题型:填空题 -Your backpack is so nice.-__________.[ ]A. Yes, it isB. You are rightC. No, it's notD. Thank you 查看答案
题型:填空题 下面程序的运行结果是( )。 #include" iostream.h" #define sum(a,b)a * b void main( ) { int x; x=sam(1+2,3); cout < < x; }A.0B.9C.7D.5 查看答案