3 接着他们去看美人鱼表演。
4个美人鱼在长8米、宽7米、高6米的长方体水池中游来游去，漂亮极了。这个水池的容积是多少？如果水深5米，那么水池装了多少立方米的水？

3.容积:336000升 装水:280立方米

4 下面是熙熙参观完海底世界后写的英语游记。
A visit to the Ocean World
It was Sunday. It was a nice warm day. I went to the Ocean World with my family. There were many sea animals at the Ocean World.
First, I saw a shark. I was afraid. I did not like the shark.
Then I saw some dolphins. The dolphins jumped and swam in a big pool. They were cute and clever. I liked the dolphins.
仔细阅读并回答下面的问题。
(1) When did they go to the Ocean World?

(2) What did they see there?

(3) What was Xixi afraid of?

(4) What did the dolphins do?

4.(1)They went to the Ocean World on Sunday.
(2)They saw a shark and some dolphins.
(3)She was afraid of the shark.
(4)They jumped and swam in a big pool.