The reason for their unusual behavior remains a puzzle.

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问题 The reason for their unusual behavior remains a puzzle.

选项 A、fact
B、mystery
C、statement
D、game

答案B

解析 puzzle这个名词的意思是“令人困惑的事情或问题、不解之谜”。四个选项中只有 mystery和它同义。又如：It is still a puzzle／mystery how the ancient Egyptians built the pyramids．(古埃及人究竟怎样建造金字塔至今还是个没有解开的迷)。

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本试题收录于：职称英语理工类B级题库职称英语分类

职称英语理工类B级

职称英语

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The reason for their unusual behavior remains a puzzle.

职称英语理工类B级

职称英语

It’sconvenienttotakebussincebusesleaveatshortintervals.

Foreignmoneycanbeconvertedintothelocalcurrencyatthisbank.

Americansstillhavebeengainingweight,althoughtheyhavecuttheiraveragefatintakefrom36to34percentoftheirtotald

ProlongingHumanLifeProlonginghumanlifehasincreasedthesizeofthehumanpopulation.Manypeoplealivetodaywouldha

CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou

ManyphysiciansintheUSareself-employedprivatephysicians.BecomingaphysicianintheUScostsconsiderabletimeandmone

Withimmenserelief,Istoppedrunning.

Onaclearnight,peoplecansee______Nowadaysevensuburbsarebecomingunsuitableforastronomerstodotheirjobsbecause__

Maryjusttoldusaveryfascinatingstory.

TheNaturalBalanceBeingAlteredThebalanceofnatureisaveryelaborateanddelicatesystemofcheckandcountercheck.I

Afteralonganddifficultstrike，theplantworkerswillshowuptowork________Monday．

下列关于文化传统的说法，错误的是

西米替丁作为非处方药仅限于

行保留灌肠时，药量一般不超过

可改善混凝土拌和物的和易性，减少泌水离析，并能提高混凝土的抗渗性和抗冻性的外加剂是()。

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However,theformerFedchairmanplayeddownthepracticalimplicationsoftheAIIB,sayingthebankwaslargelysymbolic.

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