题目内容
12．
Let me tell you something about sharks．Sharks are among the oldest animals in the world．There are over three hundred fifty different kinds of sharks in the world．Most sharks are about two meters long and live in the oceans．A shark can smell something in the water，for example，the blood of animals．That helps them find their food．Sharks mainly eat fish，other sharks and plants in the ocean．
Most sharks bite （咬） people by mistake．They think a person is a large sea animal．When the sun goes down or comes up，sharks are looking for food．So at these times people shouldn't go swimming in the ocean．
Today people kill sharks for food and their skin．The number of sharks in the world is dropping fast．
61．How many kinds of sharks are there in the world？B
A．Less than 350．
B．More than 350．
C．About 200．
D．Over 400．
62．What do sharks mainly eat in the ocean？A
A．Fish，other sharks and plants．
B．Fish and plants．
C．Other sharks and plants．
D．Fish and other sharks．
63．Why do most sharks bite people by mistake？B
A．Because they think a person is dangerous．
B．Because they think a person is a large sea animal．
C．Because they think a person can hurt them．
D．Because they think a person can take away their food．
64．Why shouldn't people go swimming in the ocean when the sun goes down or comes up？C
A．Sharks are everywhere at those times．
B．Water is cold then．
C．Sharks are looking for food then．
D．Sharks are looking for a person then．
65．How is the number of sharks in the world today？A
A．It is dropping fast．
B．It is rising fast．
C．It is not changing．
D．We don't know．
分析 让我告诉你一些关于鲨鱼的事情，鲨鱼是世界上最古老的动物之一，世界上有超过三百五十种鲨鱼，大多数鲨鱼长约两米，生活在海洋中．
鲨鱼能闻到水里的东西，例如动物的血液，帮助他们找到食物．鲨鱼主要在海里吃鱼，其他鲨鱼和植物．
大多数鲨鱼咬人是偶然的．他们认为人是一种大型的海洋动物．当日出和日落时，鲨鱼在寻找食物，所以在这些时候，人们不应该去海里游泳．
如今人们为了食物和皮而捕杀鲨鱼，世界上鲨鱼的数量正在迅速下降．
解答 61．B细节理解题．根据第一句There are over three hundred fifty different kinds of sharks in the world．可知世界上有超过三百五十种鲨鱼，故选B．
62．A细节理解题．根据第二段Sharks mainly eat fish，other sharks and plants in the ocean．可知鲨鱼主要在海里吃鱼，其他鲨鱼和植物，故选A．
63．B细节理解题．根据第三段Most sharks bite （咬） people by mistake，They think a person is a large sea animal可知，故选B．
64．C细节理解题．根据第三段When the sun goes down or comes up，sharks are looking for food．So at these times people shouldn't go swimming in the ocean．可知当日出和日落时，鲨鱼在寻找食物，所以那时候不要去游泳，故选C．
65．A细节理解题．根据最后一句The number of sharks in the world is dropping fast可知世界上鲨鱼的数量正在迅速下降，故选A．
点评 做题时要在理解好文意的基础上，与题目有机的结合，从文章中找到相关细节性的句子与选项细细比对，进行选择或推理判断，选出符合文章内容的正确选项．做题注意灵活，有时可采用排除法或直选法确定出最终答案．
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| 57．A．this | B．that | C．one | D．it |
| 58．A．buy | B．sell | C．borrow | D．lend |
| 59．A time | B．money | C．food | D．drink |
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| 61．A．expensive | B．small | C．free | D．large |
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4．
As teenagers，changing the world does not only mean finding a cure for cancer，or finding the origin of humanity，but recycling a piece of paper as well．Going Green is a practical way that teenagers can have a real and meaningful influence in the world．What follows are three simple ways teenagers can go green and change the world．
Recycle
According to a Wire & Twine online article，63million newspapers go out to street vendors （摊贩），local paper boys，or newspaper dispensers every day and of those 44million are thrown away．Recycling the Sunday newspapers alone we could save half a million trees a week．The age of technology creates new phones，iPods，or new computers．Many people will stand in line for hours to get their hands on the new piece of technology，but what happens with the old ones？Nothing．According to Earth911，about 75% of the old devices （设备） are thrown in the back of a drawer collecting dust．
Go vegetarian （素食主义） one day a week
