— Do you ever quarrel ______ your family ______ which TV programme to watch?— No, never.
A:about; with
B:over; with
C:to; about
D:with; about
配方法解方程x2-4x+2=0,下列配方正确的是( )
①中医药学具有鲜明的民族特色
②中医药学是中华文化一脉相传的重要见证
③中华文化具有博大精深的特点
④中华文化具有兼收并蓄的特点
如图是某几何体的三视图,该几何体是( )