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问题 单项选择题 案例分析题

青年患者，入院前1小时右肱骨中段被机器绞伤，致上臂仅后侧有宽2cm的皮肤相连，该皮肤有较重的挫伤，其余组织完全离断。

此时，该患应如何处理（）

A.解除压痛因素后，采用血管解痉措施，观察1小时后不见好转，手术治疗

B.选用有效的抗生素

C.理疗，抬高患肢

D.拆除缝线止血

E.手术切开，取动静脉血栓

答案

参考答案：A

单项选择题

以下关于关系的说法不正确的是

A) 关系必须规范化
B) 行的次序无关紧要
C) 列的次序非常重要
D) 不允许有冗余
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单项选择题

An analyst doesresearch about security market indices. Which of the following statements is least accurate to explain that a fixed-income market index is more difficult to create and compute than a stock market index（）

A. The universe of fixed-income securities is changing constantly.

B. Fixed-income markets are predominantly dealer markets.

C. The number of fixed-income securities is much less than the number of equity securities.
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