Ⅰ. Read and circle the words with the correct stress.
1. It's unlikely* that the ancient people were able to record/record their history correctly.
2. Thanks to the government, the size of forests increases/increases year by year in China.
3. The nature has presented/presented us with many unsolved secrets, such as the Loch Ness Monster.

Ⅰ. 1. record 2. increases 3. presented

Ⅱ. Complete the sentences with proper words according to the Chinese given.
Shanay-timpishka
1. The Shanay-timpishka is known as the "滚热的 River of the Amazon".

2. To our surprise, this river is totally natural. Scientists haven't found any 化学物质 in it yet.
3. There have been a lot of论点 about why the river is so hot.
4. In local shamans'* 观点, the hot water is created by Yacumama, a giant spirit known as the "Mother of the Waters".
5. All in all, the cause for the heat in this river remains未知的.

Ⅱ. 1. Boiling 2. chemicals 3. arguments 4. belief(s)/opinion(s)/view(s) /point(s) 5. unknown

Ⅲ. Choose the proper sentences to complete the conversations.
A:Jim, do you think the boiling water is so hot because of the sun?

B:1. The sun does not have the power to heat the river to nearly 100℃.
A. That's possible. B. That's unlikely.
A:Have you heard of the city of Atlantis?

B:Yes, it's very strange. Do you think that the city is real and Poseidon built it?
A:2. I think someday scientists will find it.
A. That might be true. B. That's very unlikely.
A:Ben, Do you think scientists can find out the answers to unsolved secrets of nature?

B:3. They have the smartest brains in the world. What's more, with better technology nowadays, solving those secrets has become much easier.
A:I agree with you!
A. It's possible that scientists can solve them.
B. It's uncertain if scientists will work them out.

Ⅲ. 1. B 2. A 3. A