钢结构制作和安装单位应按规范规定,分别进行高强度螺栓连接摩擦面的( )试验和复验,

题型:单项选择题

问题:

钢结构制作和安装单位应按规范规定,分别进行高强度螺栓连接摩擦面的( )试验和复验,其结果应符合设计要求。

A.抗拉力

B.扭矩系数

C.紧固轴力

D.抗滑移系数

考点:一级建造师建筑工程建筑工程管理与实务
题型:单项选择题

阅读理解:阅读下面短文,然后从各小题所给的四个选项中选出最佳选项。

       John Denver was born on December 31, 1943, in New Mexico, the USA. He was one of the most

popular singers during the 1970s.

       With  his  grandmother'S encouragement  (鼓励),Denver began to learn how to play the guitar at the

age of 12, At first, he was a songwriter. Denver began to be a singer in 1969. In 1973, he was successful

in one of his songs Take Me Home, Country Roads. It is popular both in the US and in the UK.

       The most successful year for him was 1975. He became really popular. Later, he tried some other

things like 'opera and films. He died in October, 1997 in a plane crash (坠落). He was flying in his own

plane over the Pacific Ocean  (太平洋). The plane

crashed into the ocean.

1. Where was John Denver born?

A. In Italy.

B. In America.

C. In China:

D. In England.

2. When did John Denver start to sing?       

A. In 1969.

B. In 1943.

C. In 1975.

D. In 1997.

3. Who encouraged  John Denver to play the guitar? 

A. His grandfather.

B. His parents.

C. His aunt.

D. His grandmother.

4. John Denver tried some other things like ____ after 1975.

A. violin and opera

B. piano and films

C. opera and films

D. guitar and opera

5. How did John Denver die? 

A. He died in a car accident.

B. He died in a plane crash.

C. He died in a movie.

D. We don't know.

题型:单项选择题

社会调查研究方案可行性研究的常用方法大致有逻辑分析、经验判断和()三种。

题型:单项选择题

请按要求完成下面的作文(60分)

话题作文:请以“中秋节”为话题作文

要求:

2、 题目自拟

2、立意自定

3、文体自选

4、不低于800字

5、不得出现真实的人名、校名

题型:单项选择题

气体灭火系统阀驱动装置为重力式机械驱动装置时,应保证重物在下落行程中无阻挡,其下落行程应保证驱动所需距离,且不得小于()。

A、15mm

B、20mm

C、25mm

D、30mm

题型:单项选择题

有关“溶解度”的说法错误的是(  )

A.溶解度可以定量描述物质的溶解性

B.60℃时,氢氧化钙饱和溶液的浓度可能比不饱和溶液的浓度小

C.根据20℃时物质的溶解度,可将物质划分为:易溶、可溶、微溶和难溶物质

D.60℃时硝酸钾的溶解度为110g/100g水,则任意一杯60℃的硝酸钾饱和溶液中,水和硝酸钾的质量比都为10:11

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