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while引导的从句

while除了有"当/在……时候"的意思外(注意：引导的句子谓语动词只能是延续性动词!)，另外的两层意思也是考查的重点： (1)while = although "尽管"、"虽然"，引导让步状语从句;(2)while的意思是"然而;可是"，常用来表达对比关系。

[例句]

While I admit that the problem is difficult, I don't think that they can't be solved.

尽管我承认这个问题很难，但是我并不认为无法解决。

While I admit his good points, I can see his shortcomings.

虽然我承认他的优点，我也能看出他的缺点。

While I was angry with her, I didn't lose my temper.

虽然我很生气，但我当时没有对她发脾气。

While I understand your viewpoint, I don't agree with you.

虽然我了解你的见解， 我还是不能同意(你)。

I earn only 120 dollars a week, while she earns 180 dollars.

我一星期只赚120美元，她却赚180美元。

where…(地点从句)

[注意]where引导地点从句时，可以引导定语从句或是逻辑地点状语从句。当它在定语从句中作地点状语，指代地点时，这时可以用in which, on which, at which, to which, from which等结构代替。但是它引导逻辑地点状语从句时，没有这样用法。

[例句]

You should put the book where it was. 把书放回原处。

Persistent people begin their success where others end in failure.不屈不挠者从他人失败的地方获取成功。

Where there is a will, there is a way. 有志者，事竟成。

Where men are greedy, there is never peace. 人类贪欲不止，世界和平无望。

[请比较下面的句子结构的不同]

Potatoes can be grown where it is too cold to grow rice.(本句where引导地点状语从句)

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