大圆脸适合的发型Unit 1 My school1.党员履行的义务重点单词，会读会认会默写：first floor , second floor , teachers’ office , library , playground , computer room,  art room , music room .2.基数词变序数词的口诀：基变序，有规律，词尾加上th，一二三，特殊记，词尾字...