二氧化碳溶解于水后产生了哪种新的物质？
二氧化碳与水反应，生成碳酸．
故答案为：二氧化碳与水反应，生成了碳酸．
横线里最大能填几？
7×______＜43
5×______＜38
9×______＜62．
—What do you think of that TV set as a gift for Mary’s birthday?
—__________,but I don’t particularly care for the design.
A．It’s the right thing
B．I think it’s a Chinese style
C．Not bad
D．Let me think it over once again
