轧辊上刻痕有利于轧件咬入。

器官移植患者急性排斥反应的主要原因是（）。

A.ABO血型抗体不合

B.HLA-Ⅰ类抗体不合

C.受者曾做过某种同种移植

D.慢性免疫性炎症

E.细胞免疫应答

The art show was _____ being a failure; it was a great success.[ ]

A. far from  

B. along with

C. next to  

D. regardless of

—Are you _      the dark?          

—Oh, yes. I always go to sleep with the light on.  [ ]

A. used to                    

B. afraid of   

C. interested in   

D. good with

We had to ______ our visit to the Bird Nest because we didn’t have enough time to see them before we left Beijing.

A．prohibit

B．postpone

C．promote

D．deposit

心包经的原穴是

A．间使

B．神门

C．大陵

D．内关

E．中冲