1 . A balanced diet is of great b________ to our health.

2 . The poor couple held their wedding ceremony on a tight __________（预算）.

3 . The nurse carried in a baby wrapped up in a warm ________ (毛毯).

4 . This holiday b_____________ (小册子) can give you all the information you need.

5 . This medicine has proved ________ (有益的) to mankind, because it has saved millions of people’s lives.

6 . I can make a ________ (打赌) that our team will win. （根据汉语提示单词拼写）

7 . Parking is b___________ (to say that something is not allowed) around the harbor in summer.

8 . Those standing behind her on line demanded that she make her complaints _________(简洁).

9 . Every competitor is to present his work and give a ________(简短的) introduction to it.（根据汉语提示单词拼写）

10 . Aspirin and penicillin have saved millions of people's lives and have proved b ______to mankind since they were invented.