压型品每配４锅必须取样筛分检验混合料。
参考答案：对
They ______ at six o'clock in the evening. [ ]
A. do homeworks
B. do their homework
C. does his homework
D. do their homeworks
大肠经的络穴是（）
A.曲池
B.合谷
C.偏历
D.手三里
E.养老
