人教版九年級(jí)英語下冊(cè) （We're trying to save the earth!）SectionA 新課件

SectionAUnit13We'retryingtosavetheearth!

課前自主預(yù)習(xí)單詞闖關(guān)1.漁民；釣魚的人n.________→(復(fù)數(shù))________2.丑陋的；難看的adj.________→(反義詞)漂亮的；美麗的adj.______________3.優(yōu)點(diǎn)；有利條件n.________→(反義詞)缺點(diǎn)；不利條件n._________

fishermanfishermenuglypretty/beautifuladvantagedisadvantageSectionA單詞闖關(guān)4.木制的；木頭的adj.________→(同根詞)木頭；木材n.________5.有害的adj.________→(同根詞)危害；損害n.傷害v.________→(反義詞)無害的；沒有害處的adj.________6.科學(xué)上的；科學(xué)的adj.________→(同根詞)科學(xué)n.________

wooden

woodharmfulharm

harmlessSectionAscientificscience短語互譯1.起作用；有影響_____________2.參加____________3.關(guān)掉____________4.付費(fèi)；付出代價(jià)_________5.充滿____________

makeadifferencetakepartinturnoff

payforSectionAbefullof短語互譯6.打掃，清理____________7.在……中起作用____________8.減少；砍伐____________9.代替；而不是____________10.到目前為止____________

cleanupplayapartin…cutdowninsteadof

SectionAsofar短語互譯11.引導(dǎo)；導(dǎo)致____________12.采取行動(dòng)____________13.atthetopof…______________14.cutoff__________15.beharmfulto…____________16.indanger____________

leadtotakeaction在……頂部或頂端切除SectionA對(duì)……有害處于危險(xiǎn)中句型在線1.我們正在盡力拯救地球！________________tosavetheearth！2.但是它以前很干凈！Butit________________________soclean！

We'retryingusedtobeSectionA句型在線3.還要記得把垃圾扔進(jìn)垃圾桶，保持公共場所的整潔和美麗，(這是)為了每個(gè)人。Andremember________________rubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.4.沒有了鰭，鯊魚就不能再游泳了，然后慢慢死去。Withoutafin,asharkcan________________swimandslowlydies.

tothrowSectionAnolonger句型在線5.如果它們的數(shù)量降至過低，會(huì)給所有海洋生物帶來危險(xiǎn)。Iftheirnumbers________toolow,it________________dangertoalloceanlife.6.到目前為止，沒有科學(xué)研究表明魚翅對(duì)健康有好處，所以為什么吃它們呢？Sofar,noscientificstudies________________thatsharkfinsaregoodforhealth,sowhyeatthem？

dropSectionAwillbringhaveshown課文初探閱讀3a，判斷句子正(T)誤(F)。()1.Thepassageisaboutsavingthesharks.()2.Asharkcannolongerswimandslowlydiesifitdoesn'thaveafin.TTSectionA課文初探()3.Manybelievethatsharkscanneverbeendangered.()4.WildAidandtheWWFaretwoenvironmentalprotectiongroups.()5.Therearesomescientificstudiesthathaveshownthatsharkfinsaregoodforhealth.TTFSectionA課堂互動(dòng)探究詞匯點(diǎn)睛

1cutdown減少；削減[觀察]

Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.哦，為了減少空氣污染，我們應(yīng)該乘坐公共汽車或地鐵，而不是開車。SectionA[探究]

cutdown意為“減少；削減”，此時(shí)通常和pollution,cost,amount等詞搭配。[拓展]

cutdown還有“砍伐；砍倒”之意，此時(shí)通常和tree搭配。Theofficershavetoldusnottocutdownthetrees.那些官員告訴我們不要砍伐這些樹。SectionA活學(xué)活用

