Many teenagers(青少年) feel that the most important people in their lives are their friends．They believe that their family members don’t know them as well as their friends do．In large familie
---- How was the movie last night? ---- I’ve never seen before. It was so breathtaking! A．the best one B．the better one C．a good on
经国务院批准，文化部公布了第一批国家非物质文化遗产名录，春节、端午节、昆曲、京剧、藏族的雪顿节、傣族的泼水节、彝族的火把节等民俗入
曲线y=在点（0,2）处的切线与直线y=0和y=x围成的三角形的面积为 A. B. C. D. 1
下列物质表现的性质，属于物理性质的是（ ） A. 镁能燃烧 B. 铁能变成铁锈 C. 水能变成冰 D. 炭能用于炼铁
在历史学习中学生要具备探究历史问题的能力和实事求是的科学态度。在对豆腐起源的探究中，你觉得最可信的是（ ）A．李时珍认为豆腐起源于西
