这道题怎么做呀？答案怎么是A. 不明白。图片贴不上，多包涵。多谢

Q19:

INE>INE> y

l

INE>INE>

2

INE>INE> -3 0 x

The graph of which of the following equations is a straight line that is parallel to line l in the figure above?

A. 3y – 2x = 0

B. 3y + 2x = 0

C. 3y + 2x = 6

D. 2y – 3x = 6

E. 2y + 3x = -6

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Q20:

What is the total number of executives at Company P?

(1) The number of male executives is 3/5 the number of female executives.

(2) There are 4 more female executives than male executives.

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.

Q20

C

Let male exetive be m, female exetive be f

m=(3/5)f

f-4=m

f=10, m=6

the total exetive of company p is 16

Q19的图片是这个吧？！

[attach]3175[/attach]

对于这道题，我也很疑惑。我选择的答案是B。怀疑是标准答案错了。

[此贴子已经被作者于2008-10-19 15:49:22编辑过]