1．Inordertoprotecttheenvironment,weshouldn't________anytrees.A．turndownB．putdownC．cutdownD．writedownSectionAC2costv.花費(fèi)n.花費(fèi)；價(jià)錢[觀察]It'sgoodforhealthanditdoesn'tcostanything!它對(duì)健康有好處，而且不花費(fèi)任何東西！John'snewbicyclecosthim$160.約翰的新自行車花了他160美元。SectionA[探究]cost作動(dòng)詞，意為“花費(fèi)”，此時(shí)是及物動(dòng)詞，它的主語通常是________，cost后可以跟雙賓語，即________________，表示“花費(fèi)某人多少錢”。SectionA事或物costsb.somemoney[拓展]

cost還可以作名詞，意為“花費(fèi)；價(jià)錢”，通常作不可數(shù)名詞。Thecostofthecoatwas$21.這件大衣的價(jià)錢是21美元?；顚W(xué)活用

2．(1)單項(xiàng)選擇2018·新疆—Wow,yoursweaterisverybeau-tiful!Howmuchisit?—Thankyou.It________me30dollars.A．spendB．paidC．costD．takeSectionAC(2)根據(jù)句意及漢語提示寫出所缺的單詞JimwantstobuyanewiPhone.Itwill________(花費(fèi))himmorethan5，000yuan.SectionAcost3harmfuladj.有害的[觀察]Thisisnotonlycruel,butalsoharmfultotheenvironment.這不僅殘忍，而且對(duì)環(huán)境有害。SectionA[探究]beharmfulto意為“對(duì)……有害”。[拓展]同根詞：harmv．&n.危害；損害反義詞：harmlessadj.無害的；沒有害處的活學(xué)活用

3．2018·云南Don'tplaygamesonthecomputerallday.It's________toyoureyes.A．harmfulB．usefulC．helpfulD．thankfulSectionAASectionA【解析】本題考查形容詞的詞義理解。harmful意為“有害的”；useful意為“有用的”；helpful意為“有幫助的”；thankful意為“感激的”。根據(jù)題干中的“不要整天在電腦上玩游戲”可推斷，那對(duì)你的眼睛“有害”，故所缺的詞是harmful。4sofar到目前為止[觀察]Ihaven'theardfromhimsofar.到目前為止，我還沒有收到他的來信。SectionA[探究]sofar表示“到目前為止”，是____________(時(shí)態(tài))的標(biāo)志之一。[拓展]同義短語：uptillnow到目前為止現(xiàn)在完成時(shí)活學(xué)活用

4.到目前為止，又有兩名成員加入了這個(gè)社團(tuán)。Anothertwomembers_____________theclub____________.SectionAhavejoinedsofar5takepartin參加[觀察]Theteachertookpartinourdiscussionyesterday.昨天老師參加了我們的討論。SectionASectionA[辨析]

takepartin,join與attend________指參加比賽、運(yùn)動(dòng)或某項(xiàng)活動(dòng)，并在其中發(fā)揮重要作用。________指加入某個(gè)團(tuán)體、組織或人群等。________指參加會(huì)議、上課或出席婚禮等場合。takepartinjoinattendHeisalwaystakinganactivepartinoutdooractivities.他總是積極參加戶外活動(dòng)。Wouldyouliketojoinus?你想加入我們嗎？Hedidn'tattendthemeeting.他沒有參加會(huì)議。SectionA活學(xué)活用

5．Miketoldusthathewould________thesportsmeetingthenextweek.A.joinB.attendC.takepartinD.takecareofSectionAC6turnoff關(guān)掉[觀察]Youcansaveelectricitybyturningoffthelightswhenyouleavearoom.你可以通過離開房間時(shí)關(guān)燈的方式來節(jié)約用電。SectionA[探究]_________表示“關(guān)掉”，通常和電視、電燈等電器類詞匯搭配，反義詞組是_________，意為“打開”。turnoffturnonSectionA[拓展]turn的常見搭配：活學(xué)活用

6．(1)翻譯句子我媽媽離開家的時(shí)候忘記關(guān)燈了。_________________________________________________________(2)單項(xiàng)選擇2018·重慶BPlease________theTV.It'stimetogotobed.A．turnonB．turnoffC．putonD．putoffSectionAMymother/momforgottoturnoffthelightswhenshelefthome.B句型透視1Withoutafin,asharkcannolongerswimandslowlydies.沒有了鰭，鯊魚就不能再游泳了，然后慢慢死去。[探究]________意為“不再”，相當(dāng)于not…________。該句的同義表達(dá)：Withoutafin,asharkcan'tswimanylongerandslowlydies.如：Whenathinghasbeenused,itisnolongernew.當(dāng)一件東西被用過后，就不再是新的了。SectionAanylongernolonger活學(xué)活用

