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  3. E-mail Imagine being able to send a letter to someone, anywhere in the world, that included pictures and sounds as well as w

E-mail Imagine being able to send a letter to someone, anywhere in the world, that included pictures and sounds as well as w

admin2010-07-24  54
问题                                  E-mail
    Imagine being able to send a letter to someone, anywhere in the world, that included pictures and sounds as well as written words, and not even have to put a stamp on it. With e-mail you can do just that. E-mail allows you to send messages quickly and easily to other people using computers rather than the postal service. To the Internet user, the ordinary post is known as "snail mail" because it is so much slower than e-mail, which can deliver its message to the other side of the world in seconds.
    In some ways, e-mail is like a cross between a letter and a telephone call. You type a note or a letter on your screen and then you send it down the telephone line to another person for as little as it costs you to call your service provider. Whether your message is going to Calgary in Canada or to Copenhagen in Denmark, it will cost the same. You can even attach a file from your computer, whether it be a sound, an image or a text, to your e-mail message.
    E-mail addresses are made up of two distinct parts, separated by the "@" sign. The first part of the address identifies the specific user. Many people use their names, or their initials or a nickname. After the @ sign comes the host address or node name, which is the actual place where the user’s electronic mailbox is situated. Here is an example. My e-mail address is "november@dircon.co.uk." I picked "November" because that was the month in which I was born, and "dircon" is the Direct Connection, my service provider, a commercial company based in the UK. Easy, isn’t it?
    When a new user joins the Internet for the first time, he or she will get an e-mail address that allows the user both to send and receive messages. Just as you need to put the correct address on an envelope to make sure it gets to the right place, so you must also put the correct e- mail address on your electronic correspondence. Computers are not so understanding as postmen and women, who can sometimes work out where a wrongly addressed letter is meant to go. If you make a slight mistake with your address, your message will simply be bounced right back to you.
    How do you find out what someone’s e-mail address is? Naturally, the easiest and best way is simply to ask them. Because there is no one in charge of the whole Internet and because it is expanding so rapidly, there is no complete record anywhere of everyone who is connected.
    When someone sends you a message via e-mail, it will be stored on the computer at your service provider, or if your school has its own connection to the Internet, on the main server. Once you have logged on to the Net you can launch your e-mail program. Eudora is one of the most popular and easy-to-use programs and is available for both Macintosh and IBM compatibles. There is a version that you can download from the Internet. Many programs will automatically search for new messages when they are first launched.
    E-mail has obvious advantages for schools and businesses that want to keep track of their messages. For example, it allows you to quote all or part of the message you are replying to, without having to type it all out again. The handy thing about this feature is that if you are answering questions, you can keep them in your reply. This saves the other person having to refer back to the original documents when he or she gets your reply.
    Another thing e-mail allows you to do is to forward a message on to someone else. If someone sends you a piece of information that you feel would be of interest to another person, you can send a copy of the message to him.
    Again this is invaluable for large organizations that might have offices all over the world. For example, someone in the London office might send a query or a new idea to someone else in New York in the United States. He, realizing that this is something that another person in Sydney in Australia has been working on, passes the message on almost instantly.
    If you want to send a graphics file (one containing a picture), a sound file, a document or a video clip with your e-mail, you can do that too. Most e-mail readers have a menu item that allows you to attach a file using an instruction, or command, called "attach file" or something similar. To do this the e-mail program uses Multipurpose Internet Mail Extensions (MIME) to attach the file and process it into the chunks of the right size for sending via e-mail.
    If the Internet has any lasting effect on our lives it may well be through the use of e-mail. As we have seen, there are many advantages that e-mail enjoys over snail mail in terms of speed and usefulness. It also has a big advantage over a message taken over the telephone — you cannot print out a telephone call. Probably more people join the Internet to get access to e-mail than for any other reason.
    E-mail is easy to use and it saves time and money. The differences in time in different parts of the world do not matter when sending e-mail. It is a twenty-four-hour service that allows you to send information at any time of the day or night. If you want to know what it is like to live in the Arctic, send a message to a school in Alaska and find out. If a company wants to know how much it costs to print a book in the Far East, it can e-mail some printers in Singapore or Hong Kong. The message will be there the next time someone at the other end switches on his or her computer and logs on. No one has to be there to answer the telephone. It does not matter if they are in bed when you send the message, or you are watching a film at the cinema when they send a reply.
    If you want to make friends on the Internet, it is just as well to have good manners. One of the most important rules to follow is, DON’T TYPE ALL OF YOUR MESSAGES IN CAPITAL LETTERS. It is the Internet equivalent of shouting the telephone. Be careful how you say things. Because it is so fast and easy to send e-mail messages, people often do not bother to check what they have written before pressing the "send" button. Write your e-mail with the same care and attention you would use for other forms of communication. Reply to your messages promptly. If someone has taken the trouble to write to you, take the trouble to write back. It is only polite.
People usually use their names, birthdays, a nickname or something else to identify themselves in the ______ part of their e-mail addresses.
选项
答案first
解析 根据原文可知，电子邮件地址的第一部分是用来识别用户身份的，很多人使用自己的名字、生日、昵称等。
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