道路两则做宽、深各()的排水沟。
A.100-50mm
B.150-100mm
C.200-150mm
D.300-200mm
参考答案:D
根据下图判断:A、B、C、D四幅图中能够正确表示自然资源、能源和矿产资源三者的关系是
After learning these,they ________ how to prevent the kid entering the Internet bar.[ ]
A.worked out
B.figured out
C.turned out
D.came out