【单选题】Translate the following sentence into English. “有些支出,如广告支出和职工培训费用,很难客观地估计其受益期间。”
A.
For some expenditure, such as those for advertising or employee training programs, it is not possible to estimate objectively the number of accounting period over which revenue is likely to be produced.
B.
Such as those for advertising or employee training programs, it is not possible to estimate objectively the number of accounting period over which revenue is likely to be produced.
C.
For some expenditure, such as those for advertising or employ training programs, it is not possible to estimate objectively the number of accounting period over which revenue is likely to be produced.
【简答题】对于缩写词 X. 25,ISDN、PSTN和DDN,分别表示的是()。 A. 数字数据网、公用电话交换网、分组交换网、帧中继 B. 分组交换网、综合业务数字网、公用电话交换网、数字数据网 C. 帧中继、分组交换网、数字数据网、公用电话交换网 D. 分组交换网、公用电话交换网、数字数据网、帧中继