以5或10为间隔选择（）号，以便以后插入程序段时不会改变程序段号的顺序。A.字母 B

王先生，55岁，全麻术后未清醒，突然出现鼾声，这是什么问题

A．呼吸道痰堵

B．喉痉挛

C．以上都不是

D．舌后坠

E．即将醒来

Look! There are _____ pictures on the wall.[ ]

A. any

B. some

C. much

D. both

比功率的概念是什么？其大小说明什么？

An analyst determined that if interest rates increase 120 basis points the price of a bond would be $89.7, but if interest rate decreases 120 basic points the price that bond would he $99.3. If the initial price of the bond is $95.4, the approximate percentage price change for a 100 basis point change in yield is closest to:（）

A. 2.5%.

B. 4.2%.

C. 8.4%.

股票交易的第一步是（）。

A.委托

B.清算交割

C.开户

D.竞价