营销渠道按场所分类，可分为（）。

The world is full of new horrors and there's no place to hide. Who says so? Disaster psychologists, for a start. They are the people who take in the big picture of our collective reactions to human-created disaster, the ways these reactions are caused, and our coping mechanisms. And research into disaster psychology is growing fast. Among the big issues being addressed by these researchers are understanding the terrorists' weapons, assessing the full impact of terrorism—and, crucially, working out which psychological approaches actually work. It's a deeply controversial area. Take the work of Dennis Embry as an example. He argues that we have overlooked the obvious: the purpose of terrorism is to create terror. This works best 'if the very symbols of everyday life become conditioned fear and anxiety stimulant'. The top targets will be the most symbolic of a nation's daily life, preferably served up for prime-time television. Crashing planes from United and American Airlines into the Twin Towers and the Pentagon met those objectives all too perfectly. After the attacks, people stopped flying. Why? Not because they had made a rational risk assessment but because the mere thought of flying made their palms sweat. From terrorism to rail crashes, counseling and 'debriefing' (盘问) are the standard response to help those caught up in disasters. But there are growing doubts about their effectiveness. What might be going wrong? Debriefing focuses on getting people to talk through the trauma (损伤) and its emotional consequences soon after the incident. Could it be that some people are better by distancing themselves from what happened, rather than retelling it? If disaster psychologists want to find better ways to help, they'll have to win the race between our understanding of human psychology and the terrorists'.Disaster psychology refers to the study of how to______.A．avoid human-created disastersB．cope with human reactions to disastersC．reduce the worst natural disastersD．prevent growing terrorism

A.
B.
C.
D.
Disaster
E.
A．avoid
F.cope
G.reduce
H.prevent

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论信息系统建设的网络规划 网络规划在信息系统建设中占有重要地位，一方面要满足信息系统的应用需求；另一方面受到信息系统覆盖的地理空间范围、资金和其他资源约束。既要满足当前信息系统的需要，又要满足未来发展的需要，即网络规划方案不仅要有实用性，而且还要有扩展性。 请围绕“信息系统建设的网络规划”论题，依次从以下3个方面进行论述。 1．概要叙述你参与规划、设计的信息系统的应用需求及你在其中所担任的主要工作。 2．深入论述你参与设计的信息系统网络规划主要涉及哪些方面?这些方面是如何满足信息系统应用需求并且具有实用性和扩展性? 3．简要叙述你参与的信息系统的网络规划方案中，除了实用性和扩展性外，方案中还有哪些特性需要考虑? 点击查看答案