问题 单项选择题 B型题

中度休克的表现是()。

A.失血量约为全身血容量的5%~10%,脉搏正常,血压和脉压,尿量正常。略有烦躁,口渴等症状

B.失血量约为全身血容量的10%~15%,脉搏100次/分左右,脉压稍低,尿量减少。可有烦躁,激动,皮肤略显苍白,烦渴等症状

C.失血量约为全身血容量的20%,脉搏>100次/分,脉压正常或稍低,尿量减少。可有烦躁,焦虑或激动,皮肤苍白,口渴等症状

D.失血量约为全身血容量的20%~40%,脉搏>120次/分,收缩压60~80mmHg,脉压小于20mmHg,尿量<20ml/小时或无尿。神志尚清,软弱无力,表情淡漠,可陷入昏迷

E.失血量约为全身血容量的40%,脉搏细弱,收缩压低于40~60mmHg或测不到,无尿。出现神志不清、意识模糊、发生昏迷甚至心脏停搏

答案

参考答案:D

单项选择题
单项选择题

In our society, we must communicate with other people. A great deal of communicating is performed on a person-to-person (1) by the simple means of speech. If we travel in buses, stand in football match (2) , we are likely to have conversations (3) we give information or opinions, and sometimes have our views (4) by other members of society.

Face-to-face contact is (5) the only form of communication, and during the last two hundred years the (6) of mass communication has become one of the dominating factors of contemporary society. Two things, (7) others, have caused the enormous growth of the communication industry. Firstly, inventiveness has (8) advances in printing, photography and so on. Secondly, speed has revolutionized the (9) and reception of communications so that local news often (10) a back seat to national news.

No longer is the possession of information (11) to a privileged minority. Forty years ago people used to (12) to the cinema, but now far more people sit at home and turn on the TV to watch a program that (13) into millions of houses. Communication is no longer merely concerned (14) the transmission of information. The modern communications industry influences the way people live in society and broadens their horizons by allowing (15) to information, education and entertainment. The printing, broadcasting and advertising industries are all (16) with informing, educating and entertaining. (17) a great deal of the material communicated by the mass media is very valuable to the individual and to the society (18) which he is a part, the vast modern network of communications is (19) to abuse. However, the mass media are with us for better, for worse, and there is no turning (20) .

5()

A.by some means

B.by any means

C.by no means

D.by all means