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 two weeks. These days, I have
a lot about the population in China.
China has a population of 1.3 billion. It has reached about one of the world’s population. About 80 percent of the people live in the
. It causes many difficulties. In less developed areas, not all the parents can offer
children a good education. Some children can’t go to school.
China has taken measures to the population. China’s economy （经济）grows
faster and their living conditions have changed a lot.
of us have lived in bright and tall buildings. We have had ring roads and they are
enough. We have had more comfortable life.
, the large population problem is still serious in China.
How about the population of your country? Can you tell me about it?
Yours,
Maria
| pollute million use but we keep another healthy danger of other with |
The earth is our home; we must take care of it. This means that it is necessary and important ________the land, air and water clean. However, pollution is beginning to threaten(威胁) our
__________, happiness and our life ——we see it, smell it taste it and discuss it.
Men began to________the earth a long time ago. When land was
________up or water became dirty, men had to move to
________places. At first, there weren’t so many people then and there were less trash. All the dirty things could be absorbed (吸收)by nature.
______now this is no longer true. The increase of population and the development
________ industry have changed that. Men are still polluting the environment.
later, ________of people have realized the
________of pollution. A lot of people are now working hard to protec
________ environment. Everyone should try their best to make our environment better and better.
选择方框中动词词组的适当形式填空。
| dress up take part in pay attention to laugh at depend on |
When she falls into water, some people _____________ her and some people help to save her.
The little children must ____________ their parents.
I will have a party, so I want to _____________ beautifully.
We should _______________different activites at college.
If you want to improve your English, you should _______________ your pronunciation.
| make progress regular nine sheep relax |
. When we face the sea, we will feel _________.
. The King family are going to celebrate their son’s________ birthday next Sunday.
. As we all know, eating __________ can improve our health.
Tom, with his classmates, __________ in English this term already.
Australia is famous for its millions of _________.
“Make a roundabout way,”someone
Do what others have not thought to do, or something that never tried before. That is the key to success. In the view of a wise man, a difficult
A successful businessman was invited to a TV
Here was his problem. “ People all rushed to the place where a gold mine(矿) had just been 
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