题干
－ Have you seen the film Kongfu Panda?
－ No. but some of my friends _______.
－ No. but some of my friends _______.
A：are
B：have
C：do
D：will
答案(点此获取答案解析）
B
MnCl2+Cl2↑+2H2O 
2Cl2+2H2O(g)