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【单选题】

Passage One
Since the industrial revolution, government, society, and industry have attempted to channel technological progress in useful directions. Whether it is the printing press, the cotton gin (轧棉机), the automobile or the Internet, technological innovations (创新) often have profound economic and social effects. To control the benefits and minimize the more harmful effects of new technologies, modern governments use four basic approaches: specific direction, market incentives (刺激), criminal prohibition and behavior modification.
Specific direction starts with governments identifying one or more key factors in the R&D phase. Then, using a variety of means ranging from administrative regulation to complete state Ownership, the government seeks to control the implementation of the technology.
Market incentives are the deliberate manipulation of the market by the government to control how a particularly technology is distributed and used. For example, some governments impose taxes to cover the hidden costs associated with the use of a particular technology. And also, some governments raise gasoline taxes to pay for highway improvements. Other methods include the granting of allowances to private researchers or the strengthening of intellectual property laws to give added allowances to developers.
Criminal prohibition usually takes place when strong opposition exists to a particular technology or field of research. In recent years, most developed countries have enacted legislation to ban the cloning of human beings. Other examples are the enforcement of clean air regulations that force power plants to emit fewer greenhouse gasses.
Finally, behavior modification includes the use of the media, advertising, and government and corporate leadership to encourage a particular society to use a technology in a beneficial way. Such campaigns do not use direct government regulation, but instead appeal to the user’s sense of civic duty or social responsibility.
Of all new technologies, perhaps none has changed the landscape and character of American life more than the automobile. Yet, the costs of this technology are not always reflected in the price of using the technology. For that, we must factor in the environmental costs associated with air pollution and the political costs. In short, in order to be effective, all of these strategies for channeling technology to benefit society must include all the costs associated with usage.
Specific direction is characterized by ______.

A.
government funding in R&D period
B.
complete centralization of power
C.
direct administrative interference
D.
identifying promising technology trends
题目标签:刺激轧棉机
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【多选题】刺激细胞增殖的因子有()

A.
肿瘤坏死因子 
B.
黏附因子 
C.
生长因子 
D.
细胞因子 
E.
激素神经递质 

【单选题】下列哪种物质不刺激胃液分泌

A.
生长抑素
B.
胃泌素
C.
组胺
D.
糖皮质激素

【单选题】感受域:是指人对于各种刺激所能感受的范围,亦即在感觉系统中.能够引起某一神经细胞或神经纤维反应的受刺激区域. 恨据上述定义,下列各项不涉及感受域的是:

A.
畜人在触觉上其有与正常视力的人所不同的特点
B.
小张觉得舅舅今天要来.不一会儿.舅舅果然来了
C.
在海洋深处.有些大型鱼类能发出人类听不见的各种声音
D.
小李在皮革厂工作,凭借手感他就可以区分人造皮和真皮

【单选题】非疼痛性刺激引发疼痛的是()

A.
感觉过度
B.
感觉过敏
C.
感觉缺失
D.
感觉异常
E.
感觉倒错

【单选题】Passage One Since the industrial revolution, government, society, and industry have attempted to channel technological progress in useful directions. Whether it is the printing press, th...

A.
use the four strategies flexibly in different situations
B.
strengthen the government’s control in each sector
C.
reflect the cost of technology as much as possible in application
D.
reduce the cost of technology to protect consumers’ interests

【单选题】ADH释放的有效刺激主要是()

A.
血浆晶体渗透压降低
B.
血浆晶体渗透压升高
C.
血浆胶体渗透压升高
D.
血浆胶体渗透压降低
E.
循环血量增加

【单选题】感受头部变速旋转刺激的是

A.
蜗管
B.
螺旋器
C.
壶腹嵴
D.
球囊斑和椭圆囊斑
E.
内淋巴