又称为一步制粒法的是（）
A.干法制粒法
B.挤出制粒法
C.流化喷雾制粒法
D.喷雾转动制粒法
E.湿法混合制粒法
参考答案：C
珠江三角洲地区有两条通往北方地区的铁路线，它们分别是_____、_____。
It is usually considered that living with disability is ().
A．challenged and frustrated
B．challenged and frustrating
C．challenging and frustrated
D．challenging and frustrating
