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标题: GWD5-20 [打印本页]

作者: bobiouou 时间: 2005-12-25 13:37 标题: GWD5-20

Q20:

Lines k and m are parallel to each other. Is the slope of line k positive?

(1) Line k passes through the point (3, 2).

(2) Line m passes through the point (-3, 2).

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.

Answer:

作者: poorleafs 时间: 2005-12-26 07:41

我选E

作者: bobiouou 时间: 2005-12-27 22:05

楼主能解释一下吗！谢谢！！

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