肝脏触诊呈扩张性搏动，提示
A．二尖瓣关闭不全
B．三尖瓣关闭不全
C．肝硬化
D．肝癌
E．肝囊肿
参考答案：B
（） is meant to provide facility for customer’s need or inquiry and arrange it.
A.Service
B.business
C.customer service
D.making money
简述发展灵敏素质的注意事项。
