题目内容
The scientists are able to ____________ accurately when the spaceship will reach the moon.
A.accumulate B.calculate C.appoint D.estimate
【答案】
B
【解析】略
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题目内容
The scientists are able to ____________ accurately when the spaceship will reach the moon.
A.accumulate B.calculate C.appoint D.estimate
B
【解析】略