患者，女，46岁，平素易头晕、头痛、眼花、乏力，近日出现多尿症状，尤以夜尿多为主，8

Why is convexity a good thing for a bond holder Because when compared to a low convexity bonds a high convexity bond:（）

A. has better price changes regardless of the direction of the yield change.

B. is more sensitive to interest rate changes, increasing the potential payoff.

C. has improved estimation of price changes.

从括号内所给单词的适当形式填空。

1. They are twins,but there are a few_________ (different)between them.

2. We all think it's important to stay_________ (health)..

3. The l6th_________ (Asia)Games was held on November l2,2010 in Guangzhou.

4. Lin Peng is a little_________ (outgoing)than me.

5. We were all_________ (excite)when we knew our basketball team won the gold medal.

患者，男性，35岁，两个月前感冒后开始间断发热，发热时伴寒战，应用抗生素治疗可控制体温，但停药后体温再次升高。以往查体有心脏杂音史。

感染性心内膜炎最常见的死亡原因是（）

A.脑栓塞

B.细菌性动脉瘤破裂

C.心力衰竭

D.肾功能不全

E.脾破裂

F.心律失常

—Mum, it’s fine today. I want to skate on the lake.

—Don’t you think the ice is too thin to _______ your weight?

A．accept

B．catch

C．bear

D．take

工程咨询业是( )产业。

A．第一

B．第二

C．第三

D．一种独立