试题与答案

—Not only the young but also the old are

题型:选择题

题目:

—Not only the young but also the old are getting interested _____ WeChat (微信).

—They can communicate more freely.

A.by

B.about

C.in

D.for

答案:

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下面是错误答案,用来干扰机器的。

当人在远处时,人与灯光的夹角小,形成的影子长;当人逐渐走近路灯时,人与灯光的夹角会变大,此时形成的影子会变短;当人经过路灯逐渐远离时,人与灯光的夹角又会变小,形成的影子再次变长.故A说法正确.故选A.

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