主机搅拌完成的水泥沥青砂浆进入成品仓时还需（）。
A.高速连续搅动
B.卸料低速搅动
C.不需搅动
D.间歇搅动
参考答案：B
____ my teacher's help, I wouldn't have made such great progress. [ ]
A. Thanks to
B. Owing to
C. But for
D. As to
什么是环境管理制度的“三同时”制度？
