阅读理解：七选五
A
Have you wanted to try an ebook? Has the cost of ebooks stopped you? Well, there are ebooks that you can download.__1__ Others share information about where to find free or discounted ebooks.
There are several reasons some ebooks are free.In some cases, the book's copyright (版权) has come to an end.In other cases, writers offer books for free to grow a readership.__2__ The writer hopes you will like the first book enough to buy those that follow.Similarly, Amazon is filled with free ebooks, with a list of the top 100 free ebooks.This list changes constantly, based on how well the books are “selling” and whether they become or remain free.
When you find a free ebook you want to read, get it right away.__3__ If you wait too long, you may discover the book now has a price attached.
__4__ They offer free ebook files to download directly from the sites.These files could have bad software designed to infect your computer.It is best not to download ebooks, or any file, from an unknown site.
Some free ebook sites offer referral (推荐) links to other websites. __5__ These referral sites help you find free ebooks of interest to you.They also let you know when an ebook is free or goes on sale.
A．Be careful of some websites. B．So visit Amazon's list quickly. C．Several websites offer free ebooks.
D．Referral links provide lists of best sellers. E．Often the offer is open only for a short time. F．Often a free ebook will be the first in a series. G．Therefore, you can download free ebooks there.
语篇解读：本文是一篇说明文，介绍了获取免费电子图书的一些注意事项。
1．选C 根据上句的“you can download”和下文的“Others share information ...”可知，此处是指一些网站提供免费电子图书，而另外一些网站则提供关于免费或者打折电子图书的信息。
2．选F 第二段主要介绍了提供免费电子图书的一些原因。根据下句的“buy those that follow”可知，有些作者为了吸引读者，系列丛书的第一本往往是免费的，一旦你喜欢上了，你就会花钱购买系列中的其他图书。
3．选E 根据上句的“get it right away”和下句的“If you wait too long, you may
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discover the book now has a price attached.”可知，如果你找到了想读的免费电子图书，就及时下手，否则等的时间长了，你会发现书签上有了标价。故E项(通常免费提供期是很短暂的)最恰当。
4．选A 根据本段的“infect your computer.It is best not to download ebooks, or any file, from an unknown site”可知，该段主要告诫读者警惕一些不良网站。 5．选G 根据本空后的“These referral sites help you find free ebooks”可知，一些免费电子图书网站提供访问其他网站的链接，因此你可以在这些推荐网站下载免费电子图书。
B
Should We Get Rid of Cash?
When it comes to money, many people still think of the paper bill in their wallets. For years, cash (or paper currency) has played an important role in our daily activity.__1__
The idea first came up when he read a statistic report about currency distribution released by the US Treasury, the department in control of the central bank. __2__ On the other hand, border states like Florida and California, which were heavily involved in drug trafficking (贩毒), see an ever increasing need for large bills.
Rogoff argues that most big bills in circulation were being used for one of two purposes. Profit-motivated crimes such as illegal gambling, drugs, prostitution, loan sharking, the fencing of stolen merchandise take up a major part. Tax evasion (逃税) by people who arrange to receive cash income and don't report it also contribute to its popularity.__3__
However, the total amount of cash issued by government is still booming. The government don't know where it goes. __4__ But they are happy to know that it's popular, because they make money by making money — about $70 billion a year. It is unlikely that they can enjoy such benefit though. If taken into account the human cost, the enforcement cost, the tax loss, these visible profits will be easily offset.
__5__ Here's a typical opinion: “The day we go cashless, the government will be able to track your every move. This is nothing more than a call for dictatorship.”
A．He strongly urged the government to do something about it. B．They don't know who's using it.
C．There are other people who see cash very differently.
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D．The problem is that it also aids crime.
E．But Harvard professor Ken Rogoff is now appealing to the government to put it into extinction.
F．He noticed that some regions, like the Midwest, had almost no demand for the $100 bills.
G．But its popularity is slowly decreasing as we have more ways to pay, according to Harvard professor Ken Rogoff.
语篇解读：本文是一篇议论文。文章以“金钱”为切入点，主要讨论了是否应该取消现金的问题。
1．选E 空格前提到现金在我们的日常活动中起重要作用，再结合第二段第一句中的“The idea first came up when he read a statistic report”可以判断，空格处应指但是有人认为应该取消现金。E项承上启下，符合语境。故E项正确。
2．选F 空格前提到Rogoff读过一份货币流通的统计报告；空格后提到另一方面，一些涉及大量贩毒的边境地区需要大面额纸币，故空格处应介绍Rogoff从报告中获取的关于不需要大面额现金的信息。F项“他注意到一些地区，像中东，几乎不需要100美元面额的钞票”，符合语境。故F项正确。
3．选A 该段介绍了大面额钞票的两种非法用途：非法获取高额利润和逃税。据此可以判断，空格处应为Rogoff对此的看法。A项“他强烈要求政府对此采取措施”承接上文，符合语境。故A项正确。
4．选B 根据空格上一句“The government don't know where it goes.”可知，政府不知道这些钱去哪了；据此可以判断，B项“他们也不知道谁在使用这些现金”与上句相呼应，都是政府的表现。故B项正确。
5．选C 根据空格下一句可知，本段陈述的是对于现金的另外一个观点；据此可判断，C项“也有人对现金有不同看法”，符合语境。故C项正确。
C
How to Deal with Being Indoors During an Earthquake
Would you know what to do if you are indoors during an earthquake? Many modern buildings made of RCC (Reinforced Cement Concrete) are designed to withstand moderate earthquakes and are actually quite safe. __1__
Stay indoors. Do not move outside. __2__ Going outside is when people get injured from things falling off the building or other buildings.
