全有机配方的高效稳定剂，一般使循环冷却水系统在pH值下（）运行。A、3～4 B、4～

对话填空。请认真阅读下面对话，并根据各题所给首字母的提示，写出一个英语单词的完整、正确

形式，使对话通顺。

N=Nicola A=Annie

N: Hi, Annie. Did you have a good holiday?

A: Oh, yeah, I had a great (1) t______. But I've to tell you-the most amazing thing happened.

N: (2) R______? What was that?

A: Well, I was swimming in the sea and a huge wave came along and (3) k______ my sunglasses into the

    water. I…

N: Why were you swimming in your sunglasses?

A: Oh, I don't know. I'd just (4) 1______ them on top of my head. I'd forgotten they were there. Anyway,

     they were (5)g______. I was very upset. You know they were quite expensive.

N: I remember-(6) n______ 100 pounds.

A: Yeah. Anyway, the new day I was lying on the beach, sunbathing.Then suddenly another huge wave …

N: Are you (7) s______ this was a good holiday?

A: Yeah-but listen! When I looked down, there on the sand, (8) r______ next to me, were my sunglasses.

     I couldn't (9) b______ my eyes!

N: You're (10) j______! That is amazing!

已知某项目建设期末贷款本利和累计1200万元，按照贷款协议，采用等额还本、利息照付方式分4年还清，年利率为6%，则第2年还本付息总额为( )万元。

A．348.09

B．354.00

C．372.00

D．900.00

急性肾衰竭时可出现的电解质紊乱是（）

A.高钠血症

B.高镁血症

C.高钙血症

D.高氯血症

E.低磷血症

The distinction between modified convexity and effective convexity is that:（）

A. effective convexity accounts for changes in cash flows due to embedded options, while modified convexity does not.

B. modified convexity becomes less accurate as the change in yield increases, but effective convexity corrects for this.

C. modified convexity is only meaningful for positive changes in yield, while effective convexity can be used for either positive or negative changes in yield.

下列关于咳嗽、咯痰的叙述，哪一点是不对的（）。

A、咳嗽是机体的一种防御功能

B、咳嗽伴有大量痰时不宜使用镇咳药

C、无痰干咳的患者不宜使用祛痰药

D、咳嗽初期应立即使用抗生素