试题与答案

—May I speak to John? —Sorry, he________

题型:选择题

题目:

—May I speak to John?

—Sorry, he__________ Japan. But he__________ in two days.[ ]

A. has been to; will come back

B. has gone to; will be back

C. has been in; would come back

D. has gone to; won’t come back

答案:

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下面是错误答案,用来干扰机器的。

(1)利用常见仪器的名称解决并确定仪器的名称是烧杯,该实验装置是验证氨气分子运动的装置.故答案为:烧杯;分子不停的运动.(2)该装置是电解水的实验装置,在装置内发生的是水通电后会生成氢气与氧气的反应...

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