下列税种中采用累进税率的是（）。
A、消费税
B、增值税
C、营业税
D、个人所得税
参考答案：D
With a series of strange phenomena_____ , people living in the small village began to suspect that the earthquake was coming.
A to happen B happening C happened D being happened
椎－基底动脉供血不足可由下列那些因素引起（）
A.双侧椎动脉粗细不一
B.椎动脉粥样硬化
C.颈椎骨质病变
D.锁骨下动脉盗血综合征
E.创伤
