，好像根本没有谓语哦！
Q38:
Imported into Massachusetts form Europe in 1869, the gypsy moth was used by a French
scientist in an attempt at developing a strong strain of silk-producing insects, crossing
gypsy moths with adult silkworms.
A. Imported into Massachusetts from Europe in 1869, the gypsy moth was used by a
French scientist in an attempt at developing a strong strain of silk-producing
insects, crossing gypsy moths with adult silkworms.
B. Imported into Massachusetts form Europe in 1869, a French scientist was
attempting to develop a strong strain of silk-producing insects by crossing gypsy
moths with adult silkworms.
C. To cross gypsy moths with adult silkworms, in attempting the development of a
strong strain of silk-producing insects, a French scientist in 1869 imported the
gypsy moth into Massachusetts from Europe.
D. The gypsy moth was imported into Massachusetts from Europe in 1869 by a
French scientist attempting to develop a strong strain of silk-producing insects by
crossing gypsy moths with adult silkworms.
E. In an attempt at the development of a strong strain of silk-producing insects, a
French scientist, importing the gypsy moth from Europe into Massachusetts in
1869 in order to cross gypsy moths and adult silkworms.
答案是D，我选了a，汗！这题都没有别人问，请nn帮助。
我的判断：d改变句子重心（不过句子重心在全划线题中本来就可以改变，更汗了）。如果a错，是因为最后的分词修饰错误吗？请nn帮助，谢谢。
attempt at不符合习惯搭配，所以A，E排除
B是逻辑主语的错误
C是不定式动词短语和介词短语都在句首，不太符合英语习惯吧。。。
是我的拙见~等待NN来解答。
个人愚见, 请指教: (1) be use to 与attempt at 语意重复 (2) attempt at sth, attempt to do sth (3) 后面的crossing, 若做伴随结果, 逻辑意思怪异, 若是修饰主语, 逻辑搭配部当
A，E in an attempt中 attempt 是名词，而他又动词用法所以这种情况下动词优先attempt to do好
B. Imported 逻辑主语不对应该是moth而此处成了a French scientist .
C,E.development 有动词形式所以develop优先，
而且c表达怪怪的，in attempting the development 好像没有这种表达方法吧 ，如果改成To cross gypsy moths with adult silkworms, attempting to develop a strong strain of silk-producing insects, a French scientist in 1869 imported the gypsy moth into Massachusetts from Europe我觉得这样会好些！
E答案，要是按照og的习惯，应该还有个错误就是主语：a French scientist跟他的谓语距离太远。。。。，好像根本没有谓语哦！
不知道我的理解的里面有啥米错误没有，希望nn们指正，别误导他人！谢！
A. Imported into Massachusetts from Europe in 1869, the gypsy moth was used by a
French scientist in an attempt at developing a strong strain of silk-producing
insects, crossing gypsy moths with adult silkworms.
看A者中的这种结构，attempt发起者是谁不清楚，这道题将A改为French scientist's attempt at doing...可以解决这个问题,但是考虑到前面的介词by，这里还不是很合理。而且后面的分词结构crossing...修饰谁看不清楚。
D中的The gypsy moth was imported into Massachusetts from Europe in 1869 by a
French scientist attempting to develop a strong strain of silk-producing insects by
crossing gypsy moths with adult silkworms.
用分词结构充当介宾结构中的宾语补足语，是一种很常见的语法结构，句意清晰，而且和后面的分词结构对称，没有任何问题。
谢谢各位热心,感谢.
我很多细节语法点都模糊了,唉D的语法结构是很完美的。
结论：attempt to；全划线题重心可以改变。
D中by a French scientist attempting是不是介词短语带分词了?
102. Except for a concert performance that the composer himself staged in 1911, Scott Joplin's ragtime opera Treemonisha was not produced until 1972, sixty-one years after its completion.
(A) Except for a concert performance that the composer himself staged
(B) Except for a concert performance with the composer himself staging it
(C) Besides a concert performance being staged by the composer himself
(D) Excepting a concert performance that the composer himself staged
(E) With the exception of a concert performance with the staging done by the composer himself
Choice A is best. In B, the participle staging inappropriately expresses ongoing rather than completed action, and the prepositional phrase containing this participle (with... it) is unidiomatic. Likewise, C uses the participle being inappropriately. In D, the use of Excepting in place of the preposition Except for is unidiomatic. Choice E is awkward and wordy.
请NN给个意见, 我在这点上一直糊涂.谢谢!
