Unit 13 讲解 练习 人教版英语九年级全一册

13/13学员编号年级九年级课时数3课时学员姓名辅导科目英语学科教师授课主题九年级全一册Unit13Wearetryingtosavetheearth.教学目的知识目标：通过本次课，学习cost/spend/take/pay，takepartin/join/joinin/attendturn词组afford，beharmfulto，takeaction，throwaway，putsth.togoodus，pull…downupsidedown，bringback技能目标：提高做题的正确率情感目标：降低畏难情绪重、难点cost/spend/take/pay，takepartin/join/joinin/attend，turn词组afford，beharmfulto，takeaction，throwaway授课时间教学内容一．温故知新Dictation：二．课程导入新知讲解重点单词:1.litterv.乱扔n.垃圾2.bottomn.底部3.coaln.煤4.uglyadj.丑陋的5.costv.花费n.花费6.woodenadj.木制的(woodn.木材)7.plasticadj.塑料的n.塑料8.methodn.方法9.crueladj.残酷的10.harmfuladj.有害的(harmn.害处)11.industryn.工业12.lawn.法律13.affordv.承担得起14.recyclev.回收利用15.gaten.大门16.bottlen.瓶子17.presidentn.负责人18.workn.作品19.metaln.金属重点短语:1.makeadifference起作用；有影响2.takepartin参加3.turnoff关掉4.payfor付费；付出代价5.cutdown减少6.leadto导致7.hearof听说8.cutoff切除9.throwaway扔掉10.putsth.togooduse好好利用11.pull…down拆下12.upsidedown上下颠倒13.bringback恢复14.takeaction采取行动重点句型:1.We’retryingtosavetheearth.我们在努力拯救地球。2.Theriveusedtobesoclean.这河流过去是如此的清澈。3.Theairisbadlypolluted.空气被严重污染。4.Themethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不仅残酷，而且对环境也有害。5.Andthegateinfrontofherhouseismadeofrocksandoldglassbottles.她房子的前门是由岩石和旧玻璃瓶子制成的。6.Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbacktolifewithalittlecreativity.不仅艺术品能给人们带来快乐，而且冰冷坚硬的钢铁在艺术创作下也恢复了生命。【重点讲练】1.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.为了减少空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。cutdown意为“减少”；是“动词+副词”结构的短语，所带的宾语为名词时，宾语可位于down的前面或后面；为代词时，只能位于down前面。You’dbettercutthearticledowntoabout2,000words.你最好能把这篇文章压到两千字左右。【拓展】cutdown还可表示“砍倒”的意思。Theycutdownthebigtree.他们砍倒了这棵大树。cutoff切断；切除cutinto把……切成……cutup切碎cutin插队【小试牛刀】单项选择—DidyoutellittoJack?—Yes,butwewere____inthemiddleofourtelephoneconversation.cutdown B.cutoff C.cutup D.cutinto2.It’sgoodforhealthanditdoesn’tcostanything!它对身体有好处并且不会花费任何东西。辨析：spend,cost,take,pay花费主语表示的内容spend人宾语可以是钱、精力、时间等。cost物或事后接life,money,health,time等，侧重于“花费”的代价。take事或人它说明事情完成“花费了……”。pay人意思是“支付”，作为及物动词，宾语可以是“人”、“钱”【小试牛刀】单项选择1.—Doyoutakeexerciseeveryday?—Yes.Ialways_______thirtyminutesaftersupper.A.spend B.cost C.take D.pay2.I_________$300forthebike.A.took B.spent C.cost D.paid3.Themethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不仅残酷，而且对环境也有害。harmful形容词，意为“有害的”。常构成短语beharmfulto“对……有害的”。Stayingupoftenisharmfultoyourhealth.经常熬夜对你的健康有害。【拓展】harm名词，意为“害处”。常用构成短语doharmto“对……有害”，相当于beharmfulto.Toomuchsmokingdoesharmtohishealth.=Toomuchsmokingisharmfultohishealth.吸烟过多对他的健康有害。【小试牛刀】改为同义句。Readinginthesundoesharmtooureyes.Readinginthesun____________________oureyes.4.Haveyouevertakenpartinanenvironmentalproject?你曾经参加过环境保护活动吗？辨析：join,joinin和takepartinjoin加入组织，团体，党派等，有作为其中的一个成员的含义。后面也可以加表示人的名词，表示和某人一起参加某活动。joinin加入一种具体活动。takepartin指参加会议或群众性活动等，着重说明句子主语参加该项活动并在活动中发挥作用。Will

you

join

us

in

the

discussion?

你参加我们的讨论吗？

She

joined

the

Young

Pioneers.

她加入了少先队。

Why

didn't

you

join

in

the

talk

last

night?

