在福莱特看来,群体过程的核心就是( )
A.指挥
B.让步
C.创造
D.控制
参考答案:C
— Bob! How is your project? I heard you started it last Friday, right?
— Oh! I_____ for it. But I haven't decided when to do it. [ ]
A. have prepared
B. had prepared
C. have been preparing
D. was preparing
十进制的9转化成八进制数是()。
A.11
B.1001
C.9
D.001001