This is _____ ID card. It's not _____ ca

题型:选择题

问题:

This is _____ ID card. It's not _____ card.[ ]

A. a; your

B. an; you

C. a; you

D. an; your

考点:不定冠词(a,an)物主代词
题型:选择题

In managing a project, you notice that a deliverable mentioned in the general conditions of the contract has not yet been received. The seller, however, says the special provisions of the contract void that deliverable. What should you do

A) Require the deliverable as in the contract.
B) Do nothing.
C) Contact the contract manager.
D) Send a letter requiring the deliverable is met.

题型:选择题

一辆火车每小时走90米.______.(判断对错)

题型:选择题

如图所示,BC是半径为R的1/4圆弧形光滑且绝缘的轨道,位于竖直平面内,其下端与水平绝缘轨道平滑连接,整个轨道处在水平向左的匀强电场中,电场强度为E,今有一质量为m、带正电q的小滑块,(体积很小可视为质点),从C点由静止释放,滑到水平轨道上的A点时速度减为零。若已知滑块与水平轨道间的动摩擦因数为μ,求:

(1)滑块通过A点时的速度大小;

(2)水平轨道上A、B两点之间的距离。

题型:选择题

下面概念中,不属于面向对象方法的是( )。

A.对象

B.继承

C.类

D.过程调用

题型:选择题

空气处理的主要目的是什么?

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