下列哪项是血栓前状态血小板活化的分子标志物（）
A.β-TG
B.t-PA
C.PAI
D.TAT
E.TM
参考答案：A
耳前的耳门、听宫、听会三个穴位，归经由上而下分别是()
A．三焦经，小肠经，胆经
B．小肠经，胆经，三焦经
C．胆经，三焦经，小肠经
D．三焦经，胆经，小肠经
E．小肠经，三焦经，胆经
Mr. Norman has raised some interesting points, but there's one thing he has completely failed to _____. [ ]
A. block out
B. account for
C. stand for
D. come up
