单项选择题
M: I wish I hadn’t thrown away that reading list!W: I thought you might regret it. That’s why I picked it up from the waste paper basket and left it on the desk.Q: What do we learn from the conversation?()
A.The man regrets being absent-minded.B.The woman saved the man some trouble.C.The man placed the reading list on a desk.D.The woman emptied the waste paper basket.
多项选择题 设备及管道系统的防潮层常用的施工方法有()。
单项选择题 某妇36岁,孕2产1,自然流产后出现月经失调,9~10/20~21天,月经周期的第5天刮宫,子宫内膜活检可见少量的分泌期子宫内膜。对其诊断考虑为
单项选择题 工业安装工程质量验收的程序应按()的顺序依次进行。