【单选题】--- _________? --- It’s Saturday, November 13th.
【单选题】下列抗氧化剂中属于单线态氧淬灭剂的是 ( )。
【简答题】设函数f(x)在(a,b)内可导,如果f'(x)>0,则函数f(x)在(a,b)内______;如果f'(x)<0,则函数f(x)在(a,b)内______:如果f'(x)=0,则函数f(x)在(a,b)内______.
【单选题】—_________? —It's Saturday, November 13th. [ ]
【单选题】—___________________? —It's July 7th. [ ]
B.
What's the date today?
C.
What's the weather like today?
【单选题】各教学系要依据班级年度量化考核结果,组织系部全体老师或班主任民主评议,确定推荐( )