Before Chinese Chang’e-2, the US sent up a space probe (探测器) to hit the moon to

题干

Before Chinese Chang’e-2, the US sent up a space probe (探测器) to hit the moon to see ______.

A．whether there was water on it	B．whether was there water on it
C．whether on it was there water	D．whether was water on it

上一题下一题 0.64难度单项选择更新时间:2010-11-19 03:10:59

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