中国宪法修正案在（）年确立私有财产的宪法地位。
A.2000
B.2002
C.2004
D.2006
参考答案：C
Keep an optimistic and positive attitude — Don't put yourself to any _____
A．mood
B．impression
C．effect
D．bother
12.4是4的31倍。[ ]
