按要求写句子。

1．石头房子是这个地区的特色。（characteristic   adj. 汉译英） 2分

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2．It is about time for you to get rid of that old gas-guzzling car. （同义句改写）2分

It is about time that __________________________________________________

3．With the influence of history, society and culture, there are no precise criteria which can be used to judge what is beautiful. （英译汉）4分

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