38_____A.onceB.ifC.becauseD.though
38_____
A.once
B.if
C.because
D.though
相关考题:
下面能表示a不等于0的关系是()。A.if(a<>0)B.if(!a)C.if(!a=0)D.if(a)
38_____
A.once
B.if
C.because
D.though