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Direction:TranslatethefollowingpassageintoChinese.DifferentcultureshavedifferentwaystocelebratetheNewYear.Manyculturescelebratewithspecialdishesandobjects.InChina,peoplecelebratethelunarNewYear,ortheSpringFestival.Theypreparetraditionalfoostosharewithfriendsandfamily.Inthenorth,peopleusuallyeatjiaozi,ordumpling.Itismadeofflourwithdifferentfillings.Themostpopularfillingsareporkandcabbage,beefandcelery,andmuttonandcarrot.Inthesouth,peoplefavorastickysweetricepuddingcalledNiangao.Itismadeofricewithwalnut,pinenut,seasame,andbeanpastefillings.TheChineealsotraditionallycelebratethelunarNewYearwithfireworks.TheyfirstusedthemasearlyastheeighthcenturyA.D.Fireworksaremadeofmaterialslikesulfur,charcoal,andsaltpeter(alsoknownaspotassiumnitrate).InScotland,thecelebrationfortheNewYeariscalledHogmanay.Thisiscelebratedinpartiesinhomesandonthestreetwithmusic,dancing,andsinging.Manymenwearkiltswhicharemadeofwool.Thereareusuallyfireworksatmidnight.Whenmidnightarrives,everyoneholdshandsandsingsatraditionalsong.Theneveryonekisses.Traditionally,ifatalldarkpersonarrivesatahousejustaftermidnightwithapieceofcoal,thiswillbringgoodlucktothehouse.Somanypeoplevisittheirfriendswithpiecesofcoal.Theyalsobringgiftsofwhiskeyandblackbuns.Thesearespecialcakesmadeofdriedfruitandflour.

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在25ºC时,某二极管的死区电压Uth≈0.5V,反向饱和电流IS≈0.1pA,则在35ºC时,下列哪组数据可能正确:

A.Uth≈0.525V,IS≈0.05pA
B.Uth≈0.525V,IS≈0.2pA
C.Uth≈0.475V,IS≈0.05pA
D.Uth≈0.475V,IS≈0.2pA

当温度升高时,二极管正向特性和反向特性曲线分别:

A.左移,下移
B.右移,上移
C.左移,上移
D.右移,下移

从二极管伏安特性曲线可以看出,二极管两端压降大于( )时处于正偏导通状态:

A.0
B.死区电压
C.反向击穿电压
D.正向压降

温度升高时,二极管的导通电压,反向饱和电流。(填:增大或减小)

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