十九世纪中叶,在广州的()街诞生了第一间现代化的茶楼,号称为()。
参考答案:十三行;三元楼
Wash your hands with soap ____ the experiment so as to keep in good health. [ ]
A. in the end of
B. at the end of
C. to the end of
D. by the end of
电测法贴补偿片的试验材料应与测试构件的材质相同。()