电气施工图识读的一般要求中，电气安装工程施工图主要由( )组成。
A. 电路图、原理图和接线图
B. 系统图、原理图和接线图
C. 系统图、剖面图和平面图
D. 平面图、剖面图和原理图
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It can be concluded from the text that ______.
A. his father's advice helped him to decide which job to take up
B. working in a sports team was his most important experience
C. he learned much from his shared experience with his team members
D. his experience as a baggage boy had a great influence on his later life
How did John react to his mother's bad temper
A. He tried to imagine himself in her place.
B. He tried not to notice it.
C. He pretended he had toothache.
D. He behaved himself as well as possible.
下列选项中，关于动力与照明电气平面图中的动力与照明平面图，叙述正确的是( )。
A. 动力与照明平面图仅能反映动力及照明线路的铺设位置
B. 动力与照明平面图是表示建筑物内动力、照明设备和线路平面布置的图纸
C. 动力与照明平面图仅反映动力及照明线路的导线截面及导线根数
D. 动力与照明平面图不能反映出各种电气设备及用电设备的安装数量、型号及相对位置
Which Midwestern city of the USA is the automobile capital of the world
A. [A] Chicago.
B. [B] Detroit.
C. [C] Milwaukee.
D. [D] Cleveland.
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