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问题 单项选择题

关于骨折的临床表现，下列哪项描述是错误的

A．骨折的专有体征包括畸形、反常活动及骨擦音或骨擦感

B．只要发现骨折专有体征的其中一项，即可作出骨折的明确诊断

C．骨折时可以没有骨擦音或骨擦感

D．检查可疑骨折患者时，应尽量诱发骨擦音或骨擦感的出现，以明确诊断

E．临床未见有骨折专有体征时，也可能有骨折

答案

参考答案：D

判断题

钢丝绳绳夹使用时最后一个矩绳端应有15~20cm距离。
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单项选择题

American Museum of Natural History is one of the largest natural and historic museums in the world and one of the main natural history research and education centres in the United States, set up in 1869 and located in the west of the Central Park, Manhattan District, New York. It (1) 7 hectares in its total area, (2) classical types of buildings. The (3) of ancient creatures and humanity is (4) the first place of all the museums in the world, (5) the representative samples from South America, Africa, Europe, Asia and Australia were collected, besides those from the (6) country, the United States.In the museum, there are five kinds of exhibits, including astronomy, mineralogy, human history, and animals in the (7) times and those in modern times. There are thirty-eight exhibition halls with different (8) from 500 to 1,500 square metres. Besides these, there is a Roosevelt Memorial Hall in (9) of President Roosevelt who supported the (10) of the museum, which is also used to have a special exhibition, showing the new important (11) on natural sciences and (12) affairs and social problems, and special topics connected closely with the life of the citizens. Besides this, it is also used for avocation (13) to have all kinds of scientific activities in the laboratories, centres of natural science and centres for citizens. There are more than 10 (14) research departments mainly(15) for collection of samples, research and work of publication.In the museum, there are (16) and sub-libraries of Aulspond ancient amniote, with about 300 thousand books and magazines (17) natural history, many of(18) are very valuable monographs for the first edition. It has published many expert books and magazines, and a large number of propaganda materials, (19) which are the two magazines, Natural History and Members of Museum that have the biggest (20) of their magazines.

2（）

A.with

B.of

C.in

D.on
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