某化工厂一项容器安装工程由某机电公司负责。设计压力为1.6MPa；_爱下问搜题

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问题单项选择题

某化工厂一项容器安装工程由某机电公司负责。设计压力为1.6MPa；机电公司项目部认真编制了施工组织设计。在施工方案中明确：除个别部位采用手工外，其余全部采用自动焊接；部分容器需要进行绝热保温；容器施工完毕后进行充水试验，并对罐底焊缝进行致密性试验，无质量安全问题后投入使用。

立缝气电焊的焊接效率为手工焊的（）倍。

A．2～3

B．20～30

C．5

D．10～20

答案

参考答案：B

完形填空

完形填空（共20小题每小题1.5分满分30分）
阅读下面短文，掌握其大意，然后从各题所给的四个选项中，选出最佳答案。
Recently, I stopped by a convenience store to get a newspaper and a bottle of drink. The young woman at the check-out counter said, "That'll be five dollars   1  please," She then   2  down at the paper I was   3 and said, "I'm sick and   4  all this negative (消极的) stuff on the front   5 . I want to read some   6  news for a change." She then said, "In fact, I think someone should just   7  a Good News newspaper — a paper with wonderful, inspirational   8  about people overcoming difficulty and doing good things for   9 . I'd buy one every day!" She then   10  me for coming in and said, " Maybe we'll get some good news," and she laughed. She made my day.The following day after my business appointments, I   11  the same store again to   12  bottled water and a piece of newspaper, but a   13  young lady was behind the counter. As I checked out I said, "Good afternoon" and handed her my   14  . She said nothing — not a word, not a smile or not a gesture. She just handed me my change and   15 a negative tone ordered…"Next!"
It hit me right between the eyes: Two people, the same age;   16  made me feel great, and the other, well, made me feel that I had inconvenienced her by   17 .
Every morning, you should ask   18  this important question: "Who do I want
to be today? 'The Grouch (不高兴的人)' or 'The Good News Girl'"? Your answer will do great good to   19  the joy and happiness that you will experience in your   20  .

B．interested in

C．concerned about

D．interesting

D．experiences

C．appreciated

B．dropped off

D．showing off

B．determining

D．guaranteeing

单项选择题

甲、乙、丙、丁四人在一起议论本班同学申请建行学生贷款的情况。
甲说：“我班所有同学都已申请了贷款。”
乙说：“如果班长申请了贷款，那么学习委员就没申请。”
丙说：“班长申请了贷款。”
丁说：“我班有人没有申请贷款。”
已知四人中只有一人说假话，则可推出以下哪项结论( )

A．甲说假话，班长没申请。
B．乙说假话，学习委员没申请。
C．丙说假话，班长没申请。
D．丁说假话，学习委员申请了。
E．甲说假话，学习委员没申请。