Scientists think laser (be)______one of the most useful tools today.

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问题 Scientists think laser (be)______one of the most useful tools today.

选项

答案to be

解析 to be在此是不定式作宾语补足语。

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本试题收录于：大学英语三级A级题库大学英语三级分类

大学英语三级A级

大学英语三级

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Scientists think laser (be)______one of the most useful tools today.

大学英语三级A级

大学英语三级

AlongwiththegrandviewoftheGreatWall,travelerstoPekingshouldn’tmisstryingthePekingRoastedDuck.Toenjoythefam

WhenIenteredtheroom,Ifoundthecup(break)______onthetable.

Accordingtothewriter,whenmanfindsitimpossibletolivetogetherwithotherspecies,heusually______.AllenandBeatrice

SouthKorea’scurrentaccountdeficit(赤字)reachedall-timehighof$8.82billionin1995,nearlydoublethatofthepreviousyea

TheSwedesareamongthemostcharmingpeoplesinEurope.Andtheircharmcomesfromanapparentcontradictioninthenationalc

A、Bossandsecretary.B、Librarianandstudent.C、Customerandrepairman.D、Operatorandcaller.C

A—toholdameetingE—finalsittingB—workingpartyF—formalsittingC—meetingincameraG—plenarymeetingD—openingsittingH—s

Theballwaspossiblyinventedbecause.TheEgyptiansconsideredthatballplayingwas.

Doctorsfeelreallyworriedthat.Theword"sunscreen"(Para.2)probablymeans.

He______inthearmyfortenyears,andheretiredlastyear.

设向量a=(2，4，－5)，b=(2，3，k)，若a与b垂直，则k=____________．

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身体受到伤害要求赔偿的诉讼时效是(　　)。