高中英语必修三第二单元教案.docx

高中英语必修三第二单元教案.docx

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高中英语必修三第二单元教案

（3,2）

重点词汇

1.n.天平，平衡；余额，余数v.平衡；权衡balancedadj.均衡的

[典例]

1）.Manypeoplehavecometorealizethattheyshouldgoonabalanceddiet.

2）.Imustcheckmybankbalance.

3）.Trytobalanceyourdietbyeatingmorefruitandlessprotein.

[重点用法]beoutofbalance失去平衡

[练习]用balance短语填空或翻译。

1）.He__________________andhurthimselfwhenhewentupstairs.

2）.Itisdifficultforyouto___________________onanicypavement.

2.完成句子

It’sveryimportantto____________________（保持大自然平衡）．However，attimesitisdisturbed，resultinginanumberofpossiblyunforeseeneffects.

2.n.好奇心；求知欲curiousadj.好奇的curiouslyadv.好奇地

[典例]

1）.Childrenarenaturallycuriousabouteverythingaroundthem.

2）.Iopenedthepacketjusttosatisfymycuriosity.

①Therearesomepeoplewhoshowgreatcuriosityaboutotherpeople’saffairs.

②Justoutofcuriosity，howmuchdidyoupayforyourcar?

③Itiscuriousthatheshouldnothavefailedtherace.

[重点用法]

outofcuriosity出于好奇withcuriosity=curiously好奇地

becuriousaboutsth.对某事好奇becurioustodosth.好奇地做某事

[练习]用curiousity的短语或其适当形式填空。

1）.Margaretlookedathim______________.

2）.Shedecidedtotryacigarette_____________________.

3）.Alltheemployeesinthisfirm____________________thepersonallifeofthegeneralmanager.

4）.________droveMarytoopenherhusband’sletterthoughsheknewitwaswrong.

（天津卷）Peoplehavealwaysbeen________aboutexactlyhowlifeonearthbegan.

A．curious　B．excitedC．anxious　　　D．careful

3.vt.限制；限定n.界限；限度limitedadj.有限的limitlessadj.无限制的

[典例]

1）.Thespeedlimitonthisroadis70mph.

2）.Thistechniqueisusefulbutithasitslimitations.

3）.Inmyopinion，youhadbettersetalimittotheexpenseofyourtrip.

①Ibelieveteachingshouldnotbelimitedtotheclassroom.

②Theamountofmoneyyouhavetospendwilllimityourchoice.

[短语归纳]limit短语：

limitsb./sth.to...限制某人/某事到某种程度putalimiton...对……限制

thereisalimitto对……是有限的withoutlimit无限地，无限制地

[练习]用limit的短语或其适当形式填空。

1）.One’senergyis______.

2）.________________________（没有止境）whatyoucandoifyoutry.

3）.Wemust_______ourweeklyexpenditure______tenpounds.

4）.Onlya_______numberofplacesareavailable.

4.Inmyopinion，keepingdogsshouldnotbebanned，but________tocertainareas.

A．limited　　　B．limitingC．tolimit　　　D．tobelimited

4.vt.有益于vi.得益于（常与from,by连用）n.利益，好处；津贴

1）.Therainbenefitstheplants.=Theplantsbenefitfromtherain.

2）.Plentyofexerciseeverydayisofgreatbenefittoourhealth.

①Weshouldspendthemoneyonsomethingthatwillbenefiteveryone.

②Freshairandgoodfoodarebeneficialtothehealth.

[重点用法]

beofgreatbenefitto=beverybeneficialto对……有益

forthebenefitof=forsb’sbenefit为了……的利益benefitfrom从……中受益

[练习]用benefit或其短语的适当形式填空。

Thenewhighwaywill________thevillagers.

完成句子

（1）Manythousandsofpatients________________（受益于这种新的治疗）andrecoveredquickly.

（2）Alargesumofmoneyhasbeenraised_______________（为了……的利益）thepoorlyeducatedchildreninthemountainousdistricts.

5.vt.&vi.（使）联合；结合combinationn.联合；结合combinedadj.联合起来的

[典例]

Wecan’talwayscombineworkwithpleasure.

