1. 选词填空

due to, die out, make progress, become aware of, on average, under pressure, recover from, be concerned about

1. （1） When we are , we tend to desire sugary and fatty foods.
3. （2） This experience made us  the importance of helping others.
5. （3） As a result these endangered animals may even .
7. （4） The little boy has  recently, which made his parents glad.
9. （5） , a person wastes between 95 and 115 kilograms of food.
11. （6） It was a long time before she  the operation.
13. （7） People take part in eco­friendly activities because they  the health of the environment.
15. （8） It was lack of money that their marriage broke up.