当钢中含磷量超标时能使钢（）加剧。
A.热脆性
B.冷脆性
C.热脆性和冷脆性
D.脆性
参考答案：B
9．When ______ at the ticket office, my brother and I found we didn’t have enough money to buy tickets for ______ of us.
A．arrived; the two
B．arrived; two
C．arriving; the two
D．arriving; two
测评前对测评标准广泛征求群众意见是属于选拔任用程序的（）
A.确定、公布选拔任用条件
B.民主测评
C.民主推荐
D.讨论决定
E.竞争考核
