单选题：Some of the larger birds can remain stationary in the air fo

题目内容：

Some of the larger birds can remain stationary in the air for several minutes. A．motionless
B．silent
C．seated
D．true

参考答案：

答案解析：

We live for years in a perpetual state of fear.

We live for years in a perpetual state of fear.A．emotion B．nervous C．terrible D．

分类：理工类题型：单选题

What aspect of the adopted children's language development differed from that of

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Building more roads is not an effective way to __________.A．reduce traffic jams

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I will not tolerate that sort of behavior in my class.A．control B．observe C．regu

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回答(3)题A．privately B．usefully C．awfully D．personally

分类：理工类题型：单选题