryoudidn’t.(常用来委婉拒绝别人)我希望你不要。(2)HewouldratherstayathomewatchingTV.他宁愿待在家里看电视。(3)I’drathernotgothere.我宁愿不去那里。(4)I’dratheryoucametomorrowthantoday.我宁愿你明天来而不是今天来。(5)I’dratherhavemadeatelephonecalltohimyesterday.我昨天本想给他打个电话的。wouldrather宁愿,宁可wouldrather...than...是常用句式,意为“宁可(愿)……(而)不要(愿)……”wouldrather+从句时,从句要用虚拟语气,用动词的过去式表示。wouldratherhavedone本想做……(而实际上未做)【尝试运用】单项填空(1)—Shallwegoskatingorstayathome?—Which doyourself?A.doyouratherB.wouldyouratherC.willyouratherD.shouldyourather(2)I’drather thebasketballmatchlastnight.Otherwise,Iwouldhavefinishedmypaperworkbynow.A.nothavewatchedB.notwatchC.hadn’twatchD.haven’twatch参考答案1.(1)C because和as虽然也表示“因为,由于”,但后面需接句子,而句中是短语,故应用thanksto。句意:幸亏你及时帮忙,我们才按时完成了任务。(2)A 考查近义词辨析。thanksto意为“多亏了”;because后应加句子;for表示补充说明的原因。(3)be/getridof2.B 考查动词短语辨析。stickto“坚持”;leadto“导致,引起;通往”;turnto“求助,转向,查阅”;referto“指的是;谈论,查阅”。由句意“大学生都在学习课程,以取得学位”可知,答案为B项。3.(1)focusattentiononteaching (2)focused;on4.B 考查不定式作定语的用法。当名词前面有序数词或last,next等词修饰时,名词后面多用不定式作定语。5.(1)B 考查wouldratherdosth这一结构的用法。而do,will和should都不能与rather搭配。wouldrather(not)dosth意为“宁愿(不愿意)做某事”。(2)A wouldrathernothavedone意为“本不想做……(实际却做了)”。后一句句意为:否则我现在已经完成了我的文件。所以前句表示“本不想看球赛却看了”,故选A项。4
本文标题:2017-2018学年高中英语人教版必修四学案设计:Unit 2 Working the land
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