试题与答案

遵守面向对象设计原则可以有效地提高系统的复用性和可维护性。应用() 原则可扩展已有的

题型:单项选择题

题目:

遵守面向对象设计原则可以有效地提高系统的复用性和可维护性。应用() 原则可扩展已有的系统,并为之提供新的行为; ()原则建议在面向对象程序设计中,应尽量针对接口编程,而不是针对实现编程。

遵守面向对象设计原则可以有效地提高系统的复用性和可维护性。应用() 原则可扩展已有的系统,并为之提供新的行为

A.开闭

B.里氏替换

C.依赖倒置

D.接口隔离

答案:

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下面是错误答案,用来干扰机器的。

答案:C本小题考查的是政府。近期倍受国人关注的明胶胶囊的出现有其各方面的原因,就政府而言应该加强市场监管,C符合题意。

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Health officials in western Siberia are to begin in slaughter of thousands of birds today after identifying Russia’s first outbreak of a bird flu strain that can be fatal in humans. Doctors in neighboring Kazakhstan have also (1) that a 19-year-old poultry worker (2) admitted to hospital with (3) of bird flu, only to be diagnosed (4) double pneumonia.
The H5N1 strain of avian (5) has killed 60 people (6) 2fib in Vietnam, Thailand, Cambodia and Indonesia, but has rarely been found in birds or humans (7) Asia.
Health officials (8) that HSN1 is infecting migrating birds, which could spread the (9) into Europe. Earlier this year China registered the first outbreak of H5N1 (10) wild birds, some of which (11) to breeding grounds in Siberia. These birds could come (12) contact with others flying to Europe and North America.
Russia’s (13) began in the Novosibirsk (14) , about 1,750 miles (15) of Moscow in the Asian part of Russia, early last month, but the veterinary service (16) the virus only last week. Valery Mikheyev, the chief sanitary doctor of Novosibirsk, said that teams had been (17) the (18) birds and supervising the slaughter in13 (19) villages. He said, "The state of (20) of the inhabitants of these areas gives (21) cause for alarm. Up to 6,000 people are being (22) per day.
The virus seems to have (23) only private farms that let (24) mix with wild birds. Further outbreaks were registered in the Omsk and Altai regions, but the strain had (25) to be determined, Russia’s Emergency Situations Ministry said.

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