漏出是指那些没有用于总支出的剩余收入,如()。
A.储蓄
B.投资
C.税收
D.进口
参考答案:A, C, D
一个圆的周长增加10%,面积增加( )
A.10%
B.20%
C.21%
D.都不对
Learning _______ country's language is a better way knowing _______ culture behind it. [ ]
A. the; a
B. a; the
C. /; the
D. a; /