In ancient times,_____the Middle East was a very rich area .

题目

In ancient times,_____the Middle East was a very rich area .
A such as B for example答案选B 为什么不选A呢

答案

for example,such as但用法有所不同.for example作“例如”讲时,一般只以同类事物或人中的“一个”为例,作插入语,用逗号隔开,可置于句首、句中或句末.For example,air is invisible.例如,空气是看不见的.He,for exam...