展示学校的办学宗旨和特色的课程是（）
A.地方课程
B.校本课程
C.国家课程
D.学科课程
参考答案：B
Many people like to talk about generation gaps. I don't think there is ________ in my family though.
A．it
B．some
C．none
D．one
熟料冷却的目是什么？
