已知b1=b2，则一定有（）
A.r1=r2
B.tr1=tr2
C.tb1=tb2
D.tr1=tb
E.无法判定
参考答案：D
Completely lost in the exciting________of the football match, Tom didn't feel his pocket picked.[ ]
A. scene
B. view
C. atmosphere
D. sight
医保卡如何使用？
ng________of the football match, Tom didn't feel his pocket picked.[ ]