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【单选题】
设函数 在闭区间 上连续,则下列说法正确的是( )A.
在 上必取得最大值，但未必取得最小值
B.
在 上必取得最小值，但未必取得最大值
C.
如果 ，则存在 ，使得
D.
如果 ，则存在 ，使得
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【单选题】To sum up, cosmetic surgery is becoming more acceptable to people for a variety of reasons. First, because of the images promoted in the media, people are now inclined to put more value on physical be...
A.
The popularity of cosmetic surgery is the result of too much influence from the fashion industry. People should realize that real beauty does not lie in a person's appearance but in their mind.
B.
Recently, there are many TV programs and websites which introduce people who have had cosmetic surgery and who explain how much their surgery cost. For people interested in having cosmetic surgery, such information is very useful in helping them make up their minds. They can start life as a new person.
C.
For these reasons, it is no wonder more people want to have cosmetic surgery to feel more "attractive ". There are still many people who feel uncomfortable with the idea of cosmetic surgery, but the trend will continue as long as there are people who pursue perfection inphysical appearance.
【简答题】cosmetic
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【单选题】在声明: char a[ ]="my name is Jennie."; const char *pa=a; 前提下,下列语句哪个是有语法错误的?