102中的错误在it，with sth done这样的结构是idom的。后面加了it就错误。
这里的by sb doing sth也是一种很长见的结构。分词结构充当介宾结构中的宾语补足语。在OG中有一种很完美变体就是sb do sth by doing sth。
我本来也选了A 后来仔细看 A的最大错误在于cross
cross逻辑上应修饰scientist 但是 他可修饰insects 好像也可修饰moth造成歧义
A. Imported into Massachusetts from Europe in 1869, the gypsy moth was used by a French scientist in an attempt at developing a strong strain of silk-producing insects, crossing gypsy moths with adult silkworms. 一点拙见
同意楼上。
大家有没有发现一个问题
C,D,E里是说MOTH被SCIENTIST IMPORT的
可是句意是说MOTH被SCIENTIST USE
不是改变句意吗?
我选A
同意楼上的说法. 查了一下字典, attempt做名词时也可以和at连用表示试图．如下：
attempt
n
（常与at, on, to连用）努力；尝试
She made an attempt to cook the dinner.
她试着做这顿饭。
make an attempt at
打算; 试图
首先，问题不是在attempt上，而是整个句意的理解．法国科学家应该是使用ＭＯＴＨ做实验而不是他亲自去进口ＭＯＴＨ．Ｅ选项与Ａ在句意上完全不同．
其次，Ａ选项中的ＣＲＯＳＳ并没有造成修饰的误解（反驳第１１楼的说法），ＣＲＯＳＳＩＮＧ是进一步解释前一句所描述的实验过程，这个科学家的实验＂developing a strong strain of silk-producing insects" 是ＣＲＯＳＳＩＮＧ．．．．
我总觉得D 中
The gypsy moth was imported into
French scientist attempting to develop a strong strain of silk-producing insects by
crossing gypsy moths with adult silkworms.
要是改成: by a French scientist's attempting to 就没问题了. By sb doing 感觉好象很不爽. 一般动名词前面不是所有格形式吗?
但是倾向D的同胞们所说的也蛮有道理但还是不能解除我对A的...
这里defense 一下A:
1. french scientist 怎么会干起进口生意呢? 应该是别人进口来了,他用才对吧. A 表达的比D有道理.
2. 另外楼上所说的crossing 进一步解释developing 也有道理哦.
还请继续讨论非到定论不可. NN再请进来.
127. In theory, international civil servants at the
United Nations are prohibited from continuing to draw salaries from their own
governments; in practice, however, some governments merely substitute living
allowances for their employees’ paychecks, assigned by them to the
United Nations.
(A)
for their employees’ paychecks, assigned by them
(B)
for the paychecks of their employees who have been assigned
(C)
for the paychecks of their employees, having been assigned
(D)
in place of their employees’ paychecks, for those of them assigned（B）
(E)
in place of the paychecks of their employees to have been assigned by them
In choice A, the
phrase assigned by them modifies the
adjacent noun, paychecks: the
sentence implies that paychecks, rather than employees, work at the United
Nations. In C, the phrase having been
assigned... is uncertain in reference, making the sentence unclear. By
using in place of instead of for, choices D and E create the
unidiomatic and redundant construction substitutes
x in place of y. Moreover, D, aside from being wordy, is unclear because
the pronoun them has no unambiguous
antecedent; and in E, their employees to
have been assigned by them is wordy and awkward. Choice B, the best answer,
properly uses the phrase who have been
assigned... to the United Nations to modify employees.
XDF的老师说，A的错误在于，介词，介词，句子这种结构不好，要改成介词，句子，介词。
仅供参考
102中的错误在it，with sth done这样的结构是idom的。后面加了it就错误。
这里的by sb doing sth也是一种很长见的结构。分词结构充当介宾结构中的宾语补足语。在OG中有一种很完美变体就是sb do sth by doing sth。
by a French scientist attempting to develop a strong strain of silk-producing insects by crossing gypsy moths with adult silkworms.
可不可以理解为attempting to ....分词作定语修饰a French sicientist呢？我个人觉得在GMAT中，介词by后面加复杂成分是awkward。
XDF的老师说，A的错误在于，介词，介词，句子这种结构不好，要改成介词，句子，介词。
仅供参考
C. To cross gypsy moths with adult silkworms, in attempting the development of a
strong strain of silk-producing insects, a French scientist in 1869 imported the
gypsy moth into
D. The gypsy moth was imported into
French scientist attempting to develop a strong strain of silk-producing insects by
crossing gypsy moths with adult silkworms.
这里C确实没有D好, 但是不知道除了倾向于使用动词外, C还有什么地方不对吗?
请教了.
自问自答了.
36. Bufo marinus toads, fierce predators that will eat frogs, lizards, and even small birds, are native to South America but were introduced into Florida during the 1930's in an attempt to control pests in the state's vast sugarcane fields.
(A) are native to South America but were introduced into Florida during the 1930's in an attempt to control
(B) are native in South America but were introduced into Florida during the 1930's as attempts to control
(C) are natives of South America but were introduced into Florida during the 1930's in an attempt at controlling
(D) had been native to South America but were introduced to Florida during the 1930's as an attempt at controlling
(E) had been natives of South America but were introduced to Florida during the 1930's as attempts at controlling
Choice A is best. The phrasing are native to correctly suggests that the toad species is indigenous to, and still exists in,
OG说的明确, in an attempt to do是idiomatic的用法.
