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标题: 大全 392 [打印本页]

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作者: biggeo    时间: 2007-3-9 16:53
标题: 大全 392

    

392.       
In metalwork one advantage of
adhesive-bonding over spot-welding is that the contact, and hence the bonding,
is effected continuously over a broad surface instead of a series of
regularly spaced points with no bonding in between.

    

(A) instead of

    

(B) as opposed to

    

(C) in contrast
with

    

(D) rather than at（D）

    

(E) as against
being at

答案D。A为何错？

宾语从句： contact ... is effected over surface (instead of) a series of points, 此处surface和points并列，为何D中有at？

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作者: honghongyuyu    时间: 2007-3-9 17:42
这里做的是状语的对比，说明"在面上”比“在点上”更“有效” over a surface 和 at the points 对比

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