__3__ Drop before the earthquake drops you. Use the “Drop, Cover and Hold” method—drop onto the ground, take cover under a strong and sturdy object and cover your head with your hands and arms. Hold onto whatever you might be underneath,
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because if it starts to move, you'll want to make sure that you're moving with it.
Get under something heavy. __4__ If possible, get under something heavy like a desk or table. Cover your head. Get down low and make sure that you are protected from things that might be falling in your home.
Find other supports if you cannot shelter under something. If you're not able to get under a table or other forms of protection, get next to an interior wall. Make yourself as small as possible. Cover your head and protect yourself while the shaking is going on.
Stay in bed if you are there already. If an earthquake starts while you are in bed, the best thing is to stay there. Cover your head and neck with your pillow and ride out the shaking. __5__ It has been reported that people who get out of bed during an earthquake are more likely to be injured as they may step on broken glass.
A．Drop onto the ground. B．Find a heavy desk quickly.
C．Earthquakes lead to many disasters.
D．Do not get out of bed until the shaking stops. E．This simple how-to will bring you up to speed quickly.
F．It is unlikely that you will be able to walk during an earthquake. G．Steps and lifts are actually more dangerous than staying indoors. 篇章导读：本文是一篇说明文。文章介绍了如果在发生地震时你在室内的话应该怎么做。
1．E 下文的各个小标题概述了具体的建议，由此可知选E项，引出下文。 2．G 空格处上文讲地震时不要外出，G项顺接上文，解释其原因。
3．A 空格处是本段主题句。从内容看，该段主要讲述地震发生时，要蹲在地上，躲避在坚固的物体下，用手和胳膊护住头。故选A项。
4．F 本段主要讲述地震时要找到厚实的物体作为遮蔽物，防止落物伤人，F项解释其原因，说明为何要这样做。故选F项。
5．D 由本段第二句中的“... in bed, the best thing is to stay there”及空后句子所述这样做的原因可知，空格处所填句子应进一步强调待在床上等待地震结束，D项所述符合前后语境。
D
You are sitting on the desk. A teacher is writing on the blackboard. Kids are yelling in the playground outside. A book falls off the desk next to you. Suddenly, the teacher hands you a pop quiz.
Don't panic! __1__You're in a “virtual (虚拟的) classroom”. Everything you see and hear is coming to you through a computer-operated display that you're wearing on your head like a pair of very big glasses. Wearing this kind of virtual-reality
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equipment, you can find yourself sitting in a classroom, touring a famous museum, wandering across a strange landscape, flying into space, or playing with a cartoon character. __2__Virtual-reality equipment that delivers images and sounds directly to your eyes and ears makes these fake worlds seem lifelike.
Unlike the classroom, the technology is real. It's a type of technology that uses computer programs to imitate real world situation. __3__ Movie directors and video game producers have been using computers for years to create ever more realistic special effects. Some companies are now building three-dimensional (三维) fantasy worlds in which players, linked by computer networks, appear to meet and go on explorations together.
__4__ They see virtual reality technology as a useful tool for learning more about why people act as they do. It could help psychologists deter identify and come up with solutions for behavior problems, for example.
“We've spent the last 100 years looking for certain laws in how people interact with the real world，” says psychologist Albert. “__5__ This is psychologist's dream.”
A．You aren't actually in school.
B．This technology has been used in many fields. C．Some psychologists are also getting into the act.
D．Grown-ups, too, stand a chance of benefiting from this technology. E．As part of one classic test, you watch letters flashed on a computer screen. F．You don't have to leave your room to experience all that mentioned above. G．Now, we've got a powerful tool that lets us create worlds and see how people perform.
篇章导读：本文是一篇说明文，讲述了虚拟现实技术。虚拟现实技术可以让人足不出户就进行各种体验。这种技术已应用在了很多领域，心理学家们也用这种技术来解决难题。
1．A 根据上文“Don't panic！”及下文“You're in a ‘virtual (虚拟的) classroom’．”可知，这一句话应该是要解释为什么不要惊慌。故选A。
2．F 根据“Wearing this kind of virtual-reality equipment, you can find yourself sitting in a classroom, touring a famous museum, wandering across a strange landscape, flying into space, or playing with a cartoon character.”可知，虚拟现实装备可以让人足不出户就体验各种情景。故选F。
3．B 根据“Movie directors and video game producers have been using computers for years to create ever more realistic special effects. Some companies are now building three-dimensional (三维) fantasy worlds in which players, linked by computer networks, appear to meet and go on explorations together.”可知，虚拟现实技术应用在了很多领域当中。故选B。
4．C 根据下文“It could help psychologists deter identify and come up with
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