A、The body’s internal clock has been reset. B、The length of day and night has changed. C、The body has reactions to different env

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问题

选项 A、The body’s internal clock has been reset.
B、The length of day and night has changed.
C、The body has reactions to different environments.
D、People can hardly fall asleep during a flight.

答案A

解析本题考查原因。由句(2)可知，女士说跨时区飞行基本上会调整人体的生物钟。因此答案为A。

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专业英语四级

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A、The body’s internal clock has been reset. B、The length of day and night has changed. C、The body has reactions to different env

专业英语四级

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Thelocalauthoritiesrealizedtheneedtomake______forelderlypeopleintheirhousingprogrammes.

[A]benefits[B]moving[C]restrict[D]waste[E]similar[F]save[G]separately[H]different[I]multiple[J]nonsalaried[K]number[L]

[A]benefits[B]moving[C]restrict[D]waste[E]similar[F]save[G]separately[H]different[I]multiple[J]nonsalaried[K]number[L]

A、Hebecamerelaxedwhenhestartedtosing.B、Hewasnotnervousduringthewholeprocess.C、Hethoughthewasthebestsinger

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