1 . The local government has worked out a rule to ________ (禁止) smoking in public. (根据汉语提示单词拼写)

2 . Nowadays citizens are b________ (禁止) from smoking in many places of work. （根据中英文提示填空）

3 . Smoking is b________ in all public places.（根据首字母提示拼写单词）

4 . It makes sense to eat a reasonably ___________ (均衡)diet when slimming.

5 . The party, which had been greatly looked forward to, was spoiled by the rude ___________(行为) of an uninvited guest.

6 . He thought he would b ________ from going to school.

7 . We should try to keep the ________(平衡) of nature to protect the earth.

8 . Poor health and lack of money may both be _________ (障碍) to educational progress.

9 . They have almost spent as much as one________(十亿) dollars on this project.

10 . We should try our best to keep the b________ of nature or we’ll be punished by it.