GWD10-38和OG36类似
36. Bufo marinus toads, fierce predators that will eat frogs, lizards, and even small birds, are native to
(A) are native to
(B) are native in
(C) are natives of
(D) had been native to
(E) had been natives of
Both as attempts in B and E and as an attempt in D are wrong because the attempt consists not of the toads themselves, but of their introduction into the environment. The correct phrase, in an attempt, should be completed by an infinitive (here, to control), as in A.
D中by a French scientist attempting是不是介词短语带分词了?
102. Except for a concert performance that the composer himself staged in 1911, Scott Joplin's ragtime opera Treemonisha was not produced until 1972, sixty-one years after its completion.
(A) Except for a concert performance that the composer himself staged
(B) Except for a concert performance with the composer himself staging it
(C) Besides a concert performance being staged by the composer himself
(D) Excepting a concert performance that the composer himself staged
(E) With the exception of a concert performance with the staging done by the composer himself
Choice A is best. In B, the participle staging inappropriately expresses ongoing rather than completed action, and the prepositional phrase containing this participle (with... it) is unidiomatic. Likewise, C uses the participle being inappropriately. In D, the use of Excepting in place of the preposition Except for is unidiomatic. Choice E is awkward and wordy.
请NN给个意见, 我在这点上一直糊涂.谢谢!
试解释下：分词（过去，现在）是实意的，不需要加with;with 加一名词充当修饰成分；
being ＋一过去分词是不爽的用法，好像只有being+done 的；
请指教！
GWD10-38
可是D这个答案在WORD的语法检验里显示是错误的！！
A. Imported into Massachusetts from Europe in 1869, the gypsy moth was used by a
French scientist in an attempt at developing a strong strain of silk-producing
insects, (crossing gypsy moths with adult silkworms. )
这个选项错，我的理解是后面的分词短语的逻辑主语与主句的逻辑主语不匹配！
我认为C是正确的
A. 错，分词crossing要么修饰主语（moth），要么修饰前面insects，但是两个逻辑意思上都不通
B. 错，过去分词imported表示被动,修饰a French scientist, 逻辑意思错
C. 正确
D. 错，我觉得也是逻辑意思上有问题，crossing逻辑主语是moth，明显不通，
E. 错，没有谓语
至于attempt的用法，我觉得不是主要的问题，这题关键就是在分词的逻辑主语判定
不知我的理解对不对，前大家指正
GWD10-38
可是D这个答案在WORD的语法检验里显示是错误的！！
大家有没有发现一个问题
C,D,E里是说MOTH被SCIENTIST IMPORT的
可是句意是说MOTH被SCIENTIST USE
不是改变句意吗?
我选A
肯定不能选A~~因为这样一来~crossing的动作发出者就变成了the moth~~~显然步符合逻辑~~
B选项的毛病和A一样~
C选项~~我觉得比较好玩~~~有一个歧义如果发现的话~~~很容易就能排除掉它~~~那就是a scientist in 1879 会让人误解成一个1879年的科学家~也就是说这个科学家可能是生于1879年~~而显然原文的意思是一个科学家在1879年引进了the moth~~~我觉得象这样的修饰成分~~位置放置很重要的~~大全中这样产生的歧义有几道题~~~最经典的就是一个什么什么人给她的哥哥还是谁写信~~信里面提到一件什么事情~~这道题~~~当时做起来觉得就像玩文字游戏~~~~不过~~也就是因为这道题目~~让我对修饰成分的位置在英语中的重要性有了深刻的认识~~~~
E选项更步用说拉~~~全句没有谓语动词~~连句完整的话都不是~~
所以只能选D拉~~HOHO~~~
另外~~~这位MM说的改变句子意思的问题不存在哦~~~在主动被动同时可以用的情况下~~~主动是优与被动的~~~~所以~~被动变成主动步存在改变原文意思的问题~~~~
C. To cross gypsy moths with adult silkworms, in attempting the development of a
strong strain of silk-producing insects, a French scientist in 1869 imported the
gypsy moth into
D. The gypsy moth was imported into
French scientist attempting to develop a strong strain of silk-producing insects by
crossing gypsy moths with adult silkworms.
这里C确实没有D好, 但是不知道除了倾向于使用动词外, C还有什么地方不对吗?
请教了.
这里的C除了in attempt at的用法不对，好像还存在其他不恰当。
如果是两个或两个以上的状语，尤其在句首出现共同修饰句子主语，则ETS倾向于把状语分开放在主句的两侧。
本题的句意是：跟法国科学家相关的动作有：在1869年从欧州进口飞娥(gypsy)到美国麻州、他这么做的目的是为了发展产丝的昆虫(develop a strongstrain of silk-producing insects)、为了达成目的
他用的方法是把gypsy跟adult silkworms混合交配(by crossing….)
