题干
——It won't take long to clean our school if all the students are willing to help.
——Yes, I think so. ________.
A：Too many cooks spoil the broth
B：Don't put all your eggs in one basket
C：Many hands make light work
D：Every dog has its day
答案(点此获取答案解析）
C
LaNi5 + 6Ni(OH)2