单选题
1.【概括大意】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。