来源于蔷薇科植物的药材是
A.苦杏仁B.砂仁C.栀子D.酸枣仁E.瓜蒌
参考答案:A
解析:苦杏仁来源于蔷薇科植物山杏.东北杏、西伯利亚杏或杏的成熟种子。故答案选A。
The boss often ______ the workers ______ for 12 hours a day.[ ]
A. make, work
B. makes , to work
C. makes , work
D. make , working
料民于太原