Prep两题请求指点

jason1985716 · 发表于 2008-9-9 10:35:00

1. Compared to those who do not, running three days a week saves an average of 14.1 percent on

health-care costs each year in the United States.



(A) Compared to those who do not, running three days a week saves

(B) Compared with nonrunners, people who run three days a week save

(C) Compared to not running, those running for three days a week save

(D) When compared with those who do not, people running three days a week save

(E) When compared to nonrunners, running three days a week saves



我想请问一下，D、E选项除了其它错误，用when有没有问题？when compared to 和 compared to都可以吗？



2. 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



这道题正确选项D中，to help为目的状语，但前面为什么要加逗号呢？我很少看见不定式前面有逗号的，不知有没有问题？

[此贴子已经被作者于2008-9-9 11:25:19编辑过]

wlshot · 发表于 2008-9-9 12:12:00

第一题是B吗

jason1985716 · 发表于 2008-9-10 14:58:00

恩，是B
怎么没人指教呢？
顶！！

jason1985716 · 发表于 2008-9-15 21:58:00

顶，来人赐教！

浅斟低唱 · 发表于 2008-9-15 22:07:00

when引导时间从句可是后面跟的是关于人的比较好像没道理吧

而且是不是算OG比较喜欢说的wordy

nbtom88 · 发表于 2008-9-15 22:14:00

比较物要对等，nonrunners和people，其余项都错

nbtom88 · 发表于 2008-9-15 22:21:00

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

排除ab，不用with,

因为是one of用单数，排除c，e

gmat里很喜欢用probably 然后加表目的的不定式

hlp1222 · 发表于 2009-9-20 20:59:00

我觉得第一个的DE选项中when引导的从句省略了主语

所以主语应向后寻找

d中compare的主语是people，即people are compared to。。。

e中同理 running is compared to。。。

如此说来好像when compared 和直接用compared to都可以

还请nn指点

西西zsx · 发表于 2011-1-20 16:49:08

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
排除ab，不用with,
因为是one of用单数，排除c，e
gmat里很喜欢用probably 然后加表目的的不定式

-- by 会员 nbtom88 (2008/9/15 22:21:00)

gmat里很喜欢用probably 然后加表目的的不定式我记到笔记上了~

xiaoqiaoli · 发表于 2011-7-15 20:02:39

第一题中如果不考虑其他问题，那么when就是多余的，要省略。要不然就wordy了。

Prep两题请求指点

Prep两题请求指点

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