颗粒的粒度可由筛网的孔径大小调节的制粒技术是（）。
A.挤压制粒
B.高速混合制粒
C.流化制粒
D.喷雾干燥制粒
参考答案：A
Only __________according to the directions can the medicine be quite effective. [ ]
A. taking
B. taken
C. being tak'en
D. having been taken
FIDIC条款中，预付款又称( )。
A．交付预付款
B．动用预付款
C．动员预付款
D．开工预付款
