单项选择题 Why do Chinese people paste a reversed character Fu on the door or the wall when Spring Festival comes? A、Because they think it is interesting to do so. B、Because they want to be different from others. C、Because it signifies the arrival of blessings. D、Because it looks more beautiful.

单项选择题 ​以下不属于柏拉图的著作篇目的是：‎ ​‎

多项选择题 以下哪些属于躯干部(   ) A. 头部 B. 颈部 C. 背部 D. 腰部 E. 尾部 F. 四肢