题目内容

What suggestion has NOT been made by the Defense Department to American citizens traveling oversea?

A. To maintain a high level of vigilance in public.
B. To keep away from local events, like demonstrations.
C. To go to the US embassy or neareast US consulate for help.
D. To make full use of smart traveler enrollment for the latest security updates.

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以下属于营业利润的计算内容的有()

A. 营业外收入
B. 所得税费用
C. 公允价值变动损益
D. 营业税金及附加

在登坡技术中,滑雪板与滚落线平行的是什么登坡技术?( )

A. 横登坡技术
B. 斜登坡技术
C. 交替登坡技术
D. 八字登坡技术

交替登坡技术是比较常见的登坡技术,适用于各种坡度的场地。

A. 对
B. 错

一质点沿半径为1 m的圆周运动,它通过的弧长s按s=t+2(SI)的规律变化.问它在2 s末的速率、切向加速度、法向加速度各是多少?

A. 1,0,1
B. 0,1,0
C. 0,0,1
D. 1,0,0

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