我觉得27题选C。
因为把diatom拿到实验室的目的就是为了看看是否把环境压力消除了,它还能继续做周期性运动,所以C说在这两个环境是没有区别的。而B说它的行为是consistent的,可是从这个实验没有说它的行为是一直不变的。
而且短期长期在这个语境下是分辨不出来的,所以他们都没有错。
举报
However,
this relation is complicated in intertidal
dwellers such as commuter diatoms
by the fact that these organisms are
(60) exposed to the solar-day cycle as
well as to the tidal cycle, and some-
times display both solar-day and
tidal periods in a single behavior.
Commuter diatoms, for example,
(65) emerge only during those low tides
that occur during the day.
哪位能帮忙翻译一下最后这一句。
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