配制混凝土用砂的要求采用( )的砂。A．空隙率较小 B．总表面积较小 C．空隙率和 发布时间：2017-12-21 18:35 │ 来源：www.tikuol.com 题型：单项选择题 问题： 配制混凝土用砂的要求采用( )的砂。A．空隙率较小B．总表面积较小C．空隙率和总表面积都较小D．总表面积较大
题型：单项选择题 从方框中选择合适的选项完成对话。 Kim: I, Tim, 1 Tim: It was fantastic, really fantastic. Kim: Did you go to the zoo? Tim: 2 1 went to the aquarium. Look, here are my photos. Kim: Were there any sharks? Tim: No, there weren't any sharks, but there were some really clever seals. Kim: Wow, 3 4 Tim: Well, I hung out with some friends and I bought a souvenir.A. that sounds wonderful. B. How was your school trip? C. No, I didn't. D. What else did you do? 查看答案
题型：单项选择题 根据国家计委1999年公布的《建设项目前期工作咨询收费暂行规定》，投资额为10亿元～50亿元的项目，评估可行性研究报告收费为( )万元。A．15～20B．20～25C．25～36D．36～50 查看答案
题型：单项选择题 下列语句错误的是( )。A．char*p="John"；p[2]='a'；B．char name[5]="John"；name[2]='a'C．char name[5]="John",*p=name；p[2]='a'；D．charname[5]="John"，*p=&name[2]；*p='a'； 查看答案