人教版九年級(jí)英語(yǔ)Unit 13 We're trying to save the earth!Section B( 2a~2e)同步練習(xí)（含答案）

Unit13We'retryingtosavetheearth!SectionB(2a~2e)同步練習(xí)一、詞匯運(yùn)用根據(jù)首字母或漢語(yǔ)提示寫單詞。(1)It'sc______ofpeopletokillsomanysharksfortheirfins.(2)Thefactoryproducesharmfulgaseswhichareh______toourhealth.(3)Everyoneshouldplayapartin______(save)theearth.(4)Weshouldstopusingp______bagstoprotecttheenvironment.用所給單詞的適當(dāng)形式填空。(1)Manysharks______(kill)fortheirfinseveryyear.(2)Thewaterintherivernearmyhomeisgetting______(bad)thanbefore.(3)Weshouldtakeactiontostopthe______(pollute)ofourenvironment.(4)Peoplearetryingtheirbest______(solve)theproblemofairpollution.二、單項(xiàng)選擇Sharksare______thetopofthefoodchainintheocean'secosystem.A.inB.atC.onD.byManywildanimalsare______greatdanger.Weshouldprotectthem.A.inB.atC.onD.withTheoldmanis______weak______lookafterhimself.A.too;toB.so;thatC.such;thatD.enough;toThestudentsarebusy______fortheenvironmentalprotectionproject.A.prepareB.preparingC.toprepareD.prepared—______isthepopulationofyourcity?—About3million.A.HowmanyB.HowmuchC.WhatD.Which三、句型轉(zhuǎn)換Peoplearekillingsharksfortheirfins.(改為被動(dòng)語(yǔ)態(tài))Sharks__________________fortheirfins.Thewaterisverydirty.Wecan'tdrinkit.(合并為一句)Thewateris______dirty______wecan'tdrinkit.Theyaretryingtosavetheearth.(對(duì)劃線部分提問)______aretheytryingto______?Theairpollutionisveryseriousinourcity.(改為感嘆句)____________theairpollutionisinourcity!四、閱讀理解Sharksareamazinganimals.Theyareatthetopofthefoodchainintheocean'secosystem.Butnow,manysharksareindanger.Peoplekillsharksfortheirfins.Sharkfinsoupisatraditionaldishinsomepartsoftheworld.Togetfins,peoplecatchsharks,cutofftheirfinsandthenthrowthesharksbackintotheocean.Withoutfins,thesharkscan'tswimandtheywilldieslowly.Thenumberofsharkshasdroppedby90%inthelast20to30years.Ifwedon'tdosomethingtostopthis,therewillbenosharksleftinthefuture.Protectingsharksisveryimportant.Sharksplayanimportantroleinkeepingthebalanceoftheocean'secosystem.Weshouldmakelawstostoppeoplefromkillingsharksandencouragepeopletoprotectthem.Whyaremanysharksindanger?A.Becausetheyareatthetopofthefoodchain.B.Becausepeoplekillthemfortheirfins.C.Becausetheycan'tswim.D.Becausetheyarenotimportantintheocean'secosystem.Whatdopeopledowithsharksaftercuttingofftheirfins?A.Theyeatthem.B.Theykeepthemaspets.C.Theythrowthembackintotheocean.D.Theysellthem.Whatwillhappenifwedon'tprotectsharks?A.Theocean'secosystemwillbebetter.B.Therewillbemoresharksinthefuture.C.Sharkswillbecomestronger.D.Therewillbenosharksleftinthefuture.Whatshouldwedotoprotectsharks?A.Makelawstostoppeoplefromkillingsharks.B.Encouragepeopletoprotectsharks.C.BothAandB.D.Noneoftheabove.五、書面表達(dá)地球是我們共同的家園，但是，隨著工業(yè)的發(fā)展，環(huán)境污染越來(lái)越嚴(yán)重。請(qǐng)以“HowtoProtecttheEarth”為題，寫一篇80詞左右的短文，談?wù)勀愕南敕ê徒ㄗh。答案一、詞匯運(yùn)用(1)cruel(2)harmful(3)saving(4)pl