、当抱闸松时，抱闸刹车的工作面间隙应调整在（）mm范围之间，不宜过大或过小。过大刹车

从题后方框中选出能填入空白处的最佳选项（有两项为多余选项）。

A: hello! May I speak to Jack please？

B: This is Jack speaking。小题1:_______________________

A:This is Sam. I called you last night, but there was no reply.

B: 小题2:__________________________ I bought something for my trip to Guangzhou.

A: Guangzhou? That’ where the 16th Asian Games was held. How lucky you are!

B: So I am. 小题3:___________________________

A: I’ll have a birthday party next Thursday. Would you like to come?

B: I’d love to, but I’m afraid I can’t come! 小题4:____________________________

A: What a pity that you can’t come! 小题5:_________________________________

B: thank you very much. Bye!

A: Bye!

A．Have a good time!

B．My plane will take off next Tuesday.

C．What were you doing?

D．I was shopping at that time.E. Who is that ?

F. I’ll stay there for a week.

G. What did you call me for?

根据《企业内部控制审计指引》，注册会计师可以接受委托对特定日期与会计报表相关的内部控制进行审计，其发表审计意见的对象是（）。

A.内部控制的合理性

B.内部控制的一贯性

C.内部控制的有效性

D.内部控制的完整性

流行病学最常用的指标是

A．发病率、死亡率、病死率

B．发病率、死亡率、患病率

C．治愈率、死亡率、流行率

D．发病率、出生率、罹患率

E．引入率、死亡率、续发率

误差分为（）和（）。

用附着式振捣器振捣的混凝土分层浇筑厚度是（）。

A.30cm

B.25cm

C.15cm

D.20cm