题目

I have been to quite a few restaurants·but I can say this one is .A. good B. better C. the better D. the best 答案:【答案】D【解析】试题分析:句意:我去过几家餐馆,但是我可以说这家餐馆是最好的。good好的;better更好的;the better更好的;the best最好的。根据I have been to quite a few restaurants可知此处比较的范围是三者以上,故用形容词的最高级,故选D。若函数f(x)满足:“对于区间(1,2)上的任意实数x1,x2(x1≠x2),|f(x2)-f(x1)|<|x2-x1|恒成立”,则称f(x)为完美函数.在下列四个函数中,完美函数是(  ) A、f(x)=1xB、f(x)=|x|C、f(x)=2xD、f(x)=x2
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