【单选题】80/2 On Teachers' Day children go to visit their teachers __________. A. year after year B. year by year C. day by day D. month by month
【单选题】涂装时,喷出的喷雾流向应尽量于物体表面的方向
【判断题】当出现社会马太效应,意味着资源配置效率上升了。()
【单选题】Letters of recommendation received after the first of the month will not be reviewed by the admissions officer______ to your file.