【单选题】杜甫“丽人行”诗中的“三月三日天气新,长安水边丽人行”之句谈到的是哪种节事的风俗。
【多选题】在平静的水中注入一滴墨水,则墨水的扩散过程中( )
【简答题】His services have been ______ by his employers, they have not properly rewarded him. (look)
【简答题】动点对于不同的参考系,其运动有不同的描述结果,绝对运动就是动点相对于( )的运动,相对运动就是动点相对于( )的运动。
【简答题】The university accommodation services have a ______ that students can look through online.
【单选题】A person's earnings seemed to have a major effect ______ the services received.
【单选题】His services have been ______by his employers; they have not properly rewarded him.
【单选题】A person's earning seemed to have a major effect the services received.