PREP2-13 NN请进

willjackson · 发表于 2010-9-8 17:32:43

One of the earliest known birds with a beak and contour feathers, Confuciusornis sanctus, with large clawlike "thumbs" on its wings, which probably helped them to climb up to a launching position for flight.

(A) with large clawlike "thumbs" on its wings, which probably helped them to

(B) with large clawlike "thumbs" on their wings, which probably helped it to

(C) had large clawlike "thumbs" on its wings, which probably helped them

(D) had large clawlike "thumbs" on its wings, probably to help it

(E) had large clawlike "thumbs" on their wings, probably to help it

答案是D，我记得在哪里看过说，“，to do结尾”的结构一定错误，想请教NN

willjackson · 发表于 2010-9-8 18:22:33

upup

willjackson · 发表于 2010-9-21 20:52:19

up up

willjackson · 发表于 2010-9-23 20:36:32

ding

willjackson · 发表于 2010-9-25 15:29:01

ding

cooldavy · 发表于 2010-9-25 17:52:02

按照错误严重程度来看，C和E选项里it和them是前后不一致的，这一条就足够了，to do还是do并不关键

baijuguoxi1020 · 发表于 2010-10-16 17:10:22

不明白正确选项D中不定式 TO DO 前面为什么有，？？？？
to do前面不能出现，啊？？？

下面的语法是google到的---

Do not place a comma before an adverbial infinitive at the end of the sentence.
Incorrect: You must pay a $500.00 deposit, to buy that car.
Correct: You must pay a $500.00 deposit to buy that car.

踏雪无痕1989 · 发表于 2010-10-16 18:24:40

Confuciusornis sanctus had large clawlike "thumbs" on its wings to help it

我觉得是答案相对正确，没有完全正确的句子，只有最好的句子~

keepexcel · 发表于 2013-6-28 15:22:07

baijuguoxi1020 发表于 2010-10-16 17:10
不明白正确选项D中不定式 TO DO 前面为什么有，？？？？to do前面不能出现，啊？？？下面的语法是google到 ...

D的to do的确有点不太好，但是其他选项都有严重错误。。。

sanlingjie · 发表于 2013-6-28 16:19:05

这一题和google中说的语法还是有区别的，google的语法指的是逗号后面不能直接跟不定式，但是这里有“Probably”这个副词，这样就没有问题了。

PREP2-13 NN请进

“，to do结尾”的结构一定错误，想请教NN

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