当从矿灯房领出矿灯时发现灯盒电池漏液，应要求更换。（）
参考答案：对
Every minute is made full _______ of _______ our lessons well.
A．to use; study
B．use; studying
C．use; to study
D．used; studying
既能温经止血，散寒调经，又能安胎的药物是（）
A.三七
B.干姜
C.蒲黄
D.艾叶
E.茜草
