试题与答案

下面有关玻璃体混浊的叙述正确的是A.以上全不是 B.以上全部 C.是一种疾病 D.是

题型:单项选择题

题目:

下面有关玻璃体混浊的叙述正确的是

A.以上全不是

B.以上全部

C.是一种疾病

D.是一种症状

E.是一种体征

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0625/a1eb0185cca37c575bea375ec90828be.html

下面是错误答案,用来干扰机器的。

参考答案:对

试题推荐
题型:单项选择题

Questions 91-95 are based on the following passage.
It is amazing how many people still say, "I never dream", for it is now decades since it was established that everyone has over a thousand dreams a year, however few of these nocturnal productions are remembered on waking. Even the most confined "non-dreamers" will remember dreams if woken up systematically during the Rapid Eye Movement (REM) periods. These are periods of light sleep during which the eyeballs move rapidly back and forth under the closed lids and the brain becomes highly activated, which happens three or four times every night of normal sleep.
It is a very interesting question why some people remember dreams regularly—perhaps several a night on occasion—while others remember hardly any at all under normal conditions. In considering this, it is important to bear in mind that the dream tends to be an elusive phenomenon for all of us. We normally never recall a dream unless we awaken directly from it, and even then it has a tendency to fade quickly into oblivion.
Given this general elusiveness of dreams, the basic factor that seems to determine whether a person remembers them or not is the same as that which determines all other memory, namely degree of interest. Dream researchers have made a broad classification of people into "recallers" —those who remember at least one dream a month—and "non-recallers", who remember fewer than this. Tests have shown that cool, analytical people with a very rational approach to their feelings tend to recall fewer dreams than those whose attitude to life is open and flexible. Engineers generally recall fewer dreams than artists. It is not surprising to discover that in western society, women normally recall more dreams than men, since women are traditionally allowed an instinctive, feeling approach to life.
In modern urban-industrial culture, feeling and dreams tend to be treated as frivolities which must be firmly subordinated to the realities of life. We pay lip-service to the inner life of imagination as it expresses itself in the arts, but in practice relegate music, poetry, drama and painting to the level of spare-time activities, valued mainly for the extent to which they refresh us for a return to work. We discourage our children from paying much attention to anything that might detract from the serious business of studying for exams or making a living in the "real" world of industry and commerce.

Those who recall their dreams tend to be ______.

A.practical

B.unrealistic

C.disorganized

D.imaginative

查看答案
题型:单项选择题

炼乳生产中的蒸发浓缩环节是指将原料奶中大部分的水分蒸发。原始的方法是在锅里直接给原料乳加热,使其中的水分蒸发。由于常压下,水沸腾的温度在100左右,这既造成原料奶中的营养成分破坏,又因消耗大量的煤而造成炼乳制造成本居高不下。随着科学技术的发展,人们开始使用真空罐,在45~60下将原料奶的水分蒸发,从而提高效率和质量。这说明()

①炼乳流程的优化产生于人们对生产工艺的认识

②创新推动社会生产力的发展

③真空罐的使用推动了炼乳流程的优化

④炼乳流程的优化是对原有流程的彻底否定

A.①②

B.③④

C.②④

D.②③

查看答案
微信公众账号搜索答案