______much is known about what occurs during sleep, the precise function of slee

游客2023-11-04 17

问题 ______much is known about what occurs during sleep, the precise function of sleep and its different stages remains largely in the realm of assumption.

选项 A、Because
B、For
C、Since
D、While

答案 D

解析本题考查连词。分析题干可知，前后两个句子属于转折关系，而非因果关系。[A]、[B]、[C]均表示因果关系，只有[D]While可以表示转折关系，意为“虽然”，故为答案。

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______much is known about what occurs during sleep, the precise function of slee

Whichoftheitalicizedpartsfunctionsasacomplement?A、Ifeltmyhandstrembl

Theseissueswerediscussedatlengthduringthemeeting.Theunderlinedpartme

Duringtheeconomiccrisis,theyhadtocutbackproductionand______workers.A、l

Duringthelastdecade,ValBeasleyoftheUniversityofIllinoisCollegeha

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JeanWagner’smostenduringcontributiontothestudyofAfro-Americanpoetryis

______muchisknownaboutwhatoccursduringsleep,theprecisefunctionofslee

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