赞题库-背景图
单项选择题

The scientist from the French space agency did all the following things except ______.

A．taking further photos
B．taking soil samples
C．planting vegetation in the soil
D．taking samples of vegetation
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热门试题

单项选择题If Quebec was separated from Canada, the two pacts with US ______.

A．should remain effective
B．should be abolished
C．should be discussed again
D．should be supplemented

单项选择题In the case that occurred in France in 1981, how many people witnessed it

A．One.
B．Two.
C．Three.
D．Five.