钢筋加工包括（）内容。
A.除锈
B.气割
C.切断、接长
D.弯曲成型
参考答案：A, C, D
—Reading in the sun is _____ your eyes. You'd better not do that.
—Sorry, I won't.
A. good for
B. good at
C. bad for
下列变量定义中，正确的是
A．long 1=123L
B．long 1=3.14156f
C．int i="k"
D．double d=1.55989E2f
