SOS儿童福利机构的办村模式是以家庭方式抚养和教育孤儿。()
参考答案:对
It makes no________which road you take;both lead to the city,and they are equally long. [ ]
A. point
B. sense
C. matter
D. difference
向100 mL 18 mol/L的硫酸中加入足量铜片,加热并充分反应。下列有关说法正确的是( )
A.充分反应后转移1.8 mol电子
B.H2SO4只作氧化剂
C.若不加热应生成H2
D.消耗的铜的质量一定少于57.6 g