题干
Now everybody, please turn to Page and look at the picture.
A：Fifth; fifth
B：Nine; ninth
C：Nine; nineth
D：Fourth; four
答案(点此获取答案解析）
B
Now everybody, please turn to Page and look at the picture.
A：Fifth; fifth
B：Nine; ninth
C：Nine; nineth
D：Fourth; four
Ca2+（aq）+2OH-（aq），当向一定量的石灰乳悬浊液中加入少量生石灰时，下列说法正确的是（ ）