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问题 选择题

我们既要埋头拉车，更要抬头看路，眼观六路，耳听八方，从而真正找到方向。这体现了  [     ]

A．机不可失，时不再来

B．适应实际，安于现状

C．敢想敢干，无所不能

D．解放思想，实事求是

答案

答案：D

单项选择题

Microwave communication uses high-frequency (56) waves that travel in straightlines through the air. Because the waves cannot (57) with the curvature of the earth, they can be (58) only over short distance. Thus, microwave is a good (59) for sending data between buildings in a city or on a large college campus. For longer distances, the waves must be relayed by means of "dishes" or (60) .These can be installed on towers, high buildings, and mountain tops.

A．material

B．equipment

C．medium

D．channel
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单项选择题

对测试用例进行管理，可以依据测试用例编写过程的属性、组织过程的属性和

A) 创建过程的属性
B) 测试过程的属性
C) 执行过程的属性
D) 管理过程的属性
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