一、用括号内所给词的适当形式填空。
1. Noise is unpleasant,(especial) when you are trying to sleep.
2. It's(harm) to your eyes to read on the bus.
3. He was in(dangerous) of losing his life.
4. What are the common types of(environment) noise?
5. If the number of sharks drops too low,the(ocean) ecosystem will be in danger.
6. I can't afford(go) to a restaurant every day.
7. The discovery of DNA was a major(science) achievement in the field of biology.
8. My parents are going(pay) for my summer camp this year.
9. Many(industry) in our country are developing rapidly,contributing to the growth of the economy.
10. We must take action now(prevent) the situation from getting worse.

1. especially 2. harmful 3. danger 4. environmental 5. ocean's 6. to go 7. scientific 8. to pay 9. industries 10. to prevent