多项选择题

神经骨骼肌接头处递质的释放

A.通过出胞作用
B.需要消耗能量
C.通常是量子性释放
D.需要Ca2+
E.不受任何因素影响
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多项选择题
当前风险和理想风险的关系是( )
A.\"当前风险\"是根据当前的危险因素状况，计算出未来若干年内发生某种疾病的风险
B.\"理想风险\"是指控制各项可改变的危险因素后，计算出未来若干年内发生某种疾病的风险
C.\"当前风险\"和\"理想风险\"之间差值越小，则受评估者的健康状况越差
D.\"当前风险\"和\"理想风险\"之间差值，即是受评估者的健康改善空间
E.\"当前风险\"和\"理想风险\"之间差值越大，则受评估者的健康改善空间就越大
单项选择题
Media and Current EventsThe media can impact current events. As a graduate student at Berkeley in the 1960s, I remember experiencing the events related to the People’s park that were occurring on campus. Some of these events were given national media coverage in the press and on TV. I found it interesting to compare my impressions of what was going on with perceptions obtained from the new mediA.I could begin to see events of that time feed on news coveragE.This also provided me with some healthy insights into the distinctions between these realities.Electronic media are having a treater impact on the people’s lives every day. People gather more and more of their impressions from representations. Television and telephone communications are linking people to a gloable village,or what one writer calls the electronic city. Consider the information that televison trings into your home everyday. Consider also the contact you have with others simply by using telephonE.These media extend your conscious-ness and your contact. For example, the video coverage of the 1989 San Francisco earthquake focused on “live action”such as the fires for the rescue efforts. This gave the riewer the impression of total. Disaster. Television coverage of the Iraqi War also developed an immediacy. CNN reported events as they happeneD.This coverage was distributed worldwidE.Although most people were far away from these events, they developed some perception of these realities.In 1992, many people watched in horror as riots broke out on a sad Wednesday evening in Los Angeles,seemingly fed by video coverage from helicopters. This events was triggered by the verdict(裁定)in the Rodney King beating. We are now in an age where the public can have access to information that enables it to make its own judgments, and most people, who had seen the video of this beating, could not understand how the jury(陪审团)was able to acquit (宣布无罪) the policemen involveD.Media coverage of events as they occur also provides powerful feedback that influences events. This can have harmful results, as it seemed on that Wednesday night in Los Angeles. By Friday night the public got to see Rodney King on television pleading,“Can we all get along?” By Saturday, television seemed to provide positive feedback as the Los Angeles riot turned out into a rally for peacE.The television showed thousands of people marching with banners and cleaning tools.Because of that, many more people turned out to join the peaceful event they saw unfolding(展开)on television. The real healing, of course, will take much longer, but electronic media will continue to be a part of that process.第36题 The best title for the passage is .A The 1992 Los Angeles RiotsB The Impact of Media On Current EventsC The 1989 San Francisco Earthquake and 1992 Los Angeles RiotsD How Media Cover Events
A.Electronic
B.
In
C.
Media
D.
Because
E.
第36题
F.
A
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