1. 根据短文内容，选择正确答案。

    What will our world be like in 2020 We aren't quite sure, but it's interesting to make some predictions.

    Languages

    English should still be the most popular language, but Chinese should be the second. Now, many foreign people are studying Chinese as their second language.

    Water

    Water will become as expensive as oil because many rivers will disappear. We will have to save water and pay more for clean water.

     Education

     More students will study online. Students from all over the world may study together on the Internet.

1. （1） The passage is mainly talking about ______.

   A . the school life B . some interesting news C . The life in the past D . The life in the future
3. （2） Many foreign people will learn ______ as the second language in 2020.

   A . Chinese B . English C . Japanese D . French
5. （3） Water will become expensive because ______.

   A . more people will need water B . many rivers will disappear. C . people will live under the sea. D . oil will be cheaper
7. （4） The writer talks about ______ predictions in the passage.

   A . two B . three C . four D . five