Aldebaran is slightly variable in brightness, but the change is imperceptible _________the human eye.
Aldebaran is slightly variable in brightness, but the change is imperceptible _________the human eye.
A、 in
B、 to
C、 for
D、 with
【正确答案】:B
【题目解析】:此题考察的是固定搭配。Be imperceptible to表示对…难以察觉。此句的意思毕宿五在亮度上是有细微变化的,但是这种变化肉眼几乎无法察觉。
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