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现采用4级流水线结构分别完成一条指令的取指、指令译码和取数、运算以及送回运算结果4个基本操作，每步操作时间依次为60ns、100ns、50ns和 70ns。该流水线的操作周期应为(1)ns。若有一小段程序需要用20条基本指令完成(这些指令完全适合于流水线上执行)，则得到的第一条指令 结果需(2)ns，完成该段程序需(3)ns。在流水线结构的计算机中，频繁执行(4)指令时会严重影响机器的效率。当有中断请 求发生时，采用不精确断点法，则将(5)。

空白（4）处应选择（）

A.条件转移

B.无条件转移

C.算术运算

D.访问存储器

答案

参考答案：A

单项选择题

被视为克服“市场失灵”最有效机制的社会组织是( )

A．股份制公司

B．公共部门

C．政府

D．第三部门
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填空题

A Accommodation 住宿

One is never at a loss for a place to (1) in Malaysia．The country’s cities and major towns have a (2)  range of accommodation to suit all tastes and budgets. Most international (3)  hotels cater to total living requirements and as such, one (4) easily find restaurants, entertainment outlets and fitness centres within the (5)  complex.

Several resort hotels even have adjoining golf courses and (6)  parks with special privileges accorded to hotel guests. Family outings (7)  these hotels can be a practical yet fun-filled activity. Guests (8)  on longer stays may appreciate the serviced apartments situated within (9)  major cities.

Malaysia is also an excellent destination for romantic getaways， (10)  for honeymooners seeking an idyllic tropical retreat with (11) amenities. The country’s award-winning island resorts are paradises waiting to be (12)

For budget-conscious tourists, there is an array of accommodations located (13)  to amenities and tourist attractions. Budget accommodations in Malaysia are (14)  according to the Orchid Classification Scheme and include hostels, bed (15)  breakfast establishments, inns, boarding houses, rest houses and lodging houses (16)  Orchid rating is awarded to tourist accommodations offering basic facilities (17)  well as safe and clean premises.

Adventurous souls can try (18)  the innumerable value-for-money kampung-style chalets located along popular beaches. Nature (19)  seeking communion with nature in Malaysia’s world-famous nature parks such (20) Taman Negara will be amazed by the easy availability of chalets with modern facilities in these areas.

14.（）
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