六、阅读短文，在欣赏美妙的海底世界的同时，完成下列任务。
We are having a school trip now. We go to the Underwater World(海底世界) in our city. It takes us 30 minutes to get there by bus. We can see sharks(鲨鱼), dolphins(海豚), seals(海豹), sea lions(海狮) and many other sea animals there. There are lots of people watching the sharks and the dolphins. The sharks are swimming freely. And the dolphins are very clever, they can sing and dance. They can even do Maths. Dolphins are my favourite sea animals. And I want to buy a picture of dolphins for my sister.
任务一:根据短文内容,回答下列问题。
1. What are they doing today?
They .
2. How long does it take them to get to the Underwater World?
It to get to the Underwater World.
3. What are the sharks doing?
They .
任务二:根据短文内容,选择正确的答案。
()4. Which animal isn't in the Underwater World?
A. Sharks. B. Lions. C. Seals.
()5. What's the meaning(意思) of the underlined word "freely"?
A. 生气地 B. 自由地 C. 可怕地
()6. What can't the dolphins do?
A. Sing a song. B. Do Maths. C. Play the piano.
()7. Which one is proper(恰当) for the blank(空白处)?
A. He will like it very much.
B. The school trip is really fun.
C. We are tired.

1. are having a school trip
2. takes them 30 minutes
3. are swimming freely
4. B
5. B
6. C
7. B

任务一：
1. 从短文第一句"We are having a school trip now."可直接定位答案，5个空依次对应相关内容即可。
2. 从短文第三句"It takes us 30 minutes to get there by bus."提取信息，4个空依次对应相关内容即可。
3. 从短文"The sharks are swimming freely."提取信息，2个空依次对应相关内容即可。
任务二：
4. 短文中介绍的海底动物包含鲨鱼、海豹，没有提到陆地动物狮子，因此选B。
5. 划线单词"freely"的中文释义为“自由地”，符合鲨鱼在水中游动的状态，因此选B。
6. 短文中提到海豚会唱歌跳舞、做数学题，没有提到会弹钢琴，因此选C。
7. 全文都在描写愉快的海底研学旅行经历，A选项的he指代不明，前文提到要送画的对象是妹妹，C选项“我们很累”不符合全文的愉悦基调，B选项“这次学校旅行真的很有趣”作为全文收尾最恰当，因此选B。