昨晚你为什么没参加座谈？Didyoutakepartinthesportsmeet?你参加运动会了吗？【小试牛刀】单项选择。1.—Haveyou_____aclub?—Yes,I’minaswimmingclubandIoften_____theswimmingtraining. A.joined;takepartin B.joined;join C.takenpartin;join D.takenpartin;joinin2.—We’regoingforapicnic.Wouldyouliketo____us?—Whynot?Let’sgo!attend B.joinC.joinin D.takepartin5.Wecan’taffordtowaitanylongertotakeaction!我们不能再等了，要采取行动了。=1\*GB2⑴afford是动词，意为“买得起,担负得起”，通常与can,

could,

be

able

to连用,多用于否定句中。They

couldn’t

afford

$50

for

a

ticket.

他们拿不出50美元买一张票。=2\*GB2⑵afford后面常跟带to的动词不定式。We

can’t

afford

to

go

abroad

this

summer.今年夏天我们没有足够的钱出国。【小试牛刀】MissTaylorneverwastesmoneyonanythingtooexpensive,eventhoughshecan_____to.Shehasdonatedmuchofthemoneyshesavedtocharities.afford B.allow C.remind D.pay6.Andthegateinfrontofherhouseismadeofrocksandoldglassbottles.她房子的前门是由岩石和旧玻璃瓶子制成的。【辨析】bemade+介词bemadeof“某物由……制造而成”（从制成品中可以看出原材料）be

made

from“某物由……制造而成”（从制成品中一般看不出或难以分辨出原材料）。be

made

in“某物由某地制造”be

made

by“某物由某个人或集体制造而成”，其中介词by用来强调动作的执行者。

be

made

into某种原料制成某物be

made

up

of某物由……组成或构成【小试牛刀】单项选择。Booksaremade_____paperandpaperismade_____wood.from,of B.of,from C.in,from D.from,in7.Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbacktolifewithalittlecreativity.不仅艺术品能给人们带来快乐，而且冰冷坚硬的钢铁在艺术创作下也恢复了生命。“notonly…butalso…”是一个并列连词词组，其意思基本等于“both…and…”。使用notonly…butalso…时须注意的几点：=1\*GB2⑴notonly与butalso后面所连接的词的词性必须对等：Theycompletedtheprojectnotonlypunctuallybutalsoperfectly.他们不仅准时完成工程，而且完成得很出色。=2\*GB2⑵notonly只能连用，而butalso既可连用，也可分开用：Televisionisnotonlyboring,butitalsowastesalotoftime.电视不仅乏味，而且还浪费许多时间。=3\*GB2⑶谓语动词的数应与butalso后主语的数保持一致：NotonlyyoubutalsoMr.Zhangteachesinthis

college.不仅你，张老师也在此学院教书。=4\*GB2⑷notonly放在句首，后接句子时要用倒装结构：Notonlyhadthepoormanbeenfined,butalsohehadbeensenttoprison.这个可怜的人不仅被罚款，而且还被送进了监狱。【小试牛刀】单项选择。1.Thisismytwinsister,Lucy.NotonlyshebutalsoI___goodatdrawing.A.is B.am C.are D.was8.Whichpartsneedtobeimproved?哪些部分需要被改善？辨析：needtobedone;needdoing与needtodo=1\*GB2⑴needdoing=needtobedone需要被…现在分词doing表被动“需要被做”，相当于needtobedone。Mywatchneedsrepairing.=Mywatchneedstoberepaired.我的表需要修了。=2\*GB2⑵need后加不定式，证明need为实义动词，而非情态动词，这时need有人称和数的变化。Heneedstogetupearly.他需要早起。【小试牛刀】单项选择。Somethingiswrongwithmycar.Itneeds_____.repair B.torepair C.repairing D.toberepair9.Whatorwhoiscausingtheseproblems?什么或谁将会导致这些问题？cause用作动词，当“引起，造成，使得”讲。一般指引起或造成不好的结果。causesb.sth.=causesth.tosb.(后接间接宾语+直接宾语)为固定用法。

