装有蜜蜂的车辆与整车装运标有△丰的农药车编入同一列车时，应将蜜蜂车挂在农药车前部，并至少隔离（）辆。
A、3
B、4
C、5
参考答案：B
胆囊癌转移最常见的途径是：()
A．血行转移
B．淋巴结转移
C．直接侵犯肝脏
D．腹膜种植
E．以上均有可能
-Good morning, Mr Brown. Would you please tell me the result of the exam?
-OK. You did quite welt. You made __________ mistakes.[ ]
A. a few
B. few
C. little
D. a little
