大学英语(1)第一次网络作业

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1、大学英语（1）第一次网络作业(三次网络作业的平均成绩占期末考试成绩30%，请大家按提示认真复习好《大学英语》第一册相关课文和课后语法知识点后完成如下作业；作业一经批改评分，将不能修改；此次作业完成后应交到“在线作业”一栏本次作业界面中；作业必须按最后一页答卷表格格式作答，不要以附件形式缴交)一.阅读：（1）Theworld’spopulationcontinuestogrow.Therenowareabout4billionofusonearth.Thatcouldreach6billionbytheendofthecenturyand11billioninafurther75years.Ex

2、pertshavelongbeenconcernedaboutsuchagrowth.Wherewillwefindthefood,water,jobs,houses,schoolandhealthcareforallthesepeople?Amajornewstudyshowsthatthesituationmaybechanging.Alargeandrapiddropintheworld’sbirthratehastakenplaceduringthepast10years.Familiesgenerallyaresmallernowthantheywereafewyearsago.It

3、ishappeninginbothdevelopingandindustrialnations.Researcherssaidtheyfoundanumberofreasonsforthis.Moremenandwomenarewaitinglongertogetmarriedandareusingbirthcontroldevicesandmethodstopreventordelaypregnancy.Morewomenaregoingtoschoolorworkingatjobsawayfromhomeinsteadofhavingchildren.Andmoregovernments,

4、especiallyindevelopingnations,nowsupportfamilyplanningprogramstoreducepopulationgrow.Chinaisoneofthenationsthathavemadegreatprogressinreducingitspopulationgrowth.Chinahasalreadycutitsrateofpopulationgrowthbyabouthalfsince1970.EachChinesefamilyisnowurgedtohavenomorethanonechild.Andthehopeistoreachaze

5、ropopulationgrowthwiththetotalnumberofbirthsequalingthetotalnumberofdeathsbytheyear2000.SeveralnationsinEuropealreadyhavefewerbirthsthandeaths.Experts4saidthatthesenationscouldfaceaseriousshortageofworkersinthefuture.Andthepersonswhoareworkingcouldfacemuchhighertaxestohelpsupportthegrowingnumberofre

6、tiredpeople.1.Theworld’spopulationcouldreach___B______.A.6billionin75yearsB.11billionin2075C.11billionbytheendofthiscenturyD.600millionin15years2.Whichofthefollowingistrue?BA.Theworld’sbirthrateishigherthantenyearsago.B.Therehasbeenaslowerpopulationgrowthinthepasttenyears.C.Familiesareaslargeasbefor

7、e.D.Birthcontrolhasbeenwellpracticedinallnations.3.Bytheyear2000,thenumberofbirthsandthenumberofdeathsinChinawill__C___.A.begreatlydifferentB.dropagreatdealC.beequalD.becomemuchlarger4.Accordingtothee