Hecausedhisparentsmuchtrouble.=Hecausedmuchtroubletohisparents.他给父母带来很多烦恼。【小试牛刀】改为同义句。Itcausedhimlotsofworries.==Itcausedlotsofworries____him.当堂检测单项选择（15分）()1.Thewateris_____.Wemustbecarefulof______.A.pollute,polluteB.polluted,polluted C.polluted,pollutionD.polluting,pollution()2.Isthefilminteresting?Ithoughtitwouldbe.But______,it’sveryboring.A.inall B.infact C.intotalD.infuture()3.Theheavysnowdidn’t______theinternationalairlines.A.payattentionto B.addto C.makeadifferencetoD.lookforwardto()4.______downairpollution,weshouldridebikesorwalkinsteadofdrivingforashortdistance.A.Cut B.Tocut C.Cutting D.Beingcut()5.Please______thewaterwhenyoubrushyourteeth.A.takedown B.turnup C.takeawayD.turnoff()6.Ithinkeveryoneinourcountryshouldplayapartin______theenvironment.A.protect B.protected C.protectingD.toprotect()7.ThoughJackwaspoorandsick,henever______anychancetohelpthepeopleinneed.A.gaveup B.agreedto C.lookedforD.thoughtof()8.Ican’tsay______ImissmyparentsbecauseIhaven’tseenthemforayear.A.howoften B.howsoon C.howmuchD.howlong()9.Janesoldherhousetocurehermother’sillness,eventhoughitwas__herownwishes.It’ssokind______her.A.against,of B.above,of C.on,forD.for,for()10.Howdoyouliketheshortplay?Funny,______themusicofitisnotsogood.A.so B.though C.orD.because()11.Stopmakingsomuchnoise.Itis_____tothesleepingchildren.A.comfortable B.relaxed C.harmful D.useful()12.WearegladtohearthattheGreens_____toanewflatnextweek.A.move B.moved C.willmove D.havemoved()13.Don’tthrowawaythewastepaper.Itneeds_____sothatitcanbereused.A.todestroy B.destroying C.tocollect D.collecting()14.Ifthereis_____pollution,theairinourcitywillbe_____dirtier.A.less,more B.more,much C.less,less D.more,more()15.Manypeoplearewondering_____intheforest.It’sreportedthataburningcigarettebarcausedit.A.whenthefirehappened B.howwasthefirecausedC.whatcausedthefire D.whydidthefirehappen()16.Amyisn’ttheonlyonewhoisgoodat________________.A.recycle B.recycled C.recycling D.recycles()17.What__________thenumberofthestudentsinyourschool?About2thousand.Anumberofthem_________fromthecountryside.A.is;are B.is;is C.are;is D.are;are()18.Doyouoften__________thingsyoudon’tneedanymore?A.throwintoB.throwat C.throwup D.throwaway()19.Thewindowsanddoorscomefromoldbuildingsaroundhertownthatwere________.A.turneddown B.cutdown C.pulleddown D.gottendown()20.Sheopenedasmallshop____________sheshesellsherbagsnow.A.that B.where C.which D.ofwhich()21.TheGreensusedtolivehere,butnowthey______________.A.don’tliveheremore B.don’tlivehereanylongerC.livesherenolonger D.livesherenomore()22.Jackisknownfor_________theoldbikesand_________somepoorpeople.A.collecting;help B.collecting;helping C.collect;help D.collect;helping()23.Attheparty,SusanRicewasoneofthevolunteerswho_______praisedbythepresident.A.is B.are C.was D.were()24.Nowadays,manyyoungpeoplewouldliketo_______anewcompanytodothebusinessofgreenenergy.A.setup B.seton C.setout D.setabout()25.Wemustdosomethingusefulto____pollution. A.cutoff B.cutup C.cutdown D.cutin()26.—Look!_____boysareplayingontheplayground.—Yes._____themisabout200. A.Thenumberof;Anumberof B.Thenumberof;Thenumberof C.Anumberof;thenumberof D.Anumberof;Anumberof()27.—Yourcoatlooksnice.—It’smade____cotton.Anditwasmade____Shanghai.A.in;byB.from;byC.by;inD.of;in()28.—____he____IhavebeentoBeijing.—Really?Whendidyoudothere? A.Notonly;butalso B.Neither;nor C.Either;or D.Too;to()29.—He’sneverstolenanythingbefore,_____he?—______.It’shissecondtimetobetakentothepolicestation.A.hasn’t;Yes B.has;Yes C.has;No D.is;No()30.—Atpresent,oneofthebestwaystostudyisworkingingroups.—Morechances_______tostudentstolearnfromeachother.A.offer B.areofferedC.haveoffered D.areoffering五．课堂总结六．家庭作业asge4I’saus-eatfritinSohestsi.Pepeterecalit“igofFri”.Maylveitsouchtatteyeatitateeryeal.“ha’si?”ouayode.Itisteura(榴).hedrancanolygrwintehtpacs.Itsnae“ura”cesfrmteMaayord“dr”.Iteans“hr()”.heuranisteostfaousfrutinSohestsi.Itlksbganddaerusandhasavrysrngsel.hereareanyiffretkdsofdran.hyceiniffretsze.Adrancangrwupto3cmln,anduulyitcanbeashevyas1tok.hegratsttngaottedranisnie.henouoenitp,aveysrngsellcoeso.Soepelelvehssel,bttersd’tlet!InSiapre,peleca’tbrgadranitoaoelromroosepae,eier.ltuhtedranhasasrngsel,tefrittatsqtegd.Ittatssftadsee.Soeaialslvginteforstlkei!12题完成句子；3题简略回答问题；4题找出并写下全文的题句5题文中线句译成语。1.uranisaus-eatfrutin.2.heaefuran teMaayorddr”.3.hatca’tpeledonSnapre?4.5.【主旨大意】本文是一篇说明文。主要介绍了东南亚地