直线l方程为:x+2y-6=0,化为斜截式 y=-12x-3,
∴斜率为-12,
故选B.
根据句意和首字母提示填空。
1. How was your summer h_________?
2. W_________ was your father this morning?
3. The little boy g_________ up very early yesterday.
4. She can speak English and J_________.
人类本身是独立于大自然的一员