检测NK细胞不能采用的实验方法是() A.酶联免疫斑点实验 B.酶释法 C.放射性核

题型:单项选择题

问题:

检测NK细胞不能采用的实验方法是()

A.酶联免疫斑点实验

B.酶释法

C.放射性核素法

D.荧光分析法

E.电泳分析

考点:心理学心理学题库
题型:单项选择题

扣缴义务人应当( )内,按照所代扣、代收的税种,分别设置代扣代缴、代收代缴税款账簿。

A.自领取工商营业执照之日起15日

B.自税收法律、行政法规规定的扣缴义务发生之日起15日

C.自领取工商营业执照之日起10日

D.自税收法律、行政法规规定的扣缴义务发生之日起10日

题型:单项选择题

President Coolidge’s statement, “The business of America is business,” still points to an important truth today — that business institutions have more prestige (威望) in American society than any other kind of organization, including the government. Why do business institutions possess this great prestige?

One reason is that Americans view business as being more firmly based on the ideal of competition than other institutions in society. Since competition is seen as the major source of progress and prosperity by most Americans, competitive business institutions are respected. Competition is not only good in itself, it is the means by which other basic American values such as individual freedom, equality of opportunity, and hard work are protected.

Competition protects the freedom of the individual by ensuring that there is no monopoly (垄断) of power. In contrast to one all-powerful government, many businesses compete against each other for profits. Theoretically, if one business tries to take unfair advantage of its customers, it will lose to competing business which treats its customers more fairly. Where many businesses compete for the customers’ dollar, they cannot afford to treat them like inferiors or slaves.

A contrast is often made between business, which is competitive, and government, which is a monopoly. Because business is competitive, many Americans believe that it is more supportive of freedom than government, even though government leaders are elected by the people and business leaders are not. Many Americans believe, then, that competition is as important, or even more important, than democracy in preserving freedom.

Competition in business is also believed to strengthen the ideal of equality of opportunity. Competition is seen as an open and fair race where success goes to the swiftest person regardless of his or her social class background. Competitive success is commonly seen as the American alternative to social rank based on family background. Business is therefore viewed as an expression of the idea of equality of opportunity rather than the aristocratic (贵族的) idea of inherited privilege.

1. The statement “The business of America is business” probably means______.

A. America is a great power in world business

B. Business is of primary concern to Americans

C. The business institutions in America are concerned with commerce

D. Business problems are of great importance to the American government

2. Americans believe that they can realize their personal values only ______.

A. by protecting their individual freedom                        

B. when given equality of opportunity

C. by way of competition                                               

D. through doing business

3. Who can benefit from business competition?

A. People with ideals of equality and freedom.   

B. Both business institutions and government.

C. Honest businessmen.                             

D. Both businessmen and their customers.

4. Government is believed to differ strikingly from business in that government is characterized by ______.

A. its role in protecting basic American values                  

B. its absolute control of power

C. its democratic way of exercising leadership

D. its function in preserving personal freedom

5. It can be inferred from the passage that the author believes ______.

A. in many countries success often depends on one’s social status

B. businesses in other countries are not as competitive as those in America

C. American businesses are more democratic than those in other countries

D. Americans are more ambitious than people in other countries

题型:单项选择题

新生儿保健重点在生后

A.1周内
B.前2天
C.2周内
D.第1天
E.3周内

题型:单项选择题

6kV厂用电系统中短路冲击电流与下列哪项因素无关?()

A.厂用电源的短路冲击电流

B.电动机的反馈冲击电流

C.电动机的冲击系数

D.继电保护整定时间

题型:单项选择题

在PowerPoint中,可以通过设置放映方式,来设置三种幻灯片放映类型,它们分别是:演讲者放映,观众自行浏览和()

A.自定义动画放映

B.在展台浏览

C.幻灯片切换放映

D.联机版式放映

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