一个圆柱形蓄水池，底面半径4米，深5米。

（1）这个水池能蓄水多少吨？（每立方米水重1吨）

（2）若在这个水池的侧面和池底抹上一层水泥，抹水泥的面积是多大？

22假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的一篇作文。文中共有8处语言错误， 要求你在错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号（∧），在其下面写上该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1. 每处错误及其修改均仅限一词；

2．只允许修改8处，多者（从9处起）不记分。

mountain in our town. The weather was fine. It was about noon before we arrived at

the foot of it. The three of them were very excited. As we climbed the mountain, we

fed monkey, visited temples and took pictures since the scenery was so beautiful.

Time pass quickly. It soon got dark. We had supper at a restaurant. The food was

expensive and the service was good. Then we spent on the night in a hotel at the top

of the mountain. I was tired but what wonderful the trip was!