【单选题】下面哪一项是关于宏观经济学的错误认识?()
【单选题】Jenny pushed the door again to ______ it ______.
A.
make sure if; was closed
B.
make sure that; was locked
C.
found out it; was shut
D.
find out that; was open
【判断题】统计表从内容上看可分为主词栏和宾词栏两部分( )
【简答题】已知,则的值为 .已知 ,则 的值为____.
【简答题】已知 ,则 的大小为( );已知 ,则 的大小为( )