2024九年级英语全册Unit13We'retryingtosavetheearth课时2SectionA3a－3b习题课件新版人教新目标版

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SectionA(3a－3b)UNIT13We'retryingtosavetheearth!一、根据句意及提示写出单词。1.Insomecountries,ifyouare________（残忍地）toanimals,youwillbetakentocourt.2.Nowadays,lotsofyoungpeopleareinterestedintheITi.3.Ourcountryhasmadeltoprotectbiodiversity（生物多样性）oftheYangtzeRiver.cruellyndustryaws返回目录返回目录4.Untilnow,no__________（科学的）studieshaveshownthatsharkfinsaregoodforhealth.5.Itisveryimportanttokeepthebalanceofthefood__________（链条）.scientificchain二、单项选择。6.［2023·成都温江区一诊］—Iknowthat______Jenny______LucyisstudyingSichuanculturenow.—Yes,andtheyfinditrichandamazing.A.neither...norB.both...andC.notonly...butalsoC返回目录返回目录7.Inourschoollibrarythere______anumberofbooksonscience,andintheseyearsthenumberofthem______growinglargerandlarger.A.are;isB.is;areC.have;areD.has;isA返回目录8._______,Chinahastakenmanymeasures(措施)toprotecttheenvironment.A.InthepastB.SofarC.InthefutureD.IntroubleB返回目录9.［2023·邯郸武安一模］_______hewasadisabledman,hetriedhisbesttohelpthepeopleinneed.A.BecauseB.AlthoughC.AfterD.IfB10.—Haveyou_______Bob,afamousbasketballstarinourschool?—Oh,heismyfriend.I’vejust_______him.A.heardfrom;heardofB.heardfrom;heardfromC.heardof;heardfromD.heardof;heardofC返回目录【点拨】句意：——你听说过我们学校著名的篮球明星Bob吗？——哦，他是我的朋友，我刚刚收到他的来信。hearof听说；hearfrom收到某人的来信。根据句意可知选C。返回目录三、根据汉语意思完成句子。11.目前鲸鱼的数量下降了30%。Atpresentthenumberofwhales___________________30%.hasdroppedby返回目录12.人们使用塑料袋太多，而且乱扔，这对环境有害。Peopleusetoomanyplasticbagsandthrowthemaway.It______________________________theenvironment.isharmfulto返回目录13.在山顶上，你能欣赏到周围全部美丽的风光。Youcanviewallthebeautifulscenesaround

________________________________________themountain.atthetopof返回目录14.汤姆，你不再是个小男孩了。你应该学会独立。Tom,youare____________________

alittleboy.Youshouldlearntobeindependent.nolonger返回目录15.他们不将长寿面切断，因为长寿面是长寿的象征。Theynever____________________thelongnoodlesbecausethelongnoodlesareasymboloflonglife.cutoff五、短文填空。Intoday’sworld,notallpeopleknownoiseisalsoakindofpollutionandisharmfultohumans’health.Peoplewhoworkandlivein21._________(noise)conditionsgodeafeasily.Forexample,manyofthe22._________(work)whoprintnewspapersandbooksgodeaf.返回目录noisyworkersQuite23._________fewpeoplelivingnearairportsalsohavehearingloss.Now,itis24._________(report)thatmanyteenagers25._________Americacanhearnobetterthan65-year-oldpeopledo,becausetheseyoungpeoplealwayslistentoloudpopmusic.26._________(make)aloudnoiseinpublicisalsoakindofpollution.返回目录areportedinMakingItnotonlydisturbsothersbutalso27._________(do)greatharmtopeople’shearing.Carsandmachinesalsoproducetoomuchnoise.Suchpollutionmakespeoplefeel28.____________(comfortable)andunpleasant,anditcanevencause29._________(they)t