具有润肠通便作用的药物是
A.凉血止血、祛痰止咳B.收敛止血、止痢杀虫C.凉血止血、解毒敛疮D.收敛止血、消肿生肌E.化瘀止血、活血定痛
参考答案:E
Timmy goes to school __________ every day . It’s 5 minutes’ walk from his home to school .
A.in a bus
B.by MTR
C.on foot
D.by train
对道路交通安全管理违法行为的处罚在时效方面是如何规定的?