大型室间隔缺损后期出现持续青紫时肺血管压力的改变是（）
A.增高
B.降低
C.不变
D.动力型肺动脉高压
E.梗阻型肺动脉高压
参考答案：E
Don’t take a chance! Our teachers won’t have you ____ cheating in the exams.
A．getting away with
B．getting along with
C．getting rid of
D．getting interested in
在会计电算化环境下，记账规则与手工操作是不完全相同的。
