问题
单项选择题
下列哪种疾病会使纵隔扑动（）
A.进行性血胸
B.闭合性气胸
C.张力性气胸
D.肺爆裂伤
E.多根多处肋骨骨折
答案
参考答案：E
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下列哪种疾病会使纵隔扑动（）
A.进行性血胸
B.闭合性气胸
C.张力性气胸
D.肺爆裂伤
E.多根多处肋骨骨折
参考答案：E
Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choice marked A, B, C and D.
| During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (51) phenomenon of race consists of few surface indications. We judge race usually from the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (52) you were to remove the skin you could not tell anything about the race to which the individual belonged. There is nothing in physical structure, the brain or the internal organs to (53) a difference. There are four types of blood. All types are found in every race, and no type is distinct to any race. Human brains are the (54) No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (55) in size, but this occurs within every race. (56) does size have anything to do with intelligence. The largest brain ever examined belonged to a person of weak (57) . On the other hand, some of our most distinguished people have had (58) brains. Mental tests which are reasonably (59) show no differences in intelligence between races. High and low test results both can be recorded by different members of any race. (60) equal educational advantages, there will be no difference in average standings, either on account of race or geographical location. |
A．since
B．if
C．as
D．while