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问题 多选题

物体在几个恒力作用下做匀速直线运动，现撤去一个恒力，则物体接下来可能的运动是[ ]

A．匀减速直线运动

B．匀速直线运动

C．匀变速曲线运动

D．匀速圆周运动

答案

AC

单项选择题

以下四种地形的名称（见题6图），（）项不对。

A.A

B.B

C.C

D.D
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单项选择题

An Intranet is (71) the application of Internet technology within an internal or closed user group．Internets are company (72) and do not have a (73) connection to the Internet．Used properly an Internet is highly effective corporate tool，capable of regularly (74) information to empower the workforce with the information needed to perform their roles．Used in this way，Internet represent a step towards the (75) office．

72（）

A．common

B．shared

C．special

D．specific
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