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文章大意 美国沙漠化问题。美国西南沙尘的起源，历史，调查对大平原地带的影 响，产生的问题。
1.The dust had shot up dramatically since the second half of 19 century True
2.The Aztec civilization disappeared due to the dust in the atmospheres false
3.Before people bringing castles southwest has a lot of basins in great plain false
4. Basins 'number decrease since European settlers found them are easy to be hu
nt not given
5. Railway building used more money than expected not given
6. &&&hand railway company work hard to protect the land they own false
7. Until today the land belongs to company still infertile. True
文章大意 本文主要讲了澳洲鹦鹉 Australia Parrots 在澳洲数量繁多的原因和各种特点习性的分析。在适应环境的过程中，有的鹦鹉灭绝了。
14.one example of one parrot species survive from the change of environment. D
20. parrot 都分布在哪些地区?C .in the continent which split up.
21. 关于 parrot beaks 哪一项是对的?D
22. nesting 的确定是什么?D
23. one-sixth in Australia
24. as easy as 16th century
25. mapmaker cartographer
第一段：之前一直认为只有人类是高智能，现在发现惺惺甚至鸟都有 Reviewing common belief ;
第二段：举三种鸟的例子 examples of different species of birds' intelligence
第三段：. 鸟的生存环境残酷，鸟也有竞争 Link between capacity of using tool and survival
第四段：脑大的鸟更聪明 physio... evidence of birds' intelligence
第五段：鸟的社会性 Link between cognitive ability and communal performance
第六段：white whig 什么鸟的幼鸟如何对待雏鸟 how birds trick on others(不确定)
三种鸟分别有两个 white whig 那个什么鸟。
1. 用工具砸开食物的 covering shell。
2. 还有最后一个选项 observer 那个，有人观察的时候幼鸟才会给雏鸟梳理羽毛 kate
3. 会用诱饵捕鱼 bait 选项
1.Some people argue that too much attention and too many resources are given to the protection of wild animals and birds. To what extent do you agree or disagree?
2.Old people have their own ideas of how to think, behave and live. However, these are no longer suitable for young people in preparing their modern life. Discuss both views and give your opinion.
3.Some people think that news media have been strongly influential in people’s lives, which is a negative development. To what extent do you agree or disagree?
4.In many countries, women are allowed to take maternity leave from their jobs during the first month after the birth of their babies. Does the advantage outweigh the disadvantages?
5.Some people think that environmental problems are too big for individuals to solve. Others, however, believe that the problems cannot be solved if individuals do not take actions. Discuss both views and give your own opinion.
6.New parents should attend a parenting course to learn how to bring up their children well. To what extent do you agree or disagree?
7.People still value artists in the age of advanced science and technology. What are the reasons? Are arts as important as science and technology?
8.Some people think technology makes life complex. In order have a simpler life, we should stop using the technology. To what extent do you agree or disagree ?
9.Some people think that universities should not provide theoretical knowledge, but give practical trainings that are beneficial to society. Do you agree or disagree?
10.In some countries, it's possible to buy a wide variety of foods transported from other countries. To what extent the benefits outweigh its drawbacks.