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问题 单项选择题 A3/A4型题

男性，36岁，患十二指肠溃疡6年，突发上腹剧痛3小时，继而全腹痛、大汗、面色苍白，四肢发凉。查体：全腹压痛，反跳痛。考虑有溃疡病穿孔的可能。

十二指肠溃疡穿孔多见于（）

A.前壁

B.后壁

C.下壁

D.上壁

E.球后

答案

参考答案：A

名词解释

课程实施
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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 the xy plane, is the point (4, -2) on the line l ？（）
(1) Point (1, 1) is on line l.
(2) The equation x=2-y describes line l.

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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