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.


whether from natural processes like shoreline recession, rising sea levels, and destructive hurricanes, or

whether from natural processes such as shoreline recession, rising sea levels, and destructive hurricanes, or also

to processes that are natural like shoreline recession, rising sea levels, and destructive hurricanes, and also

to processes that are natural ones like shoreline recession, rising sea levels, and destructive hurricanes, as well as to

to natural processes such as shoreline recession, rising sea levels, and destructive hurricanes, as well as to

考题讲解

题目分析:
利用本题,让我们总结一下as well as的用法及概念。as well as有两种情况:
(1) as well as构成同级比较结构,意为“和 „„ 一样好”。第一个as是副词,第二个as是连词,引导一个状语从句,表示同级比较。 在否定句中可用not so well as代替not as well as。例如:
He speaks English as well as a native speaker.  (他讲的英语是和英语是母语的人一样好)

(2) as well as用作连词,连接两个并列的同等成分,其意义为“不但„„而且„„”,“既„„又„„”,这时相当于not only ... but also ...。它所连接的部分既可以是单词、短语,也可以是句子。在A as well as B的结构里,语意的重点在A,不在B。例如:
He can speak Spanish as well as English. (连接两个宾语) 他不但会说英语,而且会讲西班牙语。

选项分析:

A选项:本选项措辞有误,需将or改为as well as或and。这是因为,在逻辑上,岛上的生态系统应该是会被“自然过程”和“更强的发展”两者所影响,而不是两者中的一个所影响。

B选项:措辞有误同选项(A)。

C选项:processes that are natural需改为natural processes。这是因为,通常地,前置定语表示一个事物的恒久属性,后置定语表示一个事物的暂时属性,例如:
a sleeping bag
**a bag that is sleeping
第二个例子是不正确的, 只有睡袋,没有正在睡觉的袋子。这是因为,sleeping是bag的固有属性。又例如:
**a sleeping boy
a boy who is sleeping
第一个例子是不正确的。这是因为,睡觉对男孩来说,是暂时的属性,不是恒久的属性(睡美人是Sleeping Beauty,这是因为,睡觉的时间已经长到了是她的固有属性了)。
在本题中,显然地,natural是processes的固有属性,因此应该用前置定语。

D选项:processes that are natural ones错误同选项(C)。

E选项:Correct. 本选项在语法上和逻辑上均是正确的。本题中用as well as或者用and均是正确的。

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