安全带的试验周期是()。 A.1年1次; B.0.5年1次; C.1.5年1次; D

题型:单项选择题

问题:

安全带的试验周期是()。

A.1年1次;

B.0.5年1次;

C.1.5年1次;

D.2年1次。

考点:线路运行与检修专业考试高压线路带电检修工(初级)高压线路带电检修工(初级)题库
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阅读理解。

请仔细阅读下面报纸上的一篇报道,根据所提供的信息,完成下列表格。    

        Good Time is a program of ABC Radio (ABC电台). Dick is an announcer (播音员) for the

program.  He is twenty-four years old.  Most of boys and girls like the program. They also like Dick.Some of them often ring him up and thank him for his program. There are a lot of letters, messages and telephone calls for him every week.

        Dick gets up at 5:15 every morning. He has some bread and a glass of milk for breakfast. He leaves home at 6:15 and gets to his office at 6:45.

     The program begins at 7:00. He plays the new records (唱片)  of popular songs and modern music for listeners. At 8:00 it's time for the news.

      Dick finishes his work at 10:30. He goes home in his car.  He reads newspapers and listensto music in the evening.

      Dick's work is very interesting and helpful.

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已知∠1是∠2的2倍,∠1的余角的3倍等于∠2的补角,求∠1、∠2的度数。

题型:单项选择题

列车()越过引导信号,即可关闭信号或收回引导信号。

题型:单项选择题

DreamWeaver的Insert菜单中,插入插件的选项是?()

A、Applet 

B、ActiveX 

C、plugin 

D、Flash

题型:单项选择题

玻璃材料生产工艺性能之一表现为()。

A.脆性

B.可塑性

C.弹性

D.透明性

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