凡未经铁道部运输局公布的,技术参数不全的敞车、平车及长大货物车,一律不得使用。
参考答案:对
-How about going shopping today?
-Sorry. I don't feel quite myself today. I don't feel like ________ anything.[ ]
A.do
B.doing
C.to do
D.to be doing
不同的色别(如红与绿)只要光照度和反光率相同,两种色别的明度可以()
A.相反
B.不同
C.相近
D.相同