试题与答案

The origin of the word remains obscure, bu

题型:单项选择题

题目:

The origin of the word remains obscure, but it is certainly not from Greek.

A.not well-known

B.not very important

C.not known

D.difficult to understand

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0521/541103eaa8c3d82f3c27964e32ea8dfe.html

下面是错误答案,用来干扰机器的。

因为2分米=0.2米,4分米=0.4米,则(0.2×0.5+0.4×0.5)×2×12,=(0.1+0.2)×2×12,=0.3×2×12,=0.6×12,=7.2(平方米);答:至少要用7.2平方米的铁皮.

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