微分方程y'=2y的通解为y=()

A、
B、
C、
D、
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汉译英:都市寸土千金,地价炒得越来越高。今后将更高。拥有一个小小花园的希望,对寻常之辈不啻是一种奢望,一种梦想。我想,其实谁都有一个小小花园,这便是我们的内心世界。人的智力需要开发,人的内心世界也是需要开发的。人和动物的区别,除了众所周知的诸多方面,恐怕还在于人有内心世界。心不过是人的一个重要脏器,而内心世界是一种景观,它是由外部世界不断地作用于内心渐渐形成的。每个人都无比关注自己及至亲至爱之人心脏的健损,以至于稍有微疾便惶惶不可终日。但并非每个人都关注自己及至亲至爱之人的内心世界的阴晴。

Theradiois________astrangesignal.What’swrongwithit?

A、givingup
B、givingin
C、givingout
D、givingaway

Passage3

Questions11to15arebasedonthefollowingpassage:

“...WearenotabouttoentertheInformationAgebutinsteadareratherwellintoit.”Presentpredictionsarethatby1990,aboutthirtymillionjobsintheUnitedStates,oraboutthirtypercentofthejobmarket,willbecomputer-related.In1980,onlytwenty-onepercentofallUnitedStateshighschoolsownedoneormorecomputersforstudentuse.(79)Inthefallof1985,anewsurveyrevealedthathalfofUnitedStatessecondaryschoolshavefifteenormorecomputersforstudentuse.Andnoweducationalexperts,administrators,andeventhegeneralpublicaredemandingthatallstudentsbecome“computerliterate(慢点…的).”“Bytheyear2000knowledgeofcomputerswillbenecessaryinovereightypercentofalloccupations.Soonthosepeoplenoteducatedincomputerusewillbecomparedtothosewhoareprintilliteratetoday.”

Whatis“computerliteracy”?Thetermitselfseemstoimplysoonextentof“knowing”aboutcomputers,butknowingwhat.Thecurrentopinionseemstobethatthisshouldincludeageneralknowledgeofwhatcomputersare,plusalittleoftheirhistoryandsomethingofhowtheyoperate.

Therefore,itisvitalthateducatorseverywheretakeacarefullooknotonlyatwhatisbeingdone,butalsoatwhatshouldbedoneinthefieldofcomputereducation.Todaymostadultsarecapableofutilisingamotorvehiclewithouttheslightestknowledgeofhowtheinternal-combustionengineworks.Weeffectivelyusealltypesofelectricalequipmentwithoutbeingabletotelltheirhistoriesortoexplainhowtheywork.(80)Businesspeopleforyearshavemadegooduseoftypewritersandaddingmachines,yetfewhaveeverknownhowtorepairthem.Why,then,attempttoteachcomputersbyteachinghoworwhytheywork?

Rather,wefirstmustconcentrateonteachingtheeffectiveuseofthecomputerasthetoolis.

“Knowinghowtouseacomputeriswhat’sgoingtobeimportant,wedon’ttalkabout‘automobileliteracy.‘Wejustgetinourcarsanddrivethem.”

11.In1990,thenumberofjobshavingnothingtodowithcomputersintheUnitedStateswillbereducedto________.

A)79millionB)30millionC)70millionD)100million(C)

12.Theexpression“Printilliterate”(Para.1,Line16)refersto________.

A)onewhohasneverlearntprintingB)onewhoisnotcomputerliterate

C)onewhohasneverlearnttoreadD)onewhoisnotabletouseatypewriter(C)

13.Thefirstparagraphismainlyabout________.

A)recentpredictionsofcomputer-relatedjobsB)thewideuseofcomputersinschools

C)theurgencyofcomputereducationD)publicinterestincomputers(C)

14.Accordingtotheauthor,theeffectivewaytospreadtheuseofcomputersistoteach____.

A)whatcomputersareB)howtousecomputers

C)wherecomputerscanbeusedD)howcomputerswork(B)

15.WhichofthefollowingstatementsisFALSE?

A)Whattoteachaboutcomputersshouldbereconsidered.

B)Thosewhoarenoteducatedincomputerusewillfinditdifficulttogetajob.

C)HumansocietyhasalreadyenteredtheInformationAge.

D)Thosewhowanttousecomputersshouldknowhowcomputersoperate.

Mario:Yourbelovedteacherhasarrivedhere,Nina.

Nina:I______she______untiltomorrow.

A、think;isn'tcoming
B、thought;wasn'tcoming
C、didn'tthink;wascoming
D、didn'tthink;iscoming

Didyouattendthemeetingyesterday____Marytalkedalot?

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