《招标投标法》规定，招标投标基本程序中的最后环节是( )。
A．评标
B．中标
C．签订合同
D．解标
参考答案：C
补全对话。
A: (1)_______ play computer games!
B: That sounds (2)_______, but I don't have a computer.
A: Well, do you have a (3)_______?
B: Yes. But volleyball is so difficult.
A: Let's (4)_______ TV.
B: Oh, No! That sounds (5)_______. Let's play soccer! Do you have a (6)_______ (7) _______?
A: No, I don't.
B: Well, what about basketball?
A: I have a basketball. Let's (8)_______ (9)_______!
B: That (10)_______ fun.
《钢轨探伤管理规则》规定，探伤仪缺陷检出能力至少每（）检测一次。
A、周
B、月
C、季度
D、年度
