拆卸与运输设备时,钻机在车盘上必须捆绑结实,可以超高或超长。
参考答案:错
—Let's eat out this evening.
—______ Have you got the first prize in the speech competition?
A. Why not?
B. What for?
C. Yes, I'd love to.
D. Thank you very much.
若有以下定义和语句union data { int i; char C; float f;}X;int Y;则以下语句正确的是【 】。
A.x=10.5;
B.x.C=101:
C.Y=x;
D.printf("%d\n",x);