排便反射属于
A．正反馈调节B．负反馈调节C．前馈调节D．非自动控制调节E．免疫调节
参考答案：A
The truck ran down the hill, and the driver _____, according to the local newspaper, to have been killed.
A．was reported
B．was reporting
C．reported
D．had been reported
简述中间业务？
