根据下表所给的数据，写一篇关于过去五年里人们的饮食（diet）变化情况的文章。要求写出下表的变化趋势，产生变化的原因以及将来的发展情况。字数在100字左右。

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完成句子根据汉语意思完成下列句子，每空一词 (共20个空格；每空0.5分，满分10分)

1.这种药物已经进行过人体试验；现在有一点是肯定的，它有可能降低得心脏病的风险。

The drug has been _____ _____ on humans. _____ is certain now is that it has the _____ to reduce the risk of heart attacks.

2.人们建造动物园是为了拉近人类社会和大自然的距离。而且，动物园能为当地的旅游业做贡献，这肯定是对周围地区的经济发展有利的。

Zoos are built to shorten the distance between human society and nature. _____ _____, zoos can _____ _____ local tourism, which is surely _____ _____ the economic development of the local neighborhoods.

3.为了找出那起事故的真相，他一直在当年的报刊杂志中仔细搜寻，另外还查阅了所有相关的网页。

In order to find out the truth of the accident, he has been _____ _____ all the newspapers and magazines of that year, along with all the relevant web pages.

4.研究显示有些将过多时间用于上网的学生已经辍学，他们往往会脱离周围的人和世界。

The study shows that some students, who spend too much time on the Internet, have _____ _____ and tend to _____ _____ the people and the world around them.

5.在完成了一项为期三个月的工程后，她累坏了；为了放松一下，她已决定今年去法国度假。

She was _____ _____ after a three-month-long project and has _____ _____ France for her holiday this year for relaxation.

1. A new study indicates that those who watch movies in which actors smoke a lot are much more likely

               of smoking.（develop）

一项新的研究显示经常观看有演员吸烟镜头的人更有可能养成吸烟的习惯。

2. The stability of a society depends on                the extremes of human behaviour.（respond）

一个社会的稳定取决于该社会对人们的极端如何作出回应。

3.              from her brothers since the age of seven, she made several attempts to get in touch with them but in vain.（separate）

她自从七岁就与兄弟们分开了，她多次尝试和他们取得联系但都没有结果。

4.. I requested that Tom              me by next Friday.（return）

我要求汤姆下周五以前把那本书还给我。

5.. I suppose by the time I come back in two years’ time the new school              （set）

我想两年以后我回来时这所新学校就会建起来。

6.. Barach H. Obama，            is an inspiring story, is the first American to move upward to the highest office in America.（success）

奥巴马的成功是一个鼓舞人心的故事，他是第一位在美国升至最高官员的非裔美国人。

7.. Hardly                 when he phoned his parents.（land vi）

他一安全下飞机就给父母打了个电话。

8.. Israel offers automatic citizenship to all Jews who want it,              （whichever）

犹太人只要愿意，均可自动加入以色列国籍，不管他们说何种语言。

9. In order to start reading this book you                that the physical symptoms your were experiencing were due to anxiety.（idea）

开始读这本书之前，你一定已经了解到，你身体的不适症状是源于焦虑。

10. I showed him a map of China in the Ming Dynasty               on it.（with）

我给他看了一张明朝时的中国地图，所有的边界都画在上面。