adj. double :▶TWICE AS BIG ; 其他形容词的意思 都没有比较得意思
double + 名词
a double whisky
The city was enclosed by walls of double thickness
v. double: 1[intransitive and transitive]to become twice as big or twice as much, or to make something twice as big or twice as much
double in size/number/value
Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
double the size/number/amount etc (of something)
A promise was given to double the number of police on duty.
就是 说 一般名词 如 company ,church 等 都用 N+ double； 对不对？？
如 Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
168. 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 (b)
(E) a doubling of the apples that it did
(A) double the apples that it has 是不是不能 ｄｏｕｂｌｅ ｔｈｅ ａｐｐｌｅｓ．
ｏｇ 解释说：Choice A awkwardly substitutes the adjective double for twice; uses that without a clear referent; and misuses has to refer to events occurring in 1910
那是不是因该说：double than it did 对不对？
但这道题 ：
72. The number of undergraduate degrees in engineering awarded by colleges and universities in the United States increased by more than twice from 1978 to 1985.
(A) increased by more than twice
(B) increased more than two times
(C) more than doubled
(D) was more than doubled （ｃ）
(E) had more than doubled
168，72 题 ： AMOUNT + DOUBLE 或 number + double
但当 有 size/number/amount 的名词时， 又有：
1、double in size/number/value
Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
2、double the size/number/amount etc (of something)
A promise was given to double the number of police on duty
那是不是 ：amount /size/number + double 和 、double in size/number/value 、 、double the size/number/amount etc (of something) 都对？？？
而其他名次 只能 用 Ｎ＋ＤＯＵＢＬＥ 这种形式。
要用ＤＯＵＢＬＥ＋ｎ就 如同１６８题ＯＧ说的： Choice A awkwardly substitutes the adjective double for twice; ？？
请 ＮＮ 指导。。
请在具体说一次阿 ｄｏｕｂｌｅ 和 ｔｗｉｃｅ的 用法 。 谢谢
double can be an adjective, a noun, a verb, an adverb and a predeterminer.
adj. double :▶TWICE AS BIG ; 其他形容词的意思 都没有比较得意思
double + 名词
a double whisky
The city was enclosed by walls of double thickness
v. double: 1[intransitive and transitive]to become twice as big or twice as much, or to make something twice as big or twice as much
double in size/number/value
Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
double the size/number/amount etc (of something)
A promise was given to double the number of police on duty.
就是 说 一般名词 如 company ,church 等 都用 N+ double； 对不对？？
如 Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
168. 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 (b)
(E) a doubling of the apples that it did
(A) double the apples that it has 是不是不能 ｄｏｕｂｌｅ ｔｈｅ ａｐｐｌｅｓ．
ｏｇ 解释说：Choice A awkwardly substitutes the adjective double for twice; uses that without a clear referent; and misuses has to refer to events occurring in 1910
那是不是因该说：double than it did 对不对？
但这道题 ：
72. The number of undergraduate degrees in engineering awarded by colleges and universities in the United States increased by more than twice from 1978 to 1985.
(A) increased by more than twice
(B) increased more than two times
(C) more than doubled
(D) was more than doubled （ｃ）
(E) had more than doubled
168，72 题 ： AMOUNT + DOUBLE 或 number + double
但当 有 size/number/amount 的名词时， 又有：
1、double in size/number/value
Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
2、double the size/number/amount etc (of something)
A promise was given to double the number of police on duty
那是不是 ：amount /size/number + double 和 、double in size/number/value 、 、double the size/number/amount etc (of something) 都对？？？
而其他名次 只能 用 Ｎ＋ＤＯＵＢＬＥ 这种形式。
要用ＤＯＵＢＬＥ＋ｎ就 如同１６８题ＯＧ说的： Choice A awkwardly substitutes the adjective double for twice; ？？
请 ＮＮ 指导。。
请在具体说一次阿 ｄｏｕｂｌｅ 和 ｔｗｉｃｅ的 用法 。 谢谢
我也不懂你问的double & twice 的问题，今天我在做一个很难的作业，晚一点我看看能不能讨论一下好吗？
你先看看那个版主在线问问他们，或者搜一下OG题目的链接，肯定有人以前问过这个题
double有三种用法，n,v,adj.
OG168之所以错，是因为double是形容词，不能作副词用。所以你那个double than it did仍旧是不对的，而且用THAN也是错的。
你举的其它例子，是double做动词的用法。因为double既可以及物，也可以不及物，所以后面允许不加名词独立存在，加名词，或者加IN结构。
例如：
The number of CDers has more than doubled since 2004.(vi)
A promise was given to double the number of CDers.(vt)
Within two years CD has doubled in value. (vi)
另外，TWICE是副词，可以修饰动词，OG168因此选B。
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