下图是2011-2014年我过货物出口额和进口额情况。由图可知,近年来我国( )
A:对外货物贸易顺差逐年扩大
B:对外货物贸易顺差逐年缩小
C:对外货物贸易逆差逐年扩大
D:对外货物贸易逆差逐年缩小
-- Do you know the: famous basketball player Kobe has said goodbye to the NBA?
-- Yes. I'm afraid l will see him on screen.
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(2016•福州)分解因式:x2﹣4=____.