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