在英美法系国家，亲属法( )
A．置于民法典的“人法”编中
B．在民法典中专设一编
C．被制定为专门的婚姻家庭法典
D．由一系列单行法构成
参考答案：D
— People should stop using their cars and start using public transport.
— ________. The roads are too crowded as it is.[ ]
A. All right
B. Exactly
C. Go ahead
D. Fine
MPEG-2与MPEG-1相比有什么特点？
