问题 单项选择题

【背景资料】某建筑工程,建筑面积24642㎡,地上10层,地下2层(地下水位-2.0m)。主体结构为非预应力现浇混凝土框架剪力墙结构(柱网为9m×9m,局部柱距为6m),抗震设防烈度7度。梁、柱受力钢筋为HRB335。结构主体地下室外墙采用P8防水混凝土浇筑,墙厚250mm,钢筋净距60mm,混凝土为商品混凝土。一、二层柱混凝土强度等级为C40,以上各层柱为C30。 

情形1:施工过程中,施工单位进场的一批水泥经检验其初凝时间不符合要求,另外由于工期要求很紧,地下室外墙施工不得不在气温只有-3℃时进行。 

情形2:钢筋工程施工时,发现梁、柱钢筋的接头采用挤压连接,有位于梁、柱端箍筋加密区的情况。在现场留取接头试件样本时,是以同一层每600个为一验收批,并按规定抽取试件样本进行合格性检验。 

情形3:结构主体地下室外墙防水混凝土浇筑过程中,现场对粗骨料的最大粒径进行了检测,检测结果为40mm。 

请根据背景资料完成相应小题选项,其中判断题二选一(A、B选项),单选题四选一(A、B、C、D选项),多选题四选二或三(A、B、C、D选项)。不选、多选、少选、错选均不得分。 

本工程基础混凝土应优先选用()。

A、矿渣硅酸盐水泥 

B、火山灰硅酸盐水泥 

C、粉煤灰硅酸盐水泥 

D、普通硅酸盐水泥

答案

参考答案:D

阅读理解

阅读理解。

     Most people want to make friends. And the following steps may help you.

     Be friendly. You need to be friendly so that people feel good when they are with you. You should often use

body language to make them know that you are friendly. Smile and laugh often.

     Be a good listener. Listen carefully when people are talking, remember important things about them (their

names, their likes and dislikes), and just take time to learn more about them.

     The steps above are useful for making new friends. But how about making lifelong (毕生的) friends?

     Be trustworthy (可信赖的). The key to being a good friend is to keep secrets (秘密). If other people ask

you to keep something a secret, you should not tell anyone else about it. When you say you'll do something,

be sure to do it.

     Be there. If a friend needs help, or if he or she just need a shoulder (肩膀) to cry on, be there.

1. Smiling and laughing is a best way to show that you are _____ others.

A. friendly to

B. interested in

C. happy with

2. A good listener can _____ information.

A. talk with others and learn useful

B. listen carefully and ask about

C. listen carefully and remember useful

3. If you _____, you will lose this friend.

A. don't smile or laugh to your friend

B. tell your friend's secret to others

C. don't listen to your friend carefully .

4. "Be there" probably means "_____".

A. Go there

B. Stay there

C. Be ready to help

5. The best title (题目) probable be "_____".

A. How to make friends

B. How to know friends

C. How to show yourself

单项选择题