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A Johnny was three when he ran away from home for the first timeSomebody left the garden gate openJohnny wandered out,crossed some fields and,two hours later,arrived in the next villageHe was just able to give his name and address By the time be was seven,Johnny used to disappear from home two to three times a yearSometimes he covered quite long distances on footSometimes he got on a bus or even a train,and simply sat there until someone asked for his ticketGenerally the police brought him home“Why do you do it?”they used to ask“I just like seeing places,”Johnny told them Johnny continued to “see places”although everyone tried to stop himHis parents used to watch him closely,and so did his teachers;but sooner or later Johnny managed to slip awayAs he grew older,his favorite trick was to hide on a long distance truckSometimes he trayelled hundreds of miles before anyone discovered him It is hardly surprising that eventually Johnny managed to board a planeHe was twelve at the timeIt was a cargo plane and a few hours later,Johnny found himself in CairoHow did he get on board? No one knows! According to Johnny himself,it was easy:he just went into the airport,walked along some passages and got on board the nearest planeIn spite of all this,Johnny did well at schoolHe enjoyed mathematics and languages and,perhaps not surprisingly,he was especially good at geography“What do you want to be when you grow up?” his teachers asked him“An explorer!” he answered“But it,s difficult to become an explorer in this modern age,”they tried to tell himBut it was no use:Johnny knew what he wanted! Just before he left school,Johnny saw a notice in a daily paperA long journey was about to go to Brazil to travel up the Amazon RiverThere were jobs for three young people “willing to work hard and with a sense of adventure”Johnny applied,and two months later,he was on his way to Brazil56Johnny frequently left home because Ahe preferred to stay alone Bhe enjoyed seeing new places Che couldnt do well at school Dhe didnt get along well with his parents57People around Johnny Atried to stop him froIli slipping away Bkept following him to get him backCbooked tickets for him if necessary Dwere clear about how he travelled abroad58From the passage,we can learn that 5AJohnny worked for a daily paper BJohnny lacked a sense of adventureCJohnny went exploring along the Amazon River DJohnny went to Brazil two months after he finished schoolBEditor Henry Slocum, I read your May 10th article in the local newspaper Honesdale Times about electronic books,or e-books,with great interestYou made several good points about the disadvantages of e-booksYou may have overlooked,however,some of the ways in which they are superior to traditional booksYes,e-books are expensive,but they are also convenientIn addition,due to their environment-friendly nature, e-books have the potential to change our planet for the better E-books, for anyone who is unfamiliar with the term,are about the same size and shape as regular booksThey have a large screen in the middle,howeverThis screen shows the reader a page of text that has been downloaded from a computerOnce the reader has finished reading the page on the e-book screenhe or she scrolls down to see a new pageThe process continues until the entire book has been read As you pointed outMrSlocum,its great to lie on a warm,sandy beach with a bookYou can do that just as easily with an e-book as you can with a traditional paper bookIn fact,because e-books are so light, you can carry them anywhereSay,for example,that you like to read on the busWhich would you rather carry with you-a heavy 800-page novel,or an e-book that weighs only a few ounces? Another important advantage is offered by e-books as wellThey are more environmentfriendly than traditional booksAt present,thousands of trees are cut down each year to meet the publishing industrys demand for paperBooks that dont sell are eventually returned to the Dublisher and destroyedThis terrible waste could be avoided if everyone used e-books,which require no paperSincerely,David Eng59What does Editor Henry Slocum think about e-books?AInteresting BExpensive CConvenient DEnvironment-friendly60What is mainly talked about in Paragraph 2 ?AWhat an e-book is BWhy e-books are popular CHow e-books have developed DWho are the readers of e-books61In Davids letter, he thinks that AE-books will come down in priceBE-books come in various sizes and shapesCE-books do little harm to the environmentDE-books are no better than traditional books62The main purpose of the letter is to Aexplain how to read e-books Bhonor the person who invented e-booksCscold publishers for wasting so much paper Dprovide evidence that e-books are a good ideaCLosing weight comes with a lot of health benefits-including making your brain sharperYes,it turns out that overweight may damage cognitive functions such as memory and attentionThere have been few studies of overweight and cognitive functioning,possibly because it is generally believed that it is not a primary risk cause for poor cognitive performanceLosing weight,therefore,may help improve these mental functions,according to a new research led by John Gunstad,assistant professor of psychology at Kent State University Growing evidence suggests that being fat is linked to cognitive deficits(缺陷)So Gunstad and his team guessed that losing weight might improve mental functionFor their study,they measured memory and attention in a group of l 50 overweight participants,some of whom had some kind of operation for weight loss and some did notAll of the volunteers completed mental skills tests to assess their abilities of memory and attention at the beginning of the study,and again 12 weeks laterTo begin withabout 24of the patients showed damaged