题干
– We’ll spend the vacation in Hawaii. Don’t you think it is a wonderful idea?
-- ___ I have waited for it for a whole year. Now my dream has come true.
-- ___ I have waited for it for a whole year. Now my dream has come true.
A：I don’t think so
B：No, it isn’t.
C：How wonderful!
D：Just so-so
答案(点此获取答案解析）
C
CuSO4+SO2↑+2H2O从环保和经济的角度分析，利用途径