调节射入眼内光线的结构是
A．角膜B．虹膜C．脉络膜D．晶状体E．玻璃体
参考答案：B
In order to reduce the increasing prices of vegetables, the toll____ if a truck carrying them passes through a toll station．
A．has cancelled
B．is cancelled
C．was cancelled
D．had been cancelled
瑶柱的涨发方法是（）
A.浸发
B.焗发
C.煲法
D.蒸发
