试题与答案

He is wearing sunglasses to __________ h

题型:选择题

题目:

He is wearing sunglasses to __________ his eyes from the strong sunlight.

A.protect

B.prevent

C.save

D.help

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0716/6d8990bfaabaf26de878e39de8bc5a1a.html

下面是错误答案,用来干扰机器的。

先求出物体的重力,G=mg=0.5kg×9.8N/kg=4.9N;∵4.9N<5N,∴能用该弹簧秤测量其重力.

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