阅读理解

　　When the Audet family turns on the lights at Blue Farm, they are using electricity that comes from cows－cow manure(粪肥), to be specific．

　　Cows produce a lot of wastes．One cow can create 30 gallons of wastes each day．Now imagine the output of over 1, 000 cows at Blue Farm．That’s really a big amount．

　　When farmers clean their barns, they put the wastes in a big heap, and spread some of them on their fields for fertilizer(肥料)．But now places like Blue Spruce Farm have a new way of using cow wastes．They use them to produce electricity．

　　Here’s how it works：A big machine moves back and forth cleaning the barn floor．“The cows aren’t bothered,” says Marie Audet．“They are animals of habit; they get used to it, and just lift one foot and then another to let it go by．”

　　The machine pushes the manure into a big 600-gallon tank like a small swimming pool．The tank is called a digester(化粪池)because what happens there is just like what happens inside a cow：Bacteria(细菌)get to work and continue to digest the manure．

　　Methane gas(甲烷、沼气)in the atmosphere is known as a “greenhouse” gas because it keeps heat just like a greenhouse does, causing our planet to warm up．That’s an environmental concern．But the digester has a good result．Its gas is kept and used to power electric generators(发电机)．

　　At Blue Farm, the generators make enough electricity to power 400 homes．The Audet family sells the extra electricity they can’t use themselves．

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阅读理解

　　E-book is short for electronic(电子的)book．It is usually read on personal com puters．Some mobile phones can also be used to read e-books．

　　Earlier e-books were written for a specific group of readers and were about only a few subjects．With the development of the internet, knowledge and answers to a lot of questions mainly come from e-books．This is why the e-book business is increasing quickly E-books have many advantages．First, they save time．We don’t need to go to a bookstore to buy books, besides, we can find the topic we want to know about on the Internet, and then we can quickly get many e-books on similar topics．Second, e-books save money．Some e-books cost a little money, and there are millions of e-books on the Internet that we can get for free．Third, more trees are saved because e-books don’t need to be printed(印刷)on paper．Fourth, e-books make reading more convenient．You can carry a whole library of hundreds of books with you in a small computer or any e-book reader(电子阅读器)without worrying about their weight．

　　But e-books have certain disadvantages．They need a personal computer or an e-book reader and the information can be lost if its file format(文件格式)is not supported or changed in the reader’s computer．

　　However, e-books provide us with a new way of reading．That is good．

根据短文内容，选择最佳答案。

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阅读理解

　　When you get tired of homework, several minutes' walk in a nearby green park helps you relax at once．Or you may stand facing the lake or the seas．They will calm(not to be excited or nervous)you just like the green plants．

　　Wonder why? Color is a key part of the answers．Since it is so, green and blue help make people feel more quiet and safe．

　　All colors have special power．Scientists have found that many colors have specific effects(效果)on people's mind and feelings．

　　Try an easy and interesting experiment and you'll see how color “mislead” you sometimes．Wrap(包装)two boxes of the same size with colored paper, one red and the other white．Then weigh the two boxes with your hands．Which one is heavier? Most people will think that the red box is heavier, even though they weigh the same．

　　Colors can affect(影响)learning．Scientists have found that students spend more time reading if they read information written in blue text．Blue helps most people calm down and think more．

　　Clever uses of colors in daily life are to be seen everywhere．Hospitals and libraries seldom paint their walls, tables and desks red．They use light colors, like light blue or green．Red makes people excited while light colors help them relax．Haven't worked out how color affects your daily life? Start with your small room．Try to make some changes in it and you'll get to know how important color is!

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完形填空

　　This week we asked students at New Star High School about the best ways to learn more English．Many said they learned by 　　1　　 English．Some students had more specific 　　2　　．Lillian Li, for example, said the best way to learn new words was 　　3　　 reading English magazines．She said that memorizing the words of pop songs also 　　4　　 a little．When we asked about studying grammar, she said,“I 　　5　　 study grammar．It’s too boring．”

　　Wei Ming feels differently．He’s been leaning English for six years and really loves it. He 　　6　　 studying grammar is a great way to learn a 　　7　　．He also thinks that watching English movies 　　8　　 a bad way because he can watch the actor 　　9　　 the words．Sometimes, however, he finds watching movies frustrating 　　10　　 the people speak too quickly．

　　Liu Chang said that 　　11　　 the English club at school was the best way to improve her English．Students get lots of practice and they also have fun．She added that having conversations with friends was not helpful at all．“We get 　　12　　 about something and then end up speaking in Chinese,” she said．

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阅读短文，然后根据其内容，从A、B、C、D四个选项中选择最佳答案。

　　Nobody wants to be 　　1　　．Unfortunately(不幸地)our bodies can develop problems．When we aren't 　　2　　, our bodies tell us．Sometimes a part of our body hurts．When a part of our body 　　3　　, we say we have aches and pains．We can have aches and pains in different parts of the body．

　　We call some simple 　　4　　 problems“aches．”For example, we can have a headache, a toothache, an earache, a backache or a stomachache．Other simple problems are not 　　5　　 aches, so we describe them in different ways．For example, we can have a sore throat, a sore leg, a sore toe．

　　“Pain”is another word that we use to 　　6　　 a problem．We can have a pain in the chest, a pain in the shoulder or a pain 　　7　　 the back．A pain is strong．Also, a pain hurts in a specific place．

　　When aches and pains aren't too 　　8　　, we can buy medicine in the drugstore．Usually small aches go away quickly．When pain is more serious, we 　　9　　 to visit the doctor(or the dentist)．The doctor asks us what our symptoms(症状)are．The doctor may have to do tests or take X-rays to 　　10　　 what is wrong．Then he or she will tell us what to do．

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