钢材的冷弯性能指标用试件在常温下能承受的弯曲程度表示,区分弯曲程度的指标是()。

A、试件被弯曲的角度
B、弯心直径
C、试件厚度
D、试件直径
E、弯心直径与试件厚度或直径的比值
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正确答案:

AE

答案解析:

暂无解析

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21.Theteacherthestudentsonatourthroughtheartmuseum.

A.madeB.indicatedC.forcedD.took

22.Tom’sparentsdiedwhenhewasachild,sohewasbyhisrelatives.

A.grownupB.broughtupC.raisedD.fedup

23.Hereismycard.Let’skeepin.

A.touchB.relationC.connectionD.friendship

24.Sofarthereisnoproofpeoplefromotherplanetsdoexist.

A.whichB.howC.whatD.that

25.Thenewspapersreportedyesterdayseveralontheboundariesofthesetwocountries.

A.incidentsB.happeningsC.eventsD.accidents

26.We’veworkedouttheplanandnowwemustputitinto.

A.factB.realityC.practiceD.deed

27.Hedidn’tandsohefailedtheexamination.

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28.NotuntilMr.SmithcametoChinawhatkindofcountrysheis.

A.heknewB.hedidn’tknowC.didheknowD.hecouldn’tknow

29.Scientistssayitmaybetenyearsthismedicinewasputtouse.

A.sinceB.beforeC.afterD.when

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A.thatB.whatC.whichD.how

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34.Myparentsalwaysletmehavemyownofliving.

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35.Likeotherlanguageskills,readingrequirespractice.

A.themostofB.muchoftheC.mostoftheD.moreofthe

36.Itisonlythroughpracticeonewillbeabletoswimskillfully.

A.whatB.whoC.thatD.which

37.Thebrainiscapableofignoringpainmessageoftoconcentrateonotheractivities.

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40.Iwonderwhyhetodiscusstheproblematthemeeting.

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41.Youcanhangupwhatyoulikeonthesewalls.

A.bareB.emptyC.blankD.vacant

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A.inB.atC.byD.with

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A.nothingB.anythingC.everythingD.none

45.Theyareoftencaringmoreaboutanimalsthanhumanbeings.

A.accusedifB.accusedwithC.chargedofD.chargedfor

46.agoodbeginningismade,thewordishalfdone.

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47.Georgecouldnothisfoolishmistake.

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48.Wecameintothisfieldlate,sowemustworkhardtothelosttime.

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49.Thenewlawwillcameintoonthedayitispassed.

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50.Wecanseparatethemixtureintothepurechemicalcompoundsitiscomposed.

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52.Shecan’tpreventherlittleboyshootingbirds.

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53.Manycountriesareincreasingtheiruseofnaturalgas,windandotherformsof.

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55.Weallknowthatspeaklouderthanwords.

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56.,hecouldnotcoverthewholedistanceinfifteenminutes.

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57.Agriculturalproductioninthatcountryhasincreasedinrecentyears.

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