2. If you want to give up smoking in a short time,it will be difficult. 

 ――        smoking in a short time.

O同义句转换(用it作形式主语) ]

1.We all knew that they had broken their promise.                                                                            ¹ ――         they had broken their promise. 

I accustom oneself to,no need,at risk,no good,in spite of

1. His best solution to maintaining an effective health plan is to       eating more vegetables and fruits.

2. ―It is        continuing to work too hard like him.

―I agree,as the proverb goes, "All work and no play makes Jack a dull boy."

3. Since you have repaired my computer,there is        for me to buy a new one.

4.       the end of their relationship,they still keep in touch with each other.

5. If you take the risk of not wearing a seat belt,you are       .

One day,I was walking along the street while a stranger stopped me and asked me the way to a new restaurant. I told him the route and direction careful. As soon as I finish,the stranger thanked me a lot of and started off. However,to his sur?prise,he went at a wrong direction. Then I stopped the men at once and told him that he was wrong. Unexpected,he smiled and told me the truth which he didn't really want to ask the way. But instead he was just trying to know whether every?one knew exactly where the new restaurant,for he was the owner of the new res?taurant.

5. -Excuse me,I want to have my watch fixed,but I can't find a repair shop.

 ―I know        nearby. Come on,I'll show you.

4. I would appreciate             very much if you could give me some suggestions.

3. The Parkers bought a new house but it will need a lot of work           they can move in.

2. I need to buy the newly made MP4 badly but I can't afford             .

1. ―Have you got used to the weather here?

―Yes. But I don't enjoy it in the summer             it rains on end.

下面是一场健康讲座的内容简介，请你用英语写一篇100词左右的短文介绍讲座情况。时间：上个月演讲者：健康专家张教授主题：久坐伤身现状：随着电视、电脑的发展，人们坐着的时间超过历史上任何时期久坐的危害：颈痛，背痛，肥胖，心脏病，死亡专家建议-

学生、办公室工作者等久坐人群应养成好习惯：步行或骑自行车上学上班，不开车；走楼梯，不坐电梯；打电话时站立；学生下课期间要起身活动。