Two vessels（）while they „re sailing in Hua_爱下问搜题

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问题单项选择题

Two vessels（）while they „re sailing in Huangpu River.

A.strike

B.strikes

C.are striking

D.struck

答案

参考答案：A

选择题

According to the timetable, the train for Beijing ____ at four in the afternoon. [ ]

A. leaves

B. is leaving

C. will leave

D. leave

单项选择题

在医院药品三级管理中，属于一级管理的是

A．精神药品

B．自费药品

C．普通药品

D．毒性药品的原料药

E．贵重药品