Ⅰ. Write the words, and match their pronunciations. 写出单词，然后与其读音连线。
1. 深度；纵深 t h d e p A. /rɪ'sɜːtʃ/
2. 潜水；跳水；俯冲 v e d i B. /ʌn'juːʒuəl/
3. 研究；调查 s e a r r e c h C. /daɪv/
4. 潜水艇 s u b s i b l e m e r D. /depθ/
5. 特别的；不寻常的 u s u n a l E. /'bɒtəm/
6. 底部；最下部 t t o m b o F. /səb'mɜːsəbl/

1. depth D 2. dive C 3. research A 4. submersible F 5. unusual B 6. bottom E

Ⅱ. Complete the sentences with the words or phrases in the box. 从方框中选择恰当的单词或短语，完成下列句子。
the bottom of, unusual, research, submersible, many other, as well as, curiosity, depth, dive

1. Before writing the science report about plants, Tom did lots of online.
2. Alvin was the first deep - sea capable (有能力) of carrying passengers.
3. Lily's about outer space made her join the school's astronomy club.
4. Last weekend, we saw an bird in the park. It had bright red feathers.
5. The of the swimming pool in our community is 1.5 metres.
6. During the summer camp, Mike learned how to into the pool properly.
7. My mom found my lost key at the desk drawer.
8. Emma doesn't dance Ella, but she sings louder than Ella.
9. Our school has a beautiful library, just like big schools in our city.

1. research 2. submersible 3. curiosity 4. unusual 5. depth 6. dive 7. the bottom of 8. as well as 9. many other

Ⅲ. Listen to 2b and 2c, answer the questions and summarize the conversation according to the answers. 听 2b 和 2c，回答下列问题，然后根据答语进行概要。
1. Why are people researching the deep sea?

2. What did China's Fendouzhe do in the Mariana Trench in 2020?

3. What are deep - sea animals like?
4. What facts shocked many people?

1. People still don't know much about the ocean floor.
2. It dived deeper into the Mariana Trench than many other vessels in the world and filmed it.
3. Many deep-sea animals are large and unusual. Some animals are blind, but they can "see" as well as others. Some can even create their own light.
4. There's rubbish even at 11,000 meters deep.