A中crossing动作的主词变成了gypsy，错，应该是科学家
B中被进口(imported)的主词变成了科学家，错，应该是飞娥
C科学家的目的变成了混合交配(to crossing~~)，错，混合交配不是目的而是方法
E 同C (in order to cross~~)，错，也是把目的跟方法弄反了
不定词to后的动作是目的，介词by后接的动作是方法，我们要先了解句意，在分清哪个是方法哪个是目的，这样就不会搞混了
D最大的问题是改变句子原意。跟这个大宗旨比，所谓的crossing容易引起混淆的问题是次要的。
正常的逻辑是科学家只是用这种蛾子进行研究，D改成科学家进口蛾子，这违反ETS所要求的SC三大宗旨之一，即逻辑清楚。在这个大前提下，其他都不要讨论了。
支持A！！
为啥word显示D的语法是错的呢?
其实，“不改变原句意思和重心”是个很弱的标准，好多题的正确选项都较明显地改变了原来的意思。
当然，这前提是其他选项都有明显错误。
还有最主要的是attempt只有attempt to do 的用法
本题的句意是：跟法国科学家相关的动作有：在1869年从欧州进口飞娥(gypsy)到美国麻州、他这么做的目的是为了发展产丝的昆虫(develop a strongstrain of silk-producing insects)、为了达成目的
他用的方法是把gypsy跟adult silkworms混合交配(by crossing….)
A中crossing动作的主词变成了gypsy，错，应该是科学家
B中被进口(imported)的主词变成了科学家，错，应该是飞娥
C科学家的目的变成了混合交配(to crossing~~)，错，混合交配不是目的而是方法
E 同C (in order to cross~~)，错，也是把目的跟方法弄反了
不定词to后的动作是目的，介词by后接的动作是方法，我们要先了解句意，在分清哪个是方法哪个是目的，这样就不会搞混了
支持，逻辑意思是SC的第一准则！
ing分词短语在句尾，（1）表示伴随动作、状态、功能，与句子谓语动作同时发生，逻辑主语等于句子主语。所以A中crossing 的主语是the gypsy，错。（2）表示伴随结果，整个句子是原因，导致分词动作产生，无逻辑主语。A 显然不符合此。B中逻辑主语错。E没有谓语
区别：ed分词短语在句尾，一般优先就近作定语，修饰名词。
A. Imported into Massachusetts from Europe in 1869, the gypsy moth was used by a
French scientist in an attempt at developing a strong strain of silk-producing
insects, crossing gypsy moths with adult silkworms.
看A者中的这种结构，attempt发起者是谁不清楚，这道题将A改为French scientist's attempt at doing...可以解决这个问题,但是考虑到前面的介词by，这里还不是很合理。而且后面的分词结构crossing...修饰谁看不清楚。
D中的The gypsy moth was imported into Massachusetts from Europe in 1869 by a French scientist attempting to develop a strong strain of silk-producing insects by crossing gypsy moths with adult silkworms.
French scientist attempting to develop a strong strain of silk-producing insects by
crossing gypsy moths with adult silkworms.
用分词结构充当介宾结构中的宾语补足语，是一种很常见的语法结构，句意清晰，而且和后面的分词结构对称，没有任何问题。
我觉得对D解释的有问题，看了语法书，找了很多关于现在分词做宾语补足语的例子，如下
He was found（by sb.）lying on the floor.有人发现他躺在地上，但lying显然不是sb发出的动作
He was seen （by someone）sitting in a café.有人看见他坐在咖啡馆里，sitting也不是someone发出的动作
The papers were left（by sb）lying around.文件散落一地，lying依然不是sb发出的动作
因此我觉得attempting也不应该是scientist发出的动作吧，那如果是moth则逻辑上讲不通。
综上所述，虽然C的结构很awkward，但确实是5个选项里的最优。欢迎大家指正
“不改变逻辑意思”绝对是个重要准则
但是还需要注意的一点是：不改变逻辑意思，并不是说“不改变主动词”，而是说句子的整体逻辑意思
看看本题：意思是说，
科学家在1869年从欧州进口飞娥(gypsy)到美国麻州，目的是为了发展产丝的昆虫(develop a strongstrain of silk-producing insects)、用的方法是把gypsy跟adult silkworms混合交配(by crossing….)
D 其实并没有改变逻辑意思
仔细看其它选项，或多或少都没有表达清楚
A中crossing动作的主语变成了gypsy，歧义。如果说crossing是伴随的结果状语，也不对，改变原意
B 逻辑主语
CE原来句子是想说“crossing”是方法，该选项说成了“To cross gypsy moths with adult silkworms”变成目的，改变原意
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