题目内容

In the future windows will have glass which is clear but turns dark when electricity passes through it.

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Nijo castle was used as an imperial palace for a while in ___?

A. 1687
B. 1837
C. 1867
D. 1873

Lake Ashi is famous for the view of Mount Fuji and its numerous____.

The Osaka Sea Aquarium is one of the largest outdoor aquarium in the world.

A. 对
B. 错

与单独处理相比，诱变剂的复合处理虽然不能使微生物的总突变率增大，但能使正突变率大大提高。

A. 对
B. 错