问题 单项选择题 案例分析题

患者,男性,缺失,余留牙及牙周组织健康,行整铸支架可摘局部义齿修复

若采用琼脂印模材料复制工作模型,须先将备好的工作模型放入水温35℃的石膏饱和液中浸泡30min,其主要目的是()

A.增强义齿的适合性

B.增加义齿的强度

C.使工作模型表面的光洁度提高

D.增加工作模型表面的润湿性

E.使模型充分吸足水分,将模型中的空气完全排除

答案

参考答案:E

阅读理解

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。

选项中有两项为多余选项。

   In general , people talk about two groups of colors : warm colors and cool colors . 1_________ :

people who prefer warm colors and people who prefer cool colors .

   2______. Where there are warm colors and a lot of light , people usually want to be active . People

think that red , for example , is exciting. Sociable people , those who like to be with others , like red .

The cool colors are green , blue and violet . These colors , unlike warm colors are relaxing . Where

there are cool colors , people are usually quiet . 3_________.

   Red may be exciting , but one researcher says that time seems to pass more slowly in a room with

warm colors than in a room with cool colors . He suggests that a warm color , such as red or orange

is a good color for a living room or restaurant . People who are relaxing or eating do not want time to

pass quickly.       4 _______Researchers do not know why people think some colors are warm and

other colors are cool . However , almost everyone agrees that red , orange , and yellow are warm and

 that green , blue , and violet are cool .5____. Because in the north the sun is higher during summer ,

the hot summer sunlight appears yellow .

A. People who like to spend time alone often prefer blue

B. people who like every kind of color is not possible.

C. Cool colors are better for offices or factories if the people who are working there want time to pass quickly .

D. The warm colors are red , orange and yellow

E. Perhaps warm colors remind people of warm days and the cool colors remind them of cool days .

F. Researchers in psychology think that there are also two groups of people

G. for example, in my childhood I didn't know which color is worm

单项选择题