进度计划控制工作中,()应当定期地.经常地收集由承包单位提交的有关进度报表资料。
A.建设单位
B.监理单位
C.检验单位
D.审计单位
参考答案:B
情景交际,补全对话
A: Hi, Jack. How was your winter holiday?
B: Not very good.
A: 1________?
B: I planned to go to Hunan for my holiday. But it snowed hard there, so I had to stay at home.
A: 2________! Then what did you do at home?
B: I only did my homework every day. It was so boring. 3 ______, Bob?
A: Oh, I went to Harbin.
B: It's great.4 ?
A: It was very cold and sometimes it snowed.
B: 5________?
A: Yes, I had great fun.
1._______ 2._______ 3._______ 4._______ 5._______
下列不能作为苯分子中碳原子间的化学键是一种介于C-C和C=C之间的特殊的化学键的依据的是
A.苯不能使溴水褪色
B.苯不能被酸性高锰酸钾溶液褪色
C.邻二甲苯没有同分异构体
D.苯分子中6个C原子共平面