题干
- I really want to join the square dance. Can I learn the dance well?
- Yes, Mom! Nothing is impossible ______ you put your heart into it!
A：as long as
B：as soon as
C：even if
D：unless
答案(点此获取答案解析）
A
CO2（aq）△H=—19.75kJ/mol，为增大二氧化碳气体在水中的溶解度，应采用的方法是
