—Can you come to my party on Tuesday evening?
—_______ But I'm busy studying for my test.
A:Don't mention it.
B:I'd love to.
C:That's all right.
D:My pleasure.
2015年前三季度,我国实际使用外资金额949亿美元,累计对外投资额873亿美元。这表明,我国在对外开放中( )
计算: |−312|×(12−13)×127÷32×(−3)2÷(−3)