善消肉积并可用治痛经的药物是()
A.山楂
B.麦芽
C.谷芽
D.鸡内金
E.神曲
参考答案:A
—What’s the matter with you?
—______ the window, my finger was cut unexpectedly.[ ]
A. Cleaning
B. To clean
C. While cleaning
D. While I was cleaning
地锚使用的注意事项?