【判断题】一个账套只能设定一个账套主管,账套主管自动拥有该账套的所有权限。( )
【简答题】China is taking up a(n) _______(important) position in the world than before.
【单选题】对于承包单位提出的工程变更要求,总监理工程师在签发《工程变更单》之前,应就工程变更引起的工期改变和费用增减( )。
【单选题】What does the man need to do before taking the course in Poets of the 1960s?
A.
To give up his cafeteria work.
B.
To sign up for the class.
C.
To pay tuition for the class.
D.
To take an Introduction to Poetry.
【单选题】化疗药物的LD50/ED50的比值意义是
【判断题】在总监理工程师签发工程变更单之前,承包单位根据实际工程情况可以实施工程变更。( )