若直线l1:x+ay+6=0与l2:(a﹣2)x+3y+2a=0平行,则l1与l2间的距离为( )
A:2
B:823
C:3
D:833
下列文言语句的翻译,不正确的一项是( )
在梯形ABCD中,AD∥BC,AD=2,BC=5,点E、F分别在AB、CD上,且EF∥AD,若 AEEB=34,则EF的长为____.
There are not many cars on the road____ ____the bad weather.