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问题 单项选择题

以下抗痛风药物中，最适宜痛风急性期应用的是（）

A.别嘌醇

B.丙磺舒

C.苯溴马隆

D.秋水仙碱

E.阿司匹林

答案

参考答案：D

解析：本题考查痛风急性期的药物选用。嘌醇使血尿酸下降过快，促使关节内痛风石表面溶解而形成不溶性结晶而加重炎症反应；丙磺舒与苯溴马隆对痛风的急性期无效，还可能发生转移性痛风。阿司匹林可抑制肾小管的分泌转运而致尿酸在肾脏潴留。A、B、C、E均禁用于痛风的急性发作期。

选择题

假定电动剃须刀的价格大幅度下降，那么在其他条件不变的情况下

①人们对电动剃须刀的需求量减少

②人们对电动剃须刀的需求量增加

③人们对剃须泡沫的需求量减少

④人们对剃须泡沫的需求量增加

A．①②

B．①④

C．①③

D．②④
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单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

In triangle ABC above, if ∠BAD and ∠ADB have measures of 2n, and if ∠ACB has a measure of n, what is the length of side AB ？（） (Figure not necessarily drawn to scale.)

(1) n=25°

(2) CD=4

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.
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