【单选题】When _____ why he walked in _____ permission, he just _____ at us and said nothing.
B.
been asked;with;looked
D.
to be asking;with;laughed
【简答题】-- Can you persuade your brother to go with us? --- No, he will never do ______ he is asked to. A. whatever B whenever C. however D. whichever
【单选题】He asked us _______.
A.
what she doing at eight last night
B.
what was he doing at eight last night
C.
what we were doing at eight last night
D.
what were we doing at eight last night
【单选题】粉体混合时颗粒大规模随机移动的混合机理是下列哪一个()
【简答题】He asked us to assist them in___________(实施) their plan.
【单选题】记录SQL Server实例的所有系统级信息的数据库是( )。
【单选题】记录了SQL Server实例所有系统级信息的数据库是( )。
【简答题】微生物的特点有哪些?其中最基本的是哪一个?为什么?