2. 外语
  3. 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

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

admin2018-04-04  56
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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