血府逐瘀口服液的主治为()
A.心阴不足,心悸健忘
B.气滞血瘀所致的胸痹
C.心火亢盛、阴血不足证
D.心气虚寒,心悸易惊
E.阴虚血少所致的头眩心悸
参考答案:B
Mr. Black was so____ to his research that he seldom cared about what happened around him.
A.devoted
B.concerned
C.absorbed
D.used
道路.场地宽敞时,往往主观估计的车速要比实际速度低。