1 . The headmaster made an official ________ saying that all of us could not use the smart phones on campus. (announce) （所给词的适当形式填空）

2 . As a psychologist, he has helped some patients suffering from ________, depression, and eating disorders. (anxious) (所给词的适当形式填空)

3 . After attending the lecture, we all raised the ________ of living a green life. (aware) （所给词的适当形式填空）

4 . Seeing his wallet in his bag, he blushed with ________ (embarrass). （所给词的适当形式填空）

5 . As an athlete, I was pushing the l_______ (极限) and extremes beyond what most thought were healthy. (根据中英文提示单词拼写)

6 . He made the choice to give all his money away and this, he said, brought him _____________.(根据句意填空)

7 . Over the last d________, an average of 2,500 people have died every year in vehicle accidents. (根据首字母单词拼写)

8 . For more than 50 years, he has devoted his life to rice p________. (根据首字母单词拼写)

9 . Sixteen years ago, Jason was a college professor with a huge six-bedroom house and a f________ of two million dollars. (根据首字母单词拼写)

10 . Plastic wrapping keeps the fruit clean during the t________ process. (根据首字母单词拼写)