1 . To their satisfaction, the project was finished not only ahead of schedule but within________.(预算) (根据汉语提示单词拼写)

2 . Confucius, b________ to the State of Lu in the Spring and Autumn period, is the founder of the Confucian school of philosophy.(根据首字母单词拼写)

3 . It can be b________ or good to share your feelings with someone you trust.(根据首字母单词拼写)

4 . To my surprise, he pressed a b________ and the door closed automatically (自动地). (根据首字母单词拼写)

5 . In a sense, using computers has a ________ (有益的) effect on children’s individual learning. (根据汉语提示单词拼写)

6 . Madam, I'm sorry to b________ you, but can you show me the way to the nearest post office? （根据首字母单词拼写）

7 . Doing exercise is b________ to our health.

8 . We must do what we can do to keep the ______(平衡) of nature.（根据汉语提示单词拼写）

9 . The reporter was accused of unprofessional________(行为). （根据汉语提示单词拼写）

10 . The fall in prices will be________ (有利于) to small business. （根据汉语提示单词拼写）