【单选题】气囊法适用于现场测定最大粒径小于( )mm的土的密度。
【单选题】—Is it true that Aaron refused an offer from Cambridge University yesterday? —Yeah, but I have no idea ______ he did it; that’s one of his favorite universities.
【单选题】—Is it true that Mike refused an offer from Yale University yesterday? --Yeah, but I have no idea __he did it, that’s one of his favourite universities.
【单选题】当一个人的收入增多,他花在一种商品上的收入份额减少,这种商品需求收入弹性( )。
【判断题】Z3050 摇臂钻床由于摇臂升降电动机采用的是短时工作制,因此不需要用热继电器进行过载保护。 ( )
【单选题】They were still living in Paris two years ago, but I have no idea where they ________ now.
【判断题】有一份批复的开头写道:“贵局X劳发〔2011〕32号请示收悉。”( )
【单选题】根据id在用户表中找到对应用户的内容,如何用sql语句实现?
B.
select * from 用户表 where id=对应id
C.
update * from 用户表 id=对应id
【判断题】有一份批复的开头写道:“贵局×劳发〔××××〕32号请示收悉。”