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.
语法 Sentence Correction-1931
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正确的用户笔记
azhe 2014-03-21 11:16:26
理解杂交cross
小梨涡Shella 2016-03-26 12:26:21
crossing前有逗号，修饰the gypsy moth，逻辑错误。 crossing逻辑主语应为科学家
hxq1994 2016-01-07 17:25:46
最后的, ving指向句子的主语gypsy moth, GM不能自己crossing自己
Jesterleir 2017-01-09 17:00:06
A，被动语态没有必要crossing修饰对象不清,crossing gypsy moths with adult silkworms是指the gypsy moth还是insects不免让人有些理解上的偏颇
yaomaczhang 2016-09-14 02:18:02
crossing gypsy修饰gypsy moth
BONE221 2016-08-11 17:24:40
A.明显错误是crossing前面有逗号，因此是作为状语修饰主语moths，而另一个小问题是attempt to do 优于in an attempt to do,优于attempt at doing
Iris700 2016-08-10 20:38:35
Ron- the biggest problem with choice (a) is actually not an idiom issue -- it's the gross misuse of the COMMA + -ING modifier. see: 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... when you use COMMA -ING modifiers: * they modify the action of the preceding clause, and * the SUBJECT of the preceding clause should be the agent of the -ING action the second of these rules, if applied to choice (a), tells us that the gypsy moth itself (the subject of the preceding clause) is the one who is "crossing gypsy moths...". that is most certainly not true, so choice (a) is ungrammatical.
在My9950213 2016-08-10 10:07:19
crossing（杂交）修饰insects，不符合逻辑
ocean09960802 2016-05-23 19:17:42
crossing前有逗号，修饰the gypsy moth，逻辑错误。 crossing逻辑主语应为科学家
Ivycoco 2016-03-18 12:57:21
crossing修饰对象不清楚
kiada 2015-10-31 16:19:47
in an attempt to
