18.Since 1970 the number of Blacks elected to state and federal offices in the
has multiplied nearly four times.
(A) has multiplied nearly four times
(B) has almost quadrupled
(C) has almost multiplied by four
(D) is almost four times as great（B）
(E) is nearly fourfold what it was
B选项我也明白，但是当时一看A就选了，现在也不知错在哪里。去找了讨论的帖子，可是没有这一题，还麻烦明白的同志们给看看啊！先谢谢啦~
18.Since 1970 the number of Blacks elected to state and federal offices in the
has multiplied nearly four times.
(A) has multiplied nearly four times
(B) has almost quadrupled
(C) has almost multiplied by four
(D) is almost four times as great
(E) is nearly fourfold what it was
两倍double 三倍triple 四倍quadrupled
个人浅见：
对的。既然四倍可以用quadrupled很好的表现出来。为什么非要用那么多的词语去解释呢？又是multiplied又是
four times的。一般在倍数题中。像two times，one time都不是优选答案。我们可以从以下两题推出。
请看og11th 128题og给出的解释：
128.
Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.
(A) double the apples that it has
(B) twice as many apples as it did
(C) as much as twice the apples it has
(D) two times as many apples as there were
(E) a doubling of the apples that it did
Logical predication + Diction + Verb form
The adjective double cannot modify the verb produces, only an adverb (twice) can modify a verb. The sentence compares the number of apples produced today and in 1910; because apples are a countable quantity; the comparison should use the construction as many as. The two elements being compared must be grammatically parallel. The same amount ... produces is paralleled by as it did (produce understood). The subjects amount and it are parallel, as are the verbs produces and did (produce).
Finally; an action that occurred in 1910 requires a verb in the past tense.
A Double is used in place of twice, the comparative construction as many as is needed; the verb tense has is incorrect with in 1910
B Correct. In this sentence, an adverb modifies the verb; as many as is used for a countable quantity; the two elements being compared are parallel; the verb is in the past tense.
C Much is used where many is required; the verb tense has is incorrect with in 1910
D Two times is wordy; there were is vague because it does not refer to amount of acreage
E A doubling of the apples is awkward and, when joined with that it did, illogical
The correct answer is B.
同样大全404题：
404.In the 1980’s the rate of increase of the minority population of the United States was nearly twice as fast as the 1970’s.
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of
(E) two times greater than ----------(C)
(*^__^*) 嘻嘻…… 还望mm指正哈 只是个人一点浅浅小结哈
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