gwd-15-39

cournot

Q39:Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

1. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
2. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

3. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
4. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
5. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.  

the answer is E,I choose B

hawkinsxie

the answer in my document is B, I choose E

icon

http://forum.chasedream.com/dispbbs.asp?boardid=23&replyid=738711&id=83126&page=1&skin=0&Star=7

cournot

thanks ICON,I stick to B

wcfang

以下是引用cournot在2006-6-24 12:52:00的发言：
thanks ICON,I stick to B

B頭重腳輕，是不好的選項...

gogmat

E is beter than B,

B used Appeared, E used have appeared, since 1% of the species are still appearing, so have appeared is better then appeared

gonghao

After discussing with some english teachers from Cornell, I picked E as the final answer as last. 

In B, that is ommitted before appear.

E is the best answer we can find out of these choices given

[此贴子已经被作者于2007-4-3 11:12:32编辑过]

mimixiaxia

up