Humans are unique in the extent to which they can reflect on themselves and others. Humans are able to (21) , to think in abstract terms, to reflect on the future. A meaningless, (22) world is an insecure world. We do not like extensive insecurity. When it (23) to human behavior we infer meaning and (24) to make the behavior understandable.
(25) all this means is that people develop "quasi theories" of human behavior, that is, theories that are not developed in a(an) (26) , scientific manner. When doing so, people believe they know (27) humans do the things they do.
Let’s consider an example. In the United States people have been (28) with the increasing amount of crime for several years. The extent of crime bothers us; we ourselves could be victims. But it (29) bothers us that people behave in such ways. Why can such things happen We develop quasi theories. We (30) <
A. effective
B. efficient
C. sufficient
D. capable
有关单纯疱疹病毒性脑炎影像学改变叙述错误的是（）
Surprisingly, there is a relationship between sea salt and the making of rain drops. Most of the water droplets that make up clouds are formed around small, solid particles. In order to fall as rain, the cloud droplets have to increase in size. Clouds from which rain does not fall have droplets that are fairly uniform in size. Clouds that produce rain have some droplets that are much larger than others.
The production of rain depends on the presence of the large droplets that grow in size by coalescence (a fusing together). There is evidence to support the theory that a particle of sea salt serves as the nucleus (核，核心) or center, around which the larger droplets form. Most of the sea salt probably enters the atmosphere from, bubbles that form on the surface of the sea. When the bubbles break, a tiny, even microscopic, droplet of salt water is cast into the air. Once in the atmosphere, the microscopic piece of salt collects water vapor from the air. The water vapor then co
A. turn to ice crystals
B. collect on solid particles and condense
C. condense on salt particles
D. rise above the lower level of clouds
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