在□ABCD中,AB:BC=1:2,周长为18cm,则AB= _________ cm,AD=_________cm.
3;6
自愿出口限制属于( )。
A.对出口的直接干预
B.对出口的间接干预
C.关税措施
D.对进口贸易的干预
If it is a nice day tomorrow, we ______ to the amusement park. [ ]
A. are going to
B. will go
C. go
D. have gone