253. Analysts blamed May's sluggish retail sales on unexciting merchandise as well as the weather, colder and wetter than was usual in some regions. which slowed sales of barbecue grills and lawn furniture. (A) colder and wetter than was usual in some regions, which slowed (B) which was colder and wetter than usual in some regions, slowing OG的解释：In A, the insertion of was is unnecessary.
原本没什么疑问的， 但忽然记起几天前的讨论比较类题目的帖子。 记得7986 MM对以下题目的讲解： A grasshopper is larger than [face=黑体] is normal [/face] for a member of the insect class; Its abodomen can beup to 2 inches in the length, as opposed to the one inch long abodomen of the average insect. “is normal 更合适些。 ... than, as都可以看做代词作主语用，保留谓语。 1. Do not eat more than is good for you 2. It may be more important than would seem ...”
觉得7986 MM讲的没错。但不知道这两种情况有什么区别？"was colder and wetter than usual in some regions" VS " is larger than is normal for a member of the insect class"。 usual后的IN和FOR造成的不同？请明白人帮我解释一下。 谢谢了。
我的疑问是253题中的than usual和A grasshopper is larger than is normal for a member of the insect class; Its abodomen can beup to 2 inches in the length, as opposed to the one inch long abodomen of the average insect.中的 than is normal有什么结构不同之处?后者那题能用than normal吗?
A grasshopper is larger than is normal for a member of the insect class; Its abodomen can beup to 2 inches in the length, as opposed to the one inch long abodomen of the average insect. “is normal 更合适些。 ... than, as都可以看做代词作主语用，保留谓语。
Why in this question choose "usual" instead of "was normal"? I am confused. What's the difference?
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发表于 2003-9-12 09:06:00
