The weather is often（）in a high-pressure a_爱下问搜题

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问题单项选择题

The weather is often（）in a high-pressure area.

A.fine

B.cloudy

C.rainy

D.windy

答案

参考答案：A

选择题

Tom didn’t understand the text ________ the teacher explained it to him.

A．when

B．while

C．until

D．since

单项选择题

再生风机是（）式风机。

A.离心

B.罗茨

C.螺杆

D.轴流