Here are some amazing facts on going vegetarian for only one day．According to Noam Mohr，a physicist at the New York University，the United States would save 100billion gallons of water which is enough to offer all homes in New England for about 4months．The Environmental Defense concludes with the most interesting fact：if the whole population gives up one meal of chicken，the amount of carbon dioxide accumulated （累积的） would be the same amount if more than half a million cars were taken off U．S．roads．So giving up just one day of eating meat is worth the advantages it could bring．
Don't drink too much bottled water
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Just keep in mind what Margaret Mead once said，"Never doubt that a small group of thoughtful and committed （坚定的） citizens can change the world．Indeed，it's the only thing that ever has．"
As teenagers，changing the world does not only mean finding a cure for cancer，or finding the origin of humanity，but recycling a piece of paper as well．Going Green is a practical way that teenagers can have a real and meaningful influence in the world．What follows are three simple ways teenagers can go green and change the world．Recycle
According to a Wire & Twine online article，63million newspapers go out to street vendors （摊贩），local paper boys，or newspaper dispensers every day and of those 44million are thrown away．Recycling the Sunday newspapers alone we could save half a million trees a week．The age of technology creates new phones，iPods，or new computers．Many people will stand in line for hours to get their hands on the new piece of technology，but what happens with the old ones？Nothing．According to Earth911，about 75% of the old devices （设备） are thrown in the back of a drawer collecting dust．
Go vegetarian （素食主义） one day a week
Here are some amazing facts on going vegetarian for only one day．According to Noam Mohr，a physicist at the New York University，the United States would save 100billion gallons of water which is enough to offer all homes in New England for about 4months．The Environmental Defense concludes with the most interesting fact：if the whole population gives up one meal of chicken，the amount of carbon dioxide accumulated （累积的） would be the same amount if more than half a million cars were taken off U．S．roads．So giving up just one day of eating meat is worth the advantages it could bring．
Don't drink too much bottled water
There is a common idea that bottled water is healthier than regular tap water．However，25% of bottled water comes from regular tap water which goes through a filter （过滤）．Bottled water companies do not need to list where they got the water from，how they clean the water，or what chemicals their plastic water bottles have．Plastic bottles do not get recycled 90% of the time which results in 1.5million tons of plastic in landfills which are not easy to decompose （分解）．In fact，after considering that bottled water and tap water have few differences，people should use more reusable water bottles．"
Just keep in mind what Margaret Mead once said，"Never doubt that a small group of thoughtful and committed （坚定的） citizens can change the world．Indeed，it's the only thing that ever has．"
| Topic | How teenagers can go green | |
| Definition | Going green is a practical way which teenagers can make a （56）difference to the world．It is really meaningful． | |
| （57）Waysto go green | Recycle | •Unluckily，only about （58）nineteenmillion newspapers are really in use every day． •People usually （59）throwmost of the old devices in the back of a drawer． |
| Go vegetarian | •All homes in New England use about 100billion gallons of water in four （60）months． •The Environmental Defense concludes that it should be worthy for people to （61）stop eating meat just one day a week． | |
| Drink （62）lessbottled water | •Most of plastic bottles do not get recycled and it produces millions of tons of plastic which are （63）hardto decompose． •In fact，it's better for people to （64）usemore reusable water bottles． | |
| Conclusion | Just（65）rememberthe words said by Margaret Mead that thoughtful and committed citizens can change the world． | |
2．----What your teacher now？---He is cleaning his office．（ ）
| A． | are； doing | B． | is doing | C． | are do |