Ⅰ. Write the words, and match their pronunciations. 写出单词，然后与其读音连线。
1. 瀑布 t e r w a f a l l A. /miːnz/
2. 文明 v i z a c i l i t i o n B. /dɪ'veləpmənt/
3. 方式；途径 e a m n s C. /'dezət/
4. 发展；壮大 m e n t l o p v e d e D. /'wɔːtəfɔːl/
5. 沙漠；荒原 d e t s e r E. /ˌsɪvəlaɪ'zeɪʃn/

1. waterfall D 2. civilization E 3. means A 4. development B 5. desert C

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 development of, waterfall, the second longest, learn about, ancient civilizations, at all costs, desert
1. We were shocked by the beautiful . The sound of water was very loud.
2. In history class, we the culture and customs of ancient Egypt.
3. We are interested in the of Greece because of its stories and art.
4. The Amazon River is river in the world.
5. Scientists have done a lot of research on AI.
6. My uncle plans to travel through the in North Africa.
7. We should protect these wild animals .

1. waterfall 2. learn about 3. ancient civilizations 4. the second longest 5. the development of 6. desert 7. at all costs

Ⅲ. Read 3a, answer the questions and summarize the conversation according to the answers. 阅读 3a，回答下列问题，然后根据答语进行概要。
1. What is the longest river in China? And how long is it?

2. Why is the second longest river in China called the Yellow River?

3. What is the longest river in the world? And how long is it?

4. What do the Nile and the Yellow River have in common?

5. What do Yaming and Ella think people should do for these rivers?

Summary:

1. The longest river in China is the Yangtze River. It's about 6,300 kilometres long.
2. It is called the Yellow River because some parts of the river carry brown and yellow earth, making the river look yellow.
3. The Nile River is the longest river in the world. It's 6,671 kilometres long.
4. Both the Nile and the Yellow River helped ancient civilizations to develop, and they are still very important today.
5. They think people should protect these rivers at all costs.