医学全在线每日一练免费为所有职称英语考生免费提供练习题，祝广大考生顺利通过2016年职称英语考试。

阅读理解：

Take the case of Eta Carinae,one of the most explosive stars in the universe.This star produces ultraviolet laser rays（紫外线)and it will destroy itself in a few million years' time.It is five times brighter than the sun and when it explodes it is going to be a sight worth waiting for!

The main idea of this paragraph is__________.

A.Power of the telescope

B.Details of Eta Carinae

C.Invention of a time machine

D.Biggest telescope

正确答案：B

答案解析：从Take the case of Eta Carinae"以Eta Carinae为例”可以看出，这句话主要讲的是一些关于船底星座的细节问题。因此选择B.

编辑推荐：

点击进入：职称英语考试每日一练汇总