北大15春《大学英语3》作业四.docx
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北大15春《大学英语3》作业四.docx
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北大15春《大学英语3》作业四
作业ID:
29347
1.
鼓励自主完成,严惩抄袭。
Mr.Obamawillgiveaspeechonthecurrentsituationatthemeeting____D_____nextweekinBeijing.
A.A.tohold
B.B.held
C.C.holding
D.D.tobeheld
2.
Itwasinasmallvillageinthesouth___A______hespenthischildhoodandmethislife-longfriend–thelocalschoolmaster.
A.A.where
B.B.when
C.C.which
D.D.that
3.
Ithinkfishingisanicehobbybutneedsagooddealof____D__.
A.A.relation
B.B.limitation
C.C.strength
D.D.patience
4.
Finallywemadea____B__thatIshouldcookdinnerandshewouldwashupafter.
A.A.trip
B.B.bargain
C.C.face
D.D.fool
5.
Firstofall,ateachershouldshowloveforhisstudentsontopofhisacademicknowledge._______C_____,heisnotqualifiedforhisposition.
A.A.Therefore
B.B.Otherwise
C.C.However
D.D.Because
6.
FormanyoverseasChinese,Chinaistheirreal_____D__,becausetheywerebornandgrewupthere.
A.A.home
B.B.family
C.C.house
D.D.household
7.
Doyouknowthe____B________ofthesayingIjustquoted?
A.A.resource
B.B.source
C.C.course
D.D.cause
8.
TheInternethasbrought________A____bigchangesinthewaywework.
A.A.about
B.B.out
C.C.up
D.D.back
9.
IfonlyI_____D_hardinthepastfewmonths!
ButIdidn’tworkhardenoughandfailedthemathexamination.
A.A.work
B.B.worked
C.C.haveworked
D.D.hadworked
10.
Noneofusknewhowthechangehadcome_B_____.
A.A.across
B.B.about
C.C.over
D.D.down
11.
Thenumberofmembersintheclub___C_totwohundred.
A.A.werelimited
B.B.limits
C.C.waslimited
D.D.limited
12.
Therearemanyfashionshopsandexpensiverestaurantson__C__sidesofthestreet.
A.A.all
B.B.each
C.C.both
D.D.every
13.
Iwentto____Londonyesterdayandsaw__A__strangeoldmanandalittlegirl,beggingbytheroadside.
A.A./;a
B.B.a;/
C.C./;the
D.D.the;/
14.
Speakloudersothatyoucanmakeyourself___A____.
A.A.heard
B.B.tohear
C.C.hearing
D.D.havebeenheard
15.
Nowitwon’tbelongbeforewemeetagain,__D______?
A.A.willit
B.B.dowe
C.C.won'twe
D.D.doesit
16.
请在以下句子划线部分中,挑出错误的选项。
Theharderhetried,themostfailureshesufferedinhisearlydaysasawriter.
B
A.A.Theharder
B.B.themostfailures
C.C.suffered
D.D.asawriter
17.Onlyunderspecialcircumstancesfreshmenarepermittedtotakemake-uptests.
C
A.A.under
B.B.circumstances
C.C.freshmenare
D.D.totake
18.Itwasuntilafterhisdeaththathewasrecognizedasagreatcomposer.
A
A.A.Itwasuntil
B.B.that
C.C.wasrecognized
D.D.agreatcomposer
19.YoucanarriveinBeijingearlierforthemeetingthoughyoudon’tmindtakingthenighttrain.
C
A.A.can
B.B.earlier
C.C.though
D.D.taking
20.Whynotstayathomesincethattheroadissoslipperyaftertheheavysnow?
B
A.A.Whynot
B.B.sincethat
C.C.is
D.D.heavysnow
21.
请阅读以下文章,回答文章后的五个小题。
每个小题只有一个最佳选项。
Astheschoolyearkicksoff,parentsareonceagainstragglingtocajole(哄骗)and,ifneedbe,dragtheirexhaustedteensoutofbed.Thatimagemaymakeyoulaugh,butlackofsleepisnojoke.Teenagerswhodon’tgetenoughresthavemorelearning,health,behaviorandmoodproblemsthanstudentswhogetatleastninehoursanight.Long-termlackofsleepistiedtoheartdisease,overweight,depressionandashortenedlifespaninadults,indicatingtheimportanceofestablishinggoodsleephabitsearlyinlife.Lackofsleepcanbeespeciallydeadlyforteens;caraccidentsaretheleadingcauseofdeathamongteenagers,andsafetyexpertsbelievesleepydrivingisamajorfactor.
Unfortunately,fewteenagersgetthesleeptheyneed.Inasurveyofmiddle-andhigh-schoolstudents,UniversityofColoradoresearchersfoundthat82percentsaidtheywokeuptiredandunrefreshed,andmorethanhalfhadtroubleconcentratingduringthedayatleastonceaweek.
Blamemultitaskingforsomeofthis.Manystudentsarejugglingafter-schoolactivities,homeworkandpart-timejobs.Evenwhentheymanagetofulfilltheseobligationsbyareasonablehour,television,theInternet,videogames,phonecallsandtextmessagestofriendsoftenkeepthemawakedeepintothenight.Takingsodaandenergydrinkslateinthedayandgoingtolate-nightpartiesonweekendsaddtosleepdebt.Biologyalsoworksagainstteenagers’sleep,Thebody’sinternalclock,whichcontrolswhenapersonstartstofeeltired,shiftsafterpuberty(青春期),makingithardformostteenstofallasleepbefore11pm.Classusuallybeginsbefore8:
15am,withmanyhighschoolsstartingasearlyas7:
15am.Togettoschoolontime,mostteenshavetogetupby6:
30am,guaranteeingthey’llbesleep-deprivedduringtheweek.Teensoftensleepmuchlateronweekendstocatchup,makingitevenharderto
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