People with different cultures (文化) and languages live together in India. It's a very old 1 with a large population. Today there are over1.3 billion people in India. Soon it might surpass (超过) China and 2 a country with the largest population in the world.

    Different 3 China, family planning in India isn't made. In the 1970s and 1980s the Indian government tried to 4 their growing population, but it is still increasing quickly.

    Many women have more than three 5 in India. About one third of India's  6 is under 14. It makes India one of the world's 7 countries. However, India has the largest proportion (比例) of people who can't read 8 write.

    More than 70% of Indian people live in the countryside. These years more and more people in the countryside are 9 to cities. But there they live in crowded places with no electricity (电) or clean water. As a 10 , cities like Mumbai, Calcutta and New Delhi have more and more problems.

    Tokyo is Japan's capital and largest city. It's also one of the largest cities in the world. To has a history of hundreds of years, and now it is the main part of a big city area. The big city area is called Greater Tokyo. It includes (包括) Tokyo and some other cities near it. There are over 30,000,000 people living in this area.

    Many streets of Tokyo are very crowded, and most of the buildings are very tall and modem. But how could such an old city look so modern? During World War II, over a third of buildings in Tokyo were destroyed (被摧毁). After World War II, people began to build the city again. That way, the city looked different from before.

    Today Tokyo is a very welcoming city. Many people come to visit Tokyo every day. The best way to go to the city from other parts of Japan is by train. And the Shinkansen the fast trains are famous all over the world. Visitors from other countries can enjoy themselves a lot in Tokyo. They can learn Japanese culture and try Japanese food. There are lots of nice restaurants in Tokyo. The city never goes dark at night. So walking in Tokyo at night is always an option for most visitors.

    If you come to visit Japan, make sure you stop in Tokyo for at least (至少) a few days.

A: Hello Sandy This is Mary speaking, ？

B. I'm Xi'an

A. Are you taking a holiday there?

B. Yes.  ？

A: I'm writing a report.

B: ?

A: It's about the population.

B: Well, I think you can write about the population of Xi' an.

A: Good idea. ?

B: More than 8 million.

A: Is the population of Xi'an larger than that of Dalian?

B: Let me ask my father. Maybe he knows it.

A: All right.

提示要点：1．水越来越脏；2．塑料袋(plastic bags)随处可见；3．树木被砍伐(cut down)。

要求：针对以上三个问题提出合理化建议。

—Well, it' s a good idea to make        in class