以下各项中，不属于战略适宜性分析的有( )。 A．生命周期分析 B．市场销售力分

It is said that dogs will keep you _________for as long as you want when you are feeling lonely．

A．safety

B．company

C．house

D．friend

解释词语。

搜索枯肠___________________________

险峻___________________________

骚人___________________________

婵娟___________________________

绚丽___________________________

铭刻___________________________

下列除哪项外，指下均有脉气紧张之感觉（）

A.弦

B.紧

C.长

D.革

E.牢

从工作的角度看操作系统，可以分为单用户系统、批处理系统和______。

A．单机操作系统

B．分时操作系统

C．面向过程的操作系统

D．网络操作系统

His business prospered and he became a person of means. Yet, despite his great riches, he gave no arms to the needy and no thanks to his benefactors whose savings （） to his welfare.

A. had contributed

B. contributed

C. were contributed

D. did contribute