在寒冷地区,住宅设计的主要矛盾是( )问题。
A.保湿 B.防寒C.采光 D.通风
参考答案:B
— What are the students ________ about?
— Whether Senior 3 students should join in the coming school sports meet.[ ]
A. quarrelling
B. inspiring
C. fighting
D. arguing
该模具的退料方式是怎样的?