料石应检查产品质量证明书，石材、砂浆检查试块试验报告。
参考答案：对
Mr. Lin ______ when I go to see him on Sundays.
A．is always working
B．was always working
C．always worked
D．has always worked
入煎剂需后下的药物是（）
A．鹿角霜
B．薄荷
C．海金沙
D．人参
E．阿胶
