prep2 57对笔记有疑问啊

angelazhao1010

The ecosystems of barrier islands are extremely vulnerable--whether from natural processes like

shoreline recession, rising sea levels, and destructive hurricanes, or the ever-increasing pressures

of development.

(A) whether from natural processes like shoreline recession, rising sea levels, and destructive

hurricanes, or

(B) whether from natural processes such as shoreline recession, rising sea levels, and destructive

hurricanes, or also

(C) to processes that are natural like shoreline recession, rising sea levels, and destructive

hurricanes, and also

(D) to processes that are natural ones like shoreline recession, rising sea levels, and destructive

hurricanes, as well as to

(E) to natural processes such as shoreline recession, rising sea levels, and destructive hurricanes,

as well as to
这题选E。笔记中说“whether A, B or C,表示的是不同的选项，表示“是不是”这一不肯定的含义。在该句中，使用

whether… or…词组句子意思不合理”，是什么意思啊？是不是一定要接三者以上？

whether… or…词组句子意思不合理”，是什么意思啊？是不是一定要接三者以上？

angelazhao1010

自己顶一下~大家帮我解答下

舟楫

感觉是逻辑意思的问题
原句想说明的是BI的生态系统易受 natural processes such as shoreline recession, rising sea levels, and destructive hurricanes的侵害
be vulnerable to是固定词组，表示易受什么的侵害，所以表是否的whether or意思就不对了
另外，whether or可以连接两个词
e.g. slip over nothing whether big or small事无巨细