问题 单项选择题

××厂,油污法兰损坏需维修。维修钳工甲将带有污油底阀的污油管线放入污油池内,当时污油池液面高度为500cm,上面浮有30cm的浮油。在液面上的100cm处需对法兰进行更换,班长乙决定采用对接焊接方式。电焊工丙去办理动火票,钳工甲见焊工丙办理动火手续迟迟没回,便开始焊接,结果发生油气爆炸,钳工甲掉入污油池死亡。
请根据以上情景,回答下列问题。1~3题为单选题,4~7题为多选题。请将正确答案代码填写到题干括号内。

焊接人员必须具备( )。

A.懂得防火知识

B.懂得防爆知识

C.焊工作业证

D.经过培训

答案

参考答案:C

解答题
阅读理解

Introductory Chemistry was taught at Duke University for many years by professor Bonk. One year, two guys took the class and did pretty well on all the quizzes and mid-terms. They each had a solid A. These two friends were so confident in going into the final that the weekend before finals week, despite the Chemistry final being on Monday, they decided to go to the University of Virginia to party with some friends.

They had a great time there. However, with their hangovers(宿醉)and tiredness, they overslept all day Sunday and didn’t make it back to Duke until early Monday morning. Rather than taking the final then, they found professor Bonk after the final and explained to him how they missed the final. They told him they went up to the University of Virginia for the weekend and had planned to come back in time to study, but they had a flat tire on the way back and didn’t have a spare. So they were late getting back to campus.

Bonk thought this over and agreed that they could take the final the following day. The two guys, happy and relieved, studied that night and went in the next day at the time that Bonk had told them. He placed them in separate rooms and handed each of them a test booklet. He told them to begin.

They looked at the first problem which was something simple about solution(溶解). It was worth 5 points. “Cool,” they thought, “this is going to be an easy final”. They then turned the page. They were unprepared, however, for what they saw on it. The question contained only two words: (95 points) Which tire?

小题1: The two guys decided to go to the University of Virginia because ________.

A.they were afraid of the final

B.there was a party there

C.the final would be held there

D.they thought they can pass the final easily小题2:From the passage we know ________.

A.the two guys came back to campus late on purpose

B.Bonk wasn’t strict with the two guys

C.repairing the flat tire took the two guys a lot of time

D.Bonk didn’t believe the two guys’ explanation小题3: After the final, they ________.

A.may apology to professor Bonk

B.must have the same scores

C.wouldn’t be confident in their Chemistry

D.would feel happy and relieved小题4:From the passage we can get a lesson that ________.

A.he who makes no mistakes makes nothing

B.he is wise that is honest

C.one never loses anything by politeness

D.think twice before you do