1．Iwillnolongerbelieveyou.(改為同義句)Iwon'tbelieveyou________________.SectionAanylonger2Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.如果它們的數(shù)量降至過低，會(huì)給所有海洋生物帶來危險(xiǎn)。SectionA[探究]本句是含有________狀語從句的復(fù)合句，________(主句/從句)是“theirnumbersdroptoolow”，________(主句/從句)是“itwillbringdangertoalloceanlife”。if是連詞，意為“如果；假如”。當(dāng)主句是一般將來時(shí)時(shí)，從句要用____________表示將來。如：Ifitdoesn'traintomorrow,wewillgofishing.如果明天不下雨，我們就去釣魚。SectionA條件從句主句一般現(xiàn)在時(shí)活學(xué)活用

2．2018·江西—Canstu-dentsgoonlineduringlessons?—Theycan________itisforthatlesson.A．ifB．orC．soD．butSectionAA【解析】本題考查連詞的詞義理解。根據(jù)本題語境可知，“如果”是為了上課的話，學(xué)生們是可以上網(wǎng)的，故所缺的詞是if。We'retryingtosavetheearth!SectionB第1課時(shí)

Whatcanwedotohelpsavetheearth?Takebusesinsteadofdrivingcars.Whatcanwedotohelpsavetheearth?Don’tusepapernapkins.n.

餐巾紙Whatcanwedotohelpsavetheearth?Classifytherubbish.v.

分類Whatcanwedotohelpsavetheearth?Takeyourownbagswhenyougoshopping.Whatcanwedotohelpsavetheearth?Turnoffthelightswhenyouleavearoom.Whatcanwedotohelpsavetheearth?Ranktheseitemsfromtheeasiest(1)tothemostdifficult(5).1a____stopridingincars____recyclebooksandpaper____turnoffthelightswhenyouleavearoom____turnofftheshowerwhileyouarewashingyourhair____don’tusepapernapkinsCompareyouranswersin1awithyourpartner.1bRecyclingpaperisreallyeasy.Iagree.Butit'shardtostopridingincars.動(dòng)名詞做主語stopdoingsth.

停下正在做的事stoptodosth.

停下去做另外一件事[觀察]

Recyclingpaperisreallyeasy.

回收紙張是很容易的。[探究]

recycle意為“____________________”recycle是由“re-+cycle”構(gòu)成的動(dòng)詞。They_________labelsandlidsaswell.他們也回收標(biāo)簽和蓋子?；厥绽?，再利用recycles[拓展]以re-為前綴的常見單詞以re-為前綴reuse

rewrite

rebuild

rearrange

v.重新使用v.重寫v.重建v.重新安排Listenandcheck(√)thethingsthatJuliaandJacktalkabout.1cThingsJuliaandJacktalkaboutThingsJuliaisdoing

nowThingsJulia

willdo

inthefutureThingsJuliawould

neverdo___turningoffthelights___turningofftheshower___notusingpapernapkins√√ThingsJuliaandJacktalkaboutThingsJuliaisdoing

nowThingsJulia

willdo

inthefutureThingsJuliawould

neverdo___takingyourownbagswhenshopping___notridingincars___ridingabike___recyclingpaper√√√Listenagain.Check(√)thethingsthatJuliaisdoingnow,thethingsshewilldointhefutureandthethingsshewouldneverdo.1dThingsJuliaandJacktalkaboutThingsJuliaisdoing

nowThingsJulia

willdo

inthefutureThingsJuliawould

neverdo___turningoffthelights___turningofftheshower___notusingpapernapkins√√√√ThingsJuliaandJacktalkaboutThingsJuliaisdoing

nowThingsJulia

willdo

inthefutureThingsJuliawould

nev