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问题 问答题 简答题

简述电梯的超载试验。

答案

参考答案：

电梯的超载试验应符合下列要求：轿厢应载以额定起重量的110％，在通电持续率40%的情况下，历时30分钟，电梯应能安全地起动和运行，制动器作用应可靠，曳引机工作应正常。

选择题

下列各句中加点的熟语使用恰当的一项是

A．这庙是什么时候修建的，也许有碑文可查，可惜那时候我没有读过《碑板广例》之类的书，对于石刻等等不怎么热心，以致熟视无睹。

B．这是种别开生面的场所，对调子的来自四方，各自蹲在松树林子和灌木丛沟洼处，彼此相去虽没有多远，却互不见面，唱的多是情歌酬和。

C．不了解他的人，有时还冒出一些胡言乱语，但他堂堂正正，照样走自己认准的路。

D．编码方法构思巧妙，100多个汉字字根，排列条理，泾渭分明。
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听力题

School education is very important and 小题1:u      . Yet no one can learn 小题2:       at school and a teacher cannot teach his students everything they want to know. His work is to show his students 小题3:_      to learn. He teaches them to read and think alone. So much more is to be learned outside school by the students 小题4:     (他们自己). It is always more important to know how to study by oneself. It is quite easy 小题5:     learn something, but it is difficult to use it to solve 小题6:p      . Great inventors don’t get everything at school, but they still can make many things and 小题7:    (改变) the world a lot. How can the inventors do all of this? One of answer is : They know how to study. A lot of things are not 小题8:t      in the classroom. They get a lot of 小题9:       （知识）by reading outside school. They work 小题10:h    and never give up all their lives.
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