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问题 多项选择题

机动车在道路上发生故障或者发生交通事故，妨碍交通又难以移动的，应当按照规定（）

A、开启危险报警闪光灯

B、立即将车辆移动到路边

C、在车后50米至100米处设置警告标志

D、夜间还应当同时开启示廓灯和后位灯

答案

参考答案：A, C, D

单项选择题

男性病人，70岁，输血后30min突发呼吸急促、发绀、咳吐血性泡沫痰，颈静脉怒张，肺内可闻及大量湿性啰音。心率130次/min。临床诊断是（）

A.心功能衰竭

B.溶血反应

C.过敏反应

D.细菌污染反应

E.以上都不是
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单项选择题

The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name. But Gregory Cochran is (1) to say it anyway. He is that (2) bird, a scientist who works independently (3) any institution. He helped popularize the idea that some diseases not (4) thought to have a bacterial cause were actually infections, which aroused much controversy when it was first suggested.

(5) he, however, might tremble at the (6) of what he is about to do. Together with another two scientists, he is publishing a paper which not only (7) that one group of humanity is more intelligent than the others, but explains the process that has brought this about. The group in (8) are a particular people originated from central Europe. The process is natural selection.

This group generally do well in IQ test, (9) 12-15 points above the (10) value of 100, and have contributed (11) to the intellectual and cultural life of the West, as the (12) of their elites, including several world-renowned scientists, (13) . They also suffer more often than most people from a number of nasty genetic diseases, such as breast cancer. These facts, (14) , have previously been thought unrelated. The former has been (15) to social effects, such as a p tradition of (16) education. The latter was seen as a (an) (17) of genetic isolation. Dr. Cochran suggests that the intelligence and diseases are intimately (18) . His argument is that the unusual history of these people has (19) them to unique evolutionary pressures that have resulted in this (20) state of affairs.

10（）

A.normal

B.common

C.mean

D.total
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