题干
The house rent is increasing sharply nowadays. I’ve got about half the space I had five years ago but I am paying _______ now.
A：as five times much
B：as much five time
C：much as five time
D：five times as much
答案(点此获取答案解析）
D
CH3COO－＋H＋ 要使溶液中c(H＋)/c(CH3COOH)
值增大，可以采取的措施是
