1、大學英語（1）第一次網絡作業(三次網絡作業的均勻成績占期末考試成績30%，請大家按提示仔細復習好大學英語第一冊有關課文和課后語法知識點后達成以下作業；作業一經批閱評分,將不可以改正；此次作業達成后應交到“在線作業”一欄本次作業界面中；作業一定按最后一頁答卷表格格式作答，不要以附件形式繳交)一。閱讀：1）Theworldspopulationcontinuestogrow。Therenowareabout4billionofusonearth.Thatcouldreach6billionbytheendofthecenturyand11billioninafurther75years。Exper

2、tshavelongbeenconcernedaboutsuchagrowth。Wherewillwefindthefood,water,jobs，houses，schoolandhealthcareforallthesepeople？Amajornewstudyshowsthatthesituationmaybechanging。Alargeandrapiddropintheworldsbirthratehastakenplaceduringthepast10years.Familiesgenerallyaresmallernowthantheywereafewyearsago.Itisha

3、ppeninginbothdevelopingandindustrialnations。Researcherssaidtheyfoundanumberofreasonsforthis.Moremenandwomenarewaitinglongertogetmarriedandareusingbirthcontroldevicesandmethodstopreventordelaypregnancy.Morewomenaregoingtoschoolorworkingatjobsawayfromhomeinsteadofhavingchildren.Andmoregovernments,espe

4、ciallyindevelopingnations，nowsupportfamilyplanningprogramstoreducepopulationgrow。Chinaisoneofthenationsthathavemadegreatprogressinreducingitspopulationgrowth。Chinahasalreadycutitsrateofpopulationgrowthbyabouthalfsince1970.EachChinesefamilyisnowurgedtohavenomorethanonechild。Andthehopeistoreachazeropo

5、pulationgrowthwiththetotalnumberofbirthsequalingthetotalnumberofdeathsbytheyear2000。SeveralnationsinEuropealreadyhavefewerbirthsthandeaths.Expertssaidthatthesenationscouldfaceaseriousshortageofworkersinthefuture。1Andthepersonswhoareworkingcouldfacemuchhighertaxestohelpsupportthegrowingnumberofretire

6、dpeople。1.Theworldspopulationcouldreach_B_。A。6billionin75yearsB.11billionin2075C。11billionbytheendofthiscenturyD.600millionin15years2.Whichofthefollowingistrue？BA.Theworldsbirthrateishigherthantenyearsago。B.Therehasbeenaslowerpopulationgrowthinthepasttenyears。C。Familiesareaslargeasbefore.D。Birthcont

7、rolhasbeenwellpracticedinallnations.3。Bytheyear2000,thenumberofbirthsandthenumberofdeathsinChinawill_C_。A.begreatlydifferentB。dropagreatdealC。beequalD。becomemuchlarger4.Accordingtotheessay，Chinaspopulationcontrol_B_。A.isnotquitesuccessfulB。shouldbeconsideredabigsuccessC.isfarfrombeingsuccessfulD。isa

8、completefailure5。ItmayhappeninthefuturethatthepeoplewhoareworkinginEuropewillhavetopaymuchhighertaxesbecause_B_。A。moreandmorechildrenwillbebornB。thenumberofretiredpeoplewillbecomeeverlargerC。fewerandfewerchildrenwillbebornD。theywillbemakingalotofmoney二語法與詞匯：（請仔細復習好第一冊課本Unit3課后PickupYourGrammar2中的“未來

9、時后再達成以下5道選擇題）6。Bytheendof2020China_D_muchstrongerandricher.A.willbecomeB.wouldbecomeC。isbecomingD。willhavebecome7。It_D_yearssinceIlastsawyou。A。wasB.isC。willbeD。hasbeen8.Ifyou_C_quiet,Illtellyouwhathappened.A.beB。aretobeC。areD。willbe9。Theroom_C_oftencleanedbytheworker.A.hasB.willbeC.wasD.is10.Therail

10、way_D_inthreeyears。A。iscompleteB。willcompletedC.hascompletedD.willbecompleted三。介詞填空：（按課本第12單元課文內容填入適合的介詞）11。Successfullanguagelearnersarelearners_with_apurpose。12。Successfullanguagelearnersareindependentlearners.Theydonotdepend_on_thebookortheteacher.Itisjustlikea24hourlibrary，whichenablesustosearch_for_therightinformationweneedbysimplytypinginsomekeywords.Itisnecessaryforthemtolearnthelanguageinordertocommunicatewith_thesepeopleandtolearnfromthem。_on_theotherhand,ifyourlanguagelearninghasbeenlessthansuccessful，youmightdowel