E-mail is one of the biggest threats(威脅)to your home computer．By understanding how E-mail works, and by taking some steps in how you deal with reading and writing messages, you can keep this threat out of your computer．When you exchange E-mail with someone else, the messages sent between you and that person pass through several computers before they reach their places．Imagine this conversation as it is taking place in an Internet“room”, a very, very big room．Anyone, or more exactly, any program can probably understand what is being said, because most Internet conversations are not hidden(隱藏)in any way．As a result, others may be listening in, capturing what you send, and using it for their own good．

　　E-mail-borne viruses(病毒)often arrive in attractive, fantastic appearances, much like the beautiful ads we receive by way of traditional mail that is made to sell us something．By beautiful appearances, an infected(感染)E-mail message seems to be something we want to read from someone we know, not a mean virus ready to destroy or damage our computers．

　　There are some steps that you can take to help you decide what to do with every E-mail message with an attachment(附件)that you receive．You should only read a message that passes all of these tests：

　　1)The Know Test：Is the E-mail from someone that you know?

　　2)The Received Test：Have you received E-mail from this sender before?

　　3)The Expect Test：Were you waiting for E-mail with an attachment from this sender?

　　4)The Meaning Test：Do the topic line of the E-mail massage and the name of the attachment both have meanings?

　　5)The Virus Test：Is the E-mail infected?

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　　The other day Roy Price went“home”to his sister’s house．It’s her home now; and it’s also the house he was born in, Pat, his sister, kissed him and said, “You haven’t changed much, Roy．Let me see, now–when did we meet last?”

　　“Thirty years ago,”he answered．“I came here for a week, do you remember?And I was right thirty then．”He added, “You’ve changed very little．”But it wasn’t true．Pat looked like an old lady．

　　The next morning Roy walked through the small town alone．The place looked very different．There were lots of traffic signs beside the roads．There was a new car park, a new post office, a new…．He remembered suddenly that the bus used to stop anywhere：you just put up your hand and it stopped．One surprise followed another．But Roy’s biggest surprise was the people．He didn’t recognize(認(rèn)識(shí)) anybody at all．He thought perhaps everyone here seemed old．He went into the post office and bought some stamps．“Where are all the children and young people?”he asked the postmaster．The old fellow looked up and answered, “Children?They’re in school, of course．”

　　At lunch Pat said, “The town looks nice, doesn’t it?”

　　“It’s all different, Pat．It used to be an exciting place, but now it’s full of old people．I don’t understand…”

　　“There are a few newcomers, but the ones we knew are still here．You’re not young yourself, Roy, are you?”

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閱讀理解：

Dear Xiaogang,

　　Perhaps your problem comes from shyness(害羞)．You might be afraid of new people, because you feel you are so serious．You must push your shy side away and show your classmates how interesting you can be．

　　It is OK to do this slowly．It takes time to get to know a person and it takes time to find someone with whom you really get on．

　　The first thing you must do is smile at your classmates．One smile speaks louder about your wish to make friends than any words．Do this as often as you can, until your classmates become used to your smiles and smile in return．

　　The next thing to do is try to talk to your classmates．The best time to do this is between classes or during your lunch time．Make sure that they are not busy．You may find it easier to start by talking to people when they are alone, instead of in a group．

　　There must be someone else in your class who is so quiet．It might be easier to try and talk to someone who is as shy as you．

　　Your problem is mainly about confidence．Smile first, talk next and slowly you will make friends．Once you have more confidence, you can make as many friends as you want．

Uncle Jeff

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閱讀理解。

　　Hundreds of years ago, life was much harder than it is today．People didn’t have modern machines．There was no modern medicine, either．

　　Life today has brought new problems．One of the biggest is pollution(污染)．Water pollution has made our rivers and lakes dirty．It kills our fish and polluted our drinking water．Noise pollution makes us talk louder and become angry more easily．Air pollution is the most serious kind of pollution．It’s bad to all living things in the world．

　　Cars, planes and factories all pollute our air every day．Sometimes the polluted air is so thick that it is like a quilt over a city．This kind of quilt is called smog(煙霧)．

　　Many countries are making rules to fight pollution．Factories must now clean their water before it is thrown away, they mustn’t blow dirty smoke into the air．

　　We need to do many other things．We can put waste things in the dustbin and not throw it on the ground．We can go to work by bus or with our friends in the same car．If there are fewer people driving, there will be less pollution．

　　Rules are not enough．Every person must help to fight pollution．

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　　Friend of mine named Paul received an expensive car from his brother as a Christmas present．On Christmas Eve when Paul came out of his office, a street urchin was walking around the shining car．“Is this your car, Paul?”he asked．

　　Paul answered, “Yes, my brother gave it to me for Christmas．”The boy was surprised．“You mean your brother gave it to you and it didn’t cost you nothing?Boy, I wish…”He hesitated．

　　Of course Paul knew what he was going to wish for．He was going to wish he had a brother like that．But what the boy said surprised Paul greatly．

　　“I wish, ”the boy went on, “that I could be a brother like that．”Paul looked at the boy in surprise, then he said again, “Would you like to take a ride in my car?”

　　“Oh yes, I’d love that．”

　　After a short ride, the boy turned and with his eyes shining, said, “Paul, would you mind driving in front of my house?”

