问题 问答题 简答题

简述周检内容。

答案

参考答案:

周检以专职检修人员为主,和运转人员配合联合进行维修。周检除包括日检内容外,还必须检查下列项目:

(1)轴瓦间隙和大轴有无窜动、振动,制动动作情况,适当进行调整。

(2)详细检查各部零件,并适当地调整、紧固。

(3)机械与电气保护装置(如过卷、自动减速、限速、过负荷等)的动作可靠程度。

(4)钢丝绳在卷筒与提升容器两端的固定情况,以及钢丝绳除垢、涂新钢丝绳油的情况。

阅读理解

阅读理解。

     Jack is six years old. He has no sisters. But he has a brother. His brother's name is Mike. Jack likes eating apples, oranges and bananas. Sometimes he eats some of his brother's apples. And his brother hits (打)him for that. He doesn't like Mike. This September he is going to school.It's the ninth day at school. Jack and his classmates are having a new lesson.

     "Jack, how much is five minus three, please?"

     "It's…it's…"

     "Now, listen to me," says the teacher, "If your sister has five apples, and you have eaten three of them…"

     "But I have no sisters." Jack says.

     "Oh, sorry. But do you have any brothers?"

     "Yes."

     "Now, if your brother has five apples, and you have eaten three of them, tell me how…?"

     "He'll certainly give me a good beating" Jack says quickly.

1. How many brothers and sisters does Jack have?

A. One brother and one sister.

B. One brother and two sisters.

C. Only one brother.

D. No brothers and no sisters.

2. Why does Mike sometimes hit Jack? Because _______.

A. Jack often hits Mike.

B. Jack doesn't like eating fruit

C. Jack doesn't do his homework

D. Jack often eats some of Mike's of apples

3. Why can't Jack answer his teacher's question? Because _______.

A. he has no sisters

B. he has no brothers

C. he doesn't understand his teacher's question

D. he has no apples

4. If you have five apples, you have eaten three of them, how many apples remain (剩下) _______.

A. two

B. three

C. four

D. one

5.When does the story happen (发生)?_______.

A. In October.

B. On the ninth day at school.

C. In a new lesson.

D. At school.

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