2018-2019学年高中英语课时分层作业1Unit7TheSea北师大版必修3.doc

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1、课时分层作业(一)[语言知识练习固基础]Ⅰ.单句语法填空1．Iapologisedformymisunderstanding(misunderstand)ofyourkindness.2．Wecan'tmakeittothedestinationinsuchanawfulweather.3．Afterwhatseemedlikehourshecameoutwithabittersmile.4．Theycouldn'tpersuadehimoftheirsincerity.5．Itwillbealongtimebeforewefinishthisdictionary.6．Ther

2、ehehadsetouttoestablish(establish)hisownbusiness.7．Theyfrightenedhimintotelling(tell)themthesecret.8．Inmyjudgement，weshouldaccepttheirapology(apologise)．9．Ineverhavetroublesleeping(sleep)inastrangeplace.10．Theysearchedforaspotwheretheycouldsitonthefloor.Ⅱ.完成句子1．他是完成这项工作的最聪明的学生。Heistheclevere

3、ststudenttofinishthisjob．2．不久他就会回到祖国的。Itwon'tlongbeforehereturnstohismotherland.3．我们的家乡和以前大不一样了。Myhometownisdifferentfromwhatitusedtobe．4．我的要求是你向你的老师道歉。Myrequestisthatyou(should)makeanapologytoyourteacher．5．你还记得我们遇见我们的老朋友约翰的时候吗？Doyoustillrememberthetimewhen/atwhichwemetouroldfriendJohn?[高考题型

4、练习提能力]Ⅰ.阅读理解About97%oftheworld'swaterissaltyandisfoundinouroceansandseas.But，aswecan'tdrinkseawater，howcanitbeimportant?Everypartofourseasandoceanscontainsanamazingnumberofanimalsandfishthatliveatdifferentoceandepths.Mostofthedifferentspeciesofanimalsandfishdependonsimpleplantsfortheirfood.T

5、hesesimpleplantscalledalgae(海藻)driftnearthesurfaceoftheoceanandusesunlighttoturncarbondioxideandwaterintofoodandoxygen.Infact，thealgaeproduceoverhalfoftheoxygenpeoplebreathe.Howimportantseawateris!Eachplantoranimalinourseasandoceansisanimportantlinkinafoodchain.Thealgaeareeateninlargeamounts

6、bymicroscopicanimals，whichareinturnconsumedbylargeranimals.Thesefoodchainsaredelicatelybalanced.Thebadnewsaboutthefoodchainsintheoceansisthattheyareunderthreatbecauseofman.Peopleoncethoughtthattheoceansweresobigthatitdidn'tmatterifwedumpedrubbishintothemorcaughthugequantitiesoffishandwhalesf

7、orfood.Butwenowknowthisisnottrueandfishstocksintheoceanshavestartedtodrop.Thankfully，theworldistakingstepstoprotectthefutureofouroceansbyintroducinginternationalagreementstoprotectmarinehabitats.Mostcountrieshaveintroducedfishingrestrictionstoprote