1. chemical 2. soil 3. disturb 4. mixture 5. substance 6. ruin 7. consumers 8. stable 9. pollution 10. supplies 11. decay 12. main

6. Fill in the blanks with the expressions given below. Change the forms where necessary.

1. leaked out 2. due to 3. are known as 4. depend on 5. giving off 6. make up

7. live on 8. have used up

10. 翻译 Translate the following sentences into English. 1. With the construction of the nuclear power plant, this city now doesn’t have to worry about its own electricity supply. Instead, it can supply electricity to other cities nearby. 2. These vegetables do not decay when kept at a relatively stable low temperature.

3. This city is known as the financial center of the country. The development of its economy depends heavily on banking and foreign trade.

4. This plant only lives on the top of certain high mountains and gives off a very sweet smell in spring.

5. The main cause of this area’s water pollution i the chemical substance that leaks out of a paper mill by the river bank. 6. This kind of litter is made up of a mixture of chemical waste. It has poisoned the soil, ruining it completely.