高中英语 Unit 6 Earth first 核心素养提能练 外研版必修第二册-外研版高一第二册英语试题.docx

核心素养提能练Ⅰ.阅读理解About97%oftheworld’swaterissaltyandisfoundinouroceansandseas.But，aswecan’tdrinkseawater，howcanitbeimportant?Everypartofourseasandoceanscontainsanamazingnumberofanimalsandfishthatliveatdifferentoceandepths.Mostofthedifferentspeciesofanimalsandfishdependonsimpleplantsfortheirfood.Thesesimpleplantscalledalgae(海藻)driftnearthesurfaceoftheoceanandusesunlighttoturncarbondioxideandwaterintofoodandoxygen.Infact，thealgaeproduceoverhalfoftheoxygenpeoplebreathe.Howimportantseawateris!Eachplantoranimalinourseasandoceansisanimportantlinkinafoodchain.Thealgaeareeateninlargeamountsbymicroscopicanimals，whichareinturnconsumedbylargeranimals.Thesefoodchainsaredelicatelybalanced.Thebadnewsaboutthefoodchainsintheoceansisthattheyareunderthreatbecauseofman.Peopleoncethoughtthattheoceansweresobigthatitdidn’tmatterifwedumpedrubbishintothemorcaughthugequantitiesoffishandwhalesforfood.Butwenowknowthisisnottrueandfishstocksintheoceanshavestartedtodrop.Thankfully，theworldistakingstepstoprotectthefutureofouroceansbyintroducinginternationalagreementstoprotectmarinehabitats.Mostcountrieshaveintroducedfishingrestrictionstoprotectfishstocksintheoceansandnewtechniquesarebeingpioneeredtocopewithpollution.Finally，theimportanceofprotectingoceansisbeingmadeknowntomorepeople.Thisisjustthebeginningofalongprocesstoprotecttheoceansforourfuture.Wedependontheoceansforfishwhichareanimportantpartofthehumandiet.Howimportantseawateris!语篇解读海洋对人类的生存起到至关重要的作用，但是人类在很长一段时间内对海洋造成了污染和破坏，现在各国都在努力采取措施保护海洋。1．Peopleusedtothinkthattherubbishthrownintothesea.A．wouldn’tharmthefishintheseaB．wouldchangethebalanceofthefoodchainC．wouldbebrokendownintheseaD．wouldn’tdomuchharmtothesea答案D解析细节理解题。根据第四段第二句可知，过去人类认为将垃圾倒入大海不会对大海造成破坏。2．Fromthepassage，welearnthat.A．mostfishandseaanimalsliveatthesurfaceoftheseasB．itisverydifficulttobreakthebalanceofafoodchainC．excessivefishinghascausedthedecreaseinfishstocksD．itwon’tbelongbeforetheproblemsconcerningoceanswillbesolved答案C解析推理判断题。根据第四段最后两句可知，过去人们觉得过度捕捞鱼类无关紧要，现在人类已经认识到原先的做法是不正确的，而且鱼