在拒绝顾客或者制止顾客的不恰当行为时应该有理有节，切不可态度生硬、行为鲁莽。
参考答案：对
－I'm very tired these days because of studying for physics.
－Why not ____ muisc. It can make you _____. [ ]
A. listen to; relaxing
B. to listen to; to relax
C. listening to; relax
D. listen to; relax
首选治疗为
A．输血小板浓缩液B．抗纤溶药物C．免疫抑制剂D．肾上腺皮质激素E．脾切除
