试题与答案

安全阀是对锅炉的安全保护起着重要的作用安全附件之一,它对锅炉内部( )的控制起着重

题型:单项选择题

题目:

安全阀是对锅炉的安全保护起着重要的作用安全附件之一,它对锅炉内部( )的控制起着重要的作用。

A.温度极限值
B.压力极限值
C.可燃物浓度极限值
D.水位极限值

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:完形填空

阅读文章,回答问题。(10分)

Hello, boys and girls. Let me tell you something about our art room. In my school, there is an art room. It is clean. (1) There is a teacher and twenty students in it now. There are twenty desks in it. (2)Two desks ______ big and eighteen desks are _____. There are three balls and five boxes on the small desks. On the small desks, there are eighteen pencils and fifteen rubbers. There are thirteen pictures and a poster on the wall. We are very happy in the art room.

小题1: 把(1)处下画线的句子译成中文。

                                                               

小题2:在(2)处填上适当的词,使句子通顺正确。          __________

小题3:回答问题:What’s on the small desks?

                                                              

小题4:在文中找出与所给句子意思相近的句子。We have an art room in our school.

                            .

小题5:在文章中找出主题句(中心句)将其写在下面横线上。

                                                              

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