求助求助求助PP23

hijenny

23.(25773-!-item-!-188;#058&002128)



While they remove carbon dioxide from the air, conserve soil and water, and house thousands of species, forests also supply potentially valuable pharmaceuticals, and, as sources of building material and firewood, that provide employment for millions worldwide.



(A) pharmaceuticals, and, as sources of building material and firewood, that provide

(B) pharmaceuticals, and sources of building material and firewood, are providers of

(C) pharmaceuticals and, as sources of building material and firewood that are providing

(D) pharmaceuticals and sources of building material and firewood, for providing

(E) pharmaceuticals and, as sources of building material and firewood, provide
我選到正確答ˊ案E
可是 DE畫紅線的部分我看不懂他的結構
求助戰友們幫忙!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

hijenny

23. (25773-!-item-!-188;#058&002128)

While they remove carbon dioxide from the air, conserve soil and water, and house thousands of species, forests also supply potentially valuable pharmaceuticals, and, as sources of building material and firewood, that provide employment for millions worldwide.

(A) pharmaceuticals, and, as sources of building material and firewood, that provide
(B) pharmaceuticals, and sources of building material and firewood, are providers of
(C) pharmaceuticals and, as sources of building material and firewood that are providing
(D) pharmaceuticals and sources of building material and firewood, for providing
(E) pharmaceuticals and, as sources of building material and firewood, provide

我有選到正確答案
但我想確認一下我的結構觀念
D. 我無法解釋for providing..........的結構所以D的結構錯誤錯吧?
E.的as sources of building material and firewood式個插入句
我該怎麼翻他? as當介詞是表身分 可是在這裡不通.

wangsiwei

中心词是forests supply...., and provide
as引导的是插入语，可以先忽略，先看and前后的平行。

hijenny

More than all the North American Great Lakes combined, Siberia's Lake Baikal, with more than 300 rivers draining into it, holds 20 percent of the world's fresh water. 順便請問一下這句是不是也是流水句?
感恩

hijenny

我是想問D的 f0r providing....結構是錯的吧?
等待戰友回答中...

qingping01

wangsiwei 发表于 2010-7-8 14:00
中心词是forests supply...., and provideas引导的是插入语，可以先忽略，先看and前后的平行。 ...

同意！