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A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised in confinement.

正确答案: E

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请教OG46题

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楼主
发表于 2005-3-19 17:06:00 | 只看该作者

请教OG46题

请问E项是什么从句,为何主从时态一致?哪位大虾帮忙说说IF从句的规则啊。。。。。
沙发
发表于 2005-3-19 23:33:00 | 只看该作者

楼主,别忘了贴全问题。

46.   A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised in confinement.

(A) associated with other calves, they will require less medication and gain weight quicker than do

(B) associated with other calves, they require less medication and gain weight quicker than

(C) associate with other calves, they required less medication and will gain weight quicker than do

(D) associate with other calves, they have required less medication and will gain weight more quickly than doE

(E) associate with other calves, they require less medication and gain weight more quickly than

Choice E, the best answer, uses the adverbial phrase more quickly than to modify the verb phrase gain weight. In A, B, and C, quicker than is incorrect because an adjective should not be used to modify a verb phrase. E is also the only choice with consistent verb tenses. The first verb in the clauses introduced by showed that is exercise. A and B incorrectly compound that present tense verb with a past tense verb, associated. C and D correctly use associate, but C follows with the past tense required and D with the present perfect have required. Both C and D incorrectly conclude with the future tense will gain。

A study shows that if ..., they require...

在宾语从句中套了条件壮语从句

板凳
 楼主| 发表于 2005-3-22 12:16:00 | 只看该作者

斑竹,我知道这是OG的解释了!


但我想知道的是


A study shows that if ..., they require...


在宾语从句中套了条件壮语从句

就是条件句和主句时态一样?
[此贴子已经被作者于2005-3-22 12:18:45编辑过]
地板
 楼主| 发表于 2005-3-24 13:55:00 | 只看该作者

哈,是不是斑竹觉得我实在太烦就懒得理我了?

我也这样觉得,所以买了本某牛推荐的章振邦的《新编语法教程》,真的好用!!!

IF条件状语从句第一个规则:如果所诉为客观事实则主句从句一样均为一般现在时态。

5#
发表于 2019-9-28 15:42:48 | 只看该作者
If you use one of the WILL/WOULD constructions, you're usually implying some sort of remote or future consequence of the 'if' part. For instance: 'If you brandish a gun while committing a crime, you will be sentenced to at least ten years in prison.' Notice that the 'will' part - the prison sentence - is a consequence that comes after the given hypothetical (brandishing a gun), and is not contemporaneous with it.

If the 'then' condition is contemporaneous with the 'if' condition, you don't need to include the auxiliary verb - and, in fact, you'll usually be wrong in doing so.
Example: 'If a bacterium has chloroplasts, then it can make food from sunlight.' This sentence doesn't make sense with 'will be able to make food'.
Again, note that the two parts - (1) using the construction, and (2) implying remote causation - are contemporaneous (you're implying remote causation WHILE you're writing the construction). This sentence wouldn't make sense if it were written '...you will imply...' or '...will be implying...'

RON的解释
https://www.manhattanprep.com/gmat/forums/og-verbal-review-sc-39-t1450.html
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