可作为吗啡成瘾者戒毒药的是A．美加明 B．二氮嗪 C．肼苯哒嗪 D．可乐定 E．普萘

缓冲阀的作用是（）油液的流量，使农具缓慢下降。

绿豆汤罐头，由绿豆煮熟并加糖制成，含固形物约35%

—_______ is your mother?    

—She is fifty.  [ ]

A. How    

B. What  

C. How old  

D. Where

Under the Companies Ordinance, 1984:

(b) identify the persons or entities who may apply to the court for compulsory winding up of a company. (5 marks)

Which of the following is least likely the reason that floating rate bonds may trade at prices different from their par values（）

A. Resetting interest rates makes floating rate bonds more susceptible to the price risk that results from changing interest rates.

B. A time lag exists between the rate change in the market and the time when the coupon rate is reset.

C. The fixed quoted margin on the floating rate security may differ from the margin required by the market.