[短语归纳]combine的短语：

combinetogether联合起来combineAwith/andB使A与B联合起来

[练习]用combine的短语或其适当形式填空。

1）A_______offactorsledtoherdecisiontoresign.

2）Successwasachievedbythe_______effortsofthewholeteam.

3）Asawriter,he_______wit_______passion.

6.n．日常饮食；vt.&vi.节食；使实施饮食疗法

①Properdietandexercisearebothimportantforhealth.

②Ireallyoughttogoonadiet.I’veputonsomuchweightsinceIgaveupjogging.

③Thedoctorputhimonadietafteroperation.

④Nosugarinmycoffee，please.I’mdieting.

[短语归纳]

be/goonadiet节食putsb.onadiet控制某人饮食abalanceddiet均衡饮食

练习：

完成句子

—Wouldyoulikesomemorechicken?

—No，thanks.Iam________________（正在节食）andI’mtryingto______________（减肥）．

7.n．[U]力量，体力；n.[C]长处，强项

buildupone’sstrength增强实力

①Eachofushasourownstrengthsandweaknesses.

②Ourfriendshiphassteadilystrengthenedovertheyears.

③Hehasn’tgotenoughstrengthtoliftthebox.

（浙江）PractisingChinesekungfucannotonly________one’sstrength，butalsodevelopone’scharacter.

A．bringup　　　B．takeupC．buildup　　　D．pullup

重点词组

1.削减；删节

①Thedoctoradvisedthepatienttocutdownsmoking.

②Ourmoneyisrunningout.Weshouldcutdownexpenses.

③Itisimpoliteforchildrentocutinwhentheirseniorsaretalking.

④Becauseoftheterribleearthquake，theelectricityofthecityhasbeencutoff.

[重点用法]

cutin插话，让某人分享利润cutup切碎；齐根切掉cutout删除cutoff切断，中止

练习：

1.IwasjusttalkingtomyoldfriendwhenMary________.

A．cutin　　　B．cutdownC．cutout　　　D．cutup

2.Ourteacheradvisedyouto________thearticlethatistoolongsoastomakeitfitthespace.

A．cutaway　　　B．cutthroughC．cutup　　　D．cutdown

2.aux.应当；应该（没有人称和数的变化，后接动词原形）

[典例]

1）.Theyoughttocometomorrow.

2）.Hethoughtthattheyoughttotakepartinthedesign.

3）.Heoughtnottodoit./Heoughtn’ttodoit.

4）.Oughtwetodoitatonce?

[练习]按要求填空或翻译。

1）.Heoughttobehere,__________he?

（反意疑问句）

2）.I’msorry.I____________________（本应该先给你打个电话）totellyou1wascoming．

3）.I______________________（本不该拜访）her,butImissedhersomuch.

3.体重减轻；减肥

[典例]

Sheistryingtoloseweight.

[短语归纳]weight短语及lose短语：

putonweight（指人）增加体重，长胖be/takeaweight/loadoffsb’smind使自己/某人如释重负

lostheart泄气；灰心loseone’sheart（tosb/sth）:

fallinlove爱上，钟情于……

loseone’slife丧生；遇害loseone’sbalance失去平衡

loseone’sbreath气喘嘘嘘；上气不接下气loseone’stemper发脾气

losetouch（withsb/sth）失去和某人/事物的联系loseface丢脸

loseinterestinsth/sb对某事物/人失去兴趣losesightofsb/sth看不见某人/物；忽略或未考虑某事物

[练习]短语适当形式填空或填介词。

1）.He’s__________________sincehegaveupsmoking.

2）.Payingmymortgagewasanenormousweight______（介词）mymind!

3）.I’ve__________________allmyoldfriends.

4.偷携某物潜逃；逃避惩罚

[典例]

1）Theyraidedthebankandgotawaywithalotofmoney.

2）Ifyoucheatintheexamyou'llnevergetawaywithit.

③Ifwecangetoverpresentdifficulties，theneverythingshouldbeallright.

④Theyhavealotincommon，sotheygetalongwellwitheachother.

⑤Icalledalldayyesterday，butIcouldn’tgetthroughtoyou.

