搜题请搜索小程序“爱下问搜题”
问题 单项选择题

砌砖工程采用铺浆法砌筑和施工期间气温超过30℃时，铺浆长度分别不得超过多少？（）

A.700mm，500mm

B.750mm，500mm

C.500mm，300mm

D.600mm，400mm

答案

参考答案：B

填空题

根据短文内容和汉语提示，写出短文空白处各单词的正确形式，每空限填一词。

     Thomas Edison was born on February 11, 1847. When he was a child, he always had a lot of questions

and started asking questions about  1  (如何) things worked. So his teachers didn't like him. They thought he

was kind of  2  (笨的) and many people didn't understand him, either. He was only in school for three months.

His mother  3   (教) him at home. His parents  4  (注意) he loved to read. They introduced him to the  5  (图书馆). He read many books there. The books  6  (使…感兴趣) him very much.  7  (在) the help of his parents,

he also built his lab by  8  (他自己). He  9  (发明) more than one thousand things,  10  (包括) the first silent

film, the light bulb, the record player and so on. He died on October 18,1931 at the age of 84.

查看答案
单项选择题

输注羟乙基淀粉代血浆时，下列哪项不是羟乙基淀粉代血浆的作用（）

A.增加血容量

B.维持胶体渗透压

C.补充细胞外液的电解质和提供碱储备

D.可引起急性肾功能不全

E.作为低血容量性休克的容量治疗及手术中扩容的常用制剂
查看答案