既用于湿阻中焦，又用于健忘耳目鸣的药物是
A．苏合香 B．石菖蒲C．麝香 D．苍术E．冰片
参考答案：B
The factory has helped many poor children since it _____.[ ]
A. started
B. starts
C. has started
D. is starting
《为人民服务》是毛 * * 同志在纪念谁的追悼会上的讲话？（）
