题目

若函数在其定义域内的一个子区间内不是单调函数,则实数k 的取值范围是( )     A.[1,+∞)     B.[1,)      C.[1,2)             D.[,2) 答案:B根据下表提示写一篇题为“My pleasant trip to Beijing”的文章,不少于80词。 Main points(要点) Details(细节) Place Beijing Time last summer holiday People my parents and I Experience (1)    sightseeing (places of interest) (2)    food/shopping the Palace Museum  Tian’anmen Square(biggest) the Great Wall(wonderful)   Beijing Duck Wangfujing Street Feeling excited, happy, tired want to visit again My pleasant trip to Beijing
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