[短语归纳]get词组：

getonwellwith相处融洽；（工作的）进展好

getthrough接通电话；办完；完成getup起床；起身

getover克服，熬过，恢复getacross（使）被理解，（把……）讲清楚

getaway（from）（从）……脱离，逃脱……

getridof摆脱；除掉getdownto（doing）sth.开始认真地做某事

getintouchwith与……取得联系

[练习]用get词组填空。

1）.Tomysurprise,thebabywolf__________________thedogsandthenmanagedtosurvive.

2）.Sheneverarrivesontimeattheoffice,butshesomehowmanagedto_______________it.

3）.Well,stopchatting.It’stimewe__________________someseriouswork.

4）.Thenewswasaterribleblowtoher,butshewill____________theshocksoon.

Iusedtoquarrelalotwithmyparents，butnowwe________fine.

A．getover　　　B．stayupC．getawayfrom　　　D．getalong

5.=telllies说谎

[典例]It’snotrighttotellalie.

[短语归纳]tell短语和习语：

telljokes/ajoke讲笑话tell（sb.）astory给某人讲故事

totell（you）thetruth说实话（用以引出自白或承认的话tellAfromB:

distinguishAfromB辨认A和B；youcannevertell谁也不知道

thereisnotelling:

itisimpossibletoknow不可能知道

[练习]用tell词组填空。

1）.________________________,Ifellasleepinthemiddleanddidn’tknowhowthestoryended.

2）.Canyou_____Tom_____histwinbrother?

3）.There’sno______（tell）whatmayhappen.

6.=makeone’s/aliving谋生

[典例]

1）.Theybegantoearntheirlivingwhentheywereveryyoung.

2）.IearnmylivingbyteachingEnglishinthemiddleschoo1.

[练习]根据句子意思及要求填空或翻译。

1）.Hehadto__________________bydeliveringnewspaperinhisyouth.

2）.Heearnedhisliving______（介词）afisherman.

3）.这个小孩从10岁开始就自己谋生。

_______________________________________________________________________________

7.欠债

[典例]

1）.TheyareinheavydebttotheBankofChina.

2）.Yousavedmylife:

Iamforeverinyourdebt.

①Today，manydevelopingcountriesareheavilyindebt.

②BeingoutofdebtmakesTomalightmood.

③Thecoupleworkedharddayandnightinordertopayoffalltheirdebts.

⑤Wewerepoorbutwenevergotintodebt.

[短语归纳]debt短语和“in+n.”表示“在……（情况、状况、状态）中”：

get/runintodebt欠债；负责outofdebt不欠债payoffone’sdebts还清债务indanger在危险中

introuble陷入困境，倒霉inorder井井有条insurprise吃惊inpublic当众，公开

inruins呈废墟状态insight看见insilence沉默着

beinheavydebt负债累累beindebttosb.欠某人债

beinsb.’sdebt感激某人；欠某人的情payoffallthedebts还清债务（动作）

beoutofdebt不欠债（状态）get/runintodebt陷入债务

[练习]根据句子意思用debt短语和“in+n.”结构填空。

1）.He__________________afterhewasoutofwork.

2）.Hedidallhecouldto________________________infiveyears.

3）.Hewas____________whenhewasyoung,buthasbeen__________________sincehegotrich.

4）.Jameswas_____________,butIdon’tknowhowtohelphimout.

5）.Afterthewar,thewholecitywas______________.

完成句子

Thiscountry_________（负债）forayearbecauseofthefinancialcrisis.Nowthingshaveimprovedalittle.

重点句子

1.Nothingcouldbebetter.

（1）形容词的比较级与否定代词nothing连用，表达最高级的含义。

有此用法的常用否定词：

no，not，never，hardly，nothing，nobody等。

（2）表示最高级意义的几种特殊结构：

①never＋比较级

②nothing/no＋so＋原级＋as...nothing/no＋比较级＋than...

③can/could＋never/not＋enough/too

I’veneverheardamorebeautifulvoice.

②NothinginmylifeshookmesodeeplyasthefirstvisittoChina.

③Youcanneverbetoocareful.

④—Didyousleepwelllastnight？

—Neverbetter，likealog.

⑤Nothingismorepreciousthanhealth.

[练习]根据句子意思及要求填空或翻译。

1）.他从来没有看过一部更令人激动的电影了。

_______________________________________________________________________________

2）.没有什么比旅游更令人愉快。

__________________________________________________