用方框中所给单词的适当形式填空，使短文正确、通顺（每词限用一次）。

Dear Dick,

How time flies! I have been back to school   小题1: two weeks. These days, I have  小题2: a lot about the population in China.

China has a population of 1.3 billion. It has reached about one   小题3:of the world’s population. About 80 percent of the people live in the   小题4:. It causes many difficulties. In less developed areas, not all the parents can offer   小题5: children a good education. Some children can’t go to school.

China has taken measures to   小题6: the population. China’s economy （经济）grows   小题7: faster and their living conditions have changed a lot.  小题8:of us have lived in bright and tall buildings. We have had ring roads and they are  小题9: enough. We have had more comfortable life.

 小题10:, the large population problem is still serious in China.

How about the population of your country? Can you tell me about it?

Yours,

Maria

回族的基本情况是怎样的