40. 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.fficeffice" />
(A) instead of
(B) as opposed to
(C) in contrast with
(D) rather than at
(E) as against being at
The corrected sentence must contrast an effect of spot-welding with an effect of adhesive-bonding. To do so logically and grammatically, it must describe the effects in parallel terms. When inserted into the sentence, D produces the parallel construction over a broad surface rather than at a series. Having no word such as over or at indicate location, choices A, B, and C fail to complete the parallel and so illogically draw a contrast between surface and series. In E, as against being is a wordy and unidiomatic way to establish the intended contrast. Choice D is best.
我也是根据rather than 的前后对称,锁定了本定答案。但题是做对了,但怎么也读不懂此题,有高手能帮忙翻成中文吗?
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