　　Paul smiled a little．He thought he knew what the boy wanted．He wanted to show his neighbors that he could ride home in a big car．But Paul was wrong again．“Will you stop where those two steps are?” the boy asked．

　　He ran up to the steps．Then in a short while Paul heard him coming back, but he was not coming fast．He was carrying his little crippled brother．He sat him down on the step and pointed to the car．

　　“There he is, Buddy, just like I told you upstairs．His brother gave it to him for Christmas and it didn’t cost him a cent．And some day I’m going to give you one just like it…then you can see for yourself all the nice things in the Christmas windows that I’ve been trying to tell you about．”

　　Paul got out and lifted the boy to the front seat of his car．The shining-eyed older brother climbed in beside him and the three of them began an unforgettable holiday ride．

注：urchin頑童　hesitate猶豫　crippled殘疾　cent美分

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閱讀理解：

　　Many places in the world need more fresh(淡的)water．Every country is trying to find ways to turn salt water into fresh．

　　Why aren't there many factories like the Symi factory?

　　In some places, the sun is not hot enough．Or it does not shine every day．

　　In such places, other ways of heating(加熱)sea water can be used．These ways cost more money, but they work faster than the sun．By boiling(煮沸)sea water with high heat, a lot of fresh water can be made quickly．

　　But heating is not the only way to get fresh water from salt water．Other ways are tried．

　　One way is freezing(冷凍)．The fresh part of salt water freezes first．To get fresh water, the bits of ice are taken out．

　　Which way is the best?The one that gives the most water for the least money．It may be a different way for each place．

　　Symi’s way seems very good for small, hot places．It does not make very much water at a time．But the factory is easy to build and costs little．

　　That is why people in many dry places talk about Symi!

根據(jù)短文內(nèi)容，選擇最佳答案。

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閱讀理解：

　　Our village carpenter(木匠)，John Hill, came one day and made a dining table for my wife．He made it just the right size to fill the space between the two windows．When I got home that evening, John was drinking a cup of tea and writing out his bill for the job．

　　My wife said to me, quietly, “That’s his ninth cup of tea today．” But she said, in a loud voice, “It’s a beautiful table, dear, isn’t it?”

　　“I’ll decide about that when I see the bill．” I said．

　　John laughed and gave me his bill for the work．I read:

　　One dining table　　　　　　　　　10 November

　　Cost of wood　　　　　　　　　　￡17.00

　　Paint　　　　　　　　　　　　　　1.5

　　Work, 8 hours　　　　　　　　　　8.00

　　Total　　　　　　　　　　　　　　36.50

　　When I was looking at the bill, John said, “It’s been a fine day, hasn’t it?Quite sunny．”

　　“Yes, I said．” “I’m glad it’s only the 10^th of November．” “Me too,” said John．“You wait-it’ll be a lot colder by the end of the month．”

　　“Yes．Colder－and more expensive!Dining tables will be ￡20 more expensive on November 30^th, won’t they, John?”

　　John looked hard at me for half a minute．Was there a little smile in his two blue eyes?I gave his back to him．

　　“If it isn’t too much trouble, John,” I said, “please add it up again．You can forget the date．”

　　I paid him ￡26.50 and he was happy to get it．

根據(jù)短文內(nèi)容，從下列各題所給的三個(gè)選項(xiàng)中選擇正確的答案：

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　　Jess really felt very happy．When he arrived at his seat in the classroom that morning, he found an invitation on his desk．It was from several of his classmates asking him to join them on camping trip．This was the first time he was asked to join in an out-of –school activity．Why were they asking him now?Nobody seemed to like him．In fact, he had seen so lonely that he drowned his feeling with food．As a result, he had put on a lot of weight, and this gave the kids something more to make fun of him．

　　Cindy, who was standing near Jess, when he read the invitation, went out quickly to tell others that the trick had worked．Everyone was pleased that Jess thought that was true．But there was no camping trip．The whole thing was made up．

　　At first, Cindy thought it was fun．But later, when Jess told her that he was going to buy a sleeping bag with his savings, Cindy had second thoughts．She knew that Jess’s family had little money, and she hated to see him spend his savings on something he would never use．Cindy also hated to tell Jess the truth．Her close friends would be angry with her．

　　What could she do now?

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　　Now satellites are helping to forecast(預(yù)報(bào))the weather．They are in space, and they can reach any part of the world．The satellites take photos of the atmosphere(大氣層)，because the weather forms(形成)there．They send these photos to the weather stations．So scientists can see the weather of any part of the world．From the photos, the scientists can often say how the weather will change．

　　Today nearly five hundred weather stations in 60 countries receive satellites photos．When they receive new photos, the scientists compare them with earlier ones．Perhaps they may find that the cloud have changed during the last few hours．This may mean that the weather on the ground may soon change too．In their next weather forecast, the scientists can say this．

　　The weather satellites are used for other work．So satellites are a great help to the scientists．Before satellites were invented, the scientists could forecast for about 24 or 48 hours．Now they can make good forecast for 3 or 4 days．Soon, perhaps, they will be able to forecast the weather for a week．

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　　A bag is useful and the word “bag” is useful, too．It gives us some interesting phrases．One is “to let the cat out of the bag”．It is the same as “to tell a secret”．There is an old interesting story about it．Long long ago when people sold things in big cloth bags, a woman asked a man for a pig．The man helped up his cloth bag．There seemed to be a little pig in it．The woman asked to see it．When the man opened the cloth bag, a big black cat ran out．Not a pig!The man’s secret was out and everyone knew it．

　　Now when someone lets out a secret, he “l(fā)et the cat out of the bag”．And that is the story of where the interesting phrase came from．

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