A client with a history of alcoholism retu

历史课上李华总结了促进唐朝经济繁荣的各种因 素，其中表述 错误的一项[ ]

A．先进的生产工具

B．安定的政治环境

C．人民的辛勤劳动

D．人口的增长、疆域的开拓

下列不属于化学性消毒方法的是（）。

A.含氯化合物消毒

B.醇类消毒

C.辐射消毒

D.过氧化物消毒

E.酸类消毒

患者男性，36岁，因阵发性心动过速住院，过去健康，无心电图记录。入院时血压100／60mmHg，心率170次／分，心电图示宽QRS心动过速。可予以的措施不包括（）。

A.用毛花苷C静脉推注

B.普罗帕酮静脉推注

C.胺碘酮静脉推注

D.可予食管调搏行超速抑制

E.必要时可用100～150W直流电复律

An American option is more valuable than a European option on the same dividend paying stock with the same terms because the:()

A. European option contract is not adjusted for stock splits and stock dividends and does not conform to the Black-Scholes model and is often mispriced. 

B. American option can be exercised from date of purchase until expiration, but the European option can be exercised only at expiration. 

C. American options are traded on U. S. exchanges, which offer much more volume and liquidity.

“程序保护开关”是（）开关，用于防止破坏内存程序。

A.钥匙

B.空气

C.限位

D.行程