（）指从发运地到目的地，不是走最短的路线，而是绕道造成过远的运输里程。
A.重复运输
B.迂回运输
C.合理运输
D.对称运输
参考答案：B
—Dad, could you buy me a computer like this?
—Of course, we can buy_________one than this, but_________it.
A．a better, better than
B．a popular, as good as
C．a more popular, not as good as
D．a cheaper, as good as
在通信设备供电系统的直流配电系统中，有（）配电和（）配电两种配电方式。