learning and 23showed signs of poor memory when testedAt the end of the study,those who had lost weight after operation improved their scores into the average or above average range for cognitive functionsScores for the volunteers who didnt lose weight dropped even further The study helped Gunstad to find out whether losing weight had any effect on mental functionNow that hes seen the positive effect that weight loss can have on memory and attention,he says he will next study those who choose to lose weight by the traditional way-eating healthier and getting more activeHe expects that losing weight in this way will have a similarly positive effect on the brain“If we can improve the condition with operations,then we can probably produce the same change with behavioral weight loss as well,he says.63There is less research on overweight and cognitive functions because researchers Abelieve overweight only affects our bodyBhave focused on ways to sharpen peoples mindCdo not consider overweight a main cause for low cognitive abilityDare clear about the relation between weight and mental functions64The result of Gunstads study shows that Alosing weight has little effect on peoples memoryBlosing weight can improve peoples mental functionsCoverweight people are likely to have psychology problemsDoverweight peoples abilities of concentration differ greatly65What is Gunstad planning to prove next in his research?ASlim people are smarter than overweight peopleBHealthy diet is better than exercise in losing weightCTraditional ways of losing weight are better than operation DOverweight people will get smarter by taking more exercise66Which of the following is the best title for the text?ABody Weight and Health BLosing Weight by OperationCWays to Improve Mental Functions DLosing Weight to Sharpen Your MindD Have you wondered why you have two eyes and why they are set close together on the front of your face? The reasons are simple and important to the way you see the rest of your world Your eyes are like two small camerasA camera catches an image of an object and records it on filmSimilarly,when you look at something,each eye takes in what it sees and sends this image to the back of the eyeballBecause your eyes are set close together,they view the world from about the same height but from slightly different anglesWorking as a team,the eyes send the images to your brain,which puts them together into a single,centered image Seeing in stereo means seeing with two eyes working together,which is called stereoscopic sightThis allows you to view the world in three dimensions,or 3-DSeeing depth helps you to judge the distance between you and the objects you see and to adjust to the changing angle at which you see something as you move closer to or farther away from itIf images are coming from only one eye, however,only two of these dimensions-height and width-can be perceivedA world seen with one eye is thus two-dimensional,as in a photograph Now consider why your two eyes are on the front of your faceThink of other animals with this same arrangementThey are all animals that hunt,like lions and wolvesTheir eyes face directly in front of themThis provides a field of sight about 180 degrees wide,which is called binocular sightOn the other hand,animals that are hunted have eyes on the sides of the head,which Provides nearly 360-degree field of sightIn order to stay alive,they need to see things coming from the sides and from behindHowever,without stereoscopic sight,they have difficulty determining how far a danger is With sight both stereoscopic and binocular,humans share with animal hunters the ability to see from side to side and to accurately determine the distanceIf you think it would be great to have another type of sight,perhaps with hundreds of tiny eyes like many insects do,think again! Each tiny insect eye sees only a tiny partBesides,what if you needed glasses? Be glad for the eyesight that you have67According to the passage,an eye is like a camera because both Acan record images Bcan imagine objects Cprovide centered images Dwork at the same height68Stereoscopic sight is a result of having Aa three-hundred-sixty-degree field of sight Bhundreds of eyes,all seeing parts of an imageCtwo eyes close to one another that work togetherDone eye on either side of the head,each seeing a different image69The underlined word “perceived in Paragraph 3 means Aset Btaken Cseen Dunderstood70The author implies that “seeing in stereo” Ais similar to the way cameras workBis an ability humans are fortunate to haveCwould be better for a wider field of sightDhelps people to have lbetter sight than animalsThis is a story about a learning experience that had a big effect on the way I live my lifeThe 36 in the story did not give me tests or even grade me on my workI was taught by one of the most effective 37 of teaching,one that only people with lots of love can do “My wallet! Where is it?” were my first words 38 I found my wallet was missingI 39 my memory for a few good seconds, then realized that I had left my precious wallet in the librarys public 40 !Because the library was now 41, I had to wait until the next morning to look for itWhen I got there the next day, all I found was a clean restroomThis was tlle first time I could remember ever 42 to see a clean restroomAs I walked out,I looked at myself in the mirror and shook my head at the 43 fool in front of meI politely 44 the librarian at the front desk and asked her if a wallet had been found in the restroom yesterday“No”That was thatI walked off with a sense of 45I 46 what I would do if I had found a wallet with sixty dollars,a phone card and other irreplaceable 47 thingsFinally,I 48 accepted the fact that my wallet was gone A week later,I received a 49 in the mailIt wa
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