摘要:1.文章开篇第一段可知.此题属事实理解的题.2.文中第二旦可知.3.从第三段对这种鱼的描述可知D项.4.从文章结尾一段可知D项.5.文章主要讲蝴蝶和针鱼.故选c项. 18 WASHINGTON-Considering the serious warnings lately about Internet viruses , users may be tempted to unplug their machines just to keep them safe. In reality, common sense and a few basic tips can keep Internet surfers secure. Antivirus software is a must, and it should be updated at least once a week to recog-nize newly released viruses. People with broadband Internet connections should also have a firewall. These pro-tect the computer from attacks by hackers . Then it is time to think about computer habits. Unlike old viruses, which spread on ly through shared diskettes, the Internet brings viruses straight to the emai-box. if email with attachment comes from an unknown sender, or unexpectedly from a known sender, it should not be opened. On receipt of an unexpected attachment from a friend, experts suggest a telephone call to make sure of the mail’s source before opening.

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这是一篇打乱了顺序的短文,请将它们整理成通顺的文章。第一段已确定了。

  To be a good teacher, you need some of the gifts of the good actor:You must be able to hold the attention and interest of your audience; you must be a clear speaker, with a good, strong, pleasing voice which is fully under your control, and you must be able to act what you are teaching, in order to make its meaning clear.

  1.The fact that good teachers have some of the gifts of good actors does not mean that they will indeed be able to act well on the stage:There are very important differences between the teachers’ work and the actors’.Actors have to speak words which they have learnt by heart:they have to repeat exactly the same words each time they play a certain part, even their movement and the ways in which they use their voices are usually fixed before.What they have to do is to make all these carefully learnt words and actions seem natural on the stage.

  2.I have known many teachers who were fine actors in class but were unable to take a part in a stage play because they could not keep strictly to what another had written.

  3.Good teachers work in quite a different way.Their audience take an active part in the play:They ask and answer questions; they obey orders, and if they do not understand something, they say so.Teachers therefore have to suit their act to the needs of their audience, which is their class.They cannot learn their part by heart, but must invent it as they go along.

  4.Watch good teachers, and you will see that they do not sit motionless(静止)before their class:They stand the whole time they are teaching; they walk about, using their arms, hands and fingers to help them in their explanations, and their faces to express feelings.Listen to them, and you will hear the loudness, the quality and the musical note of their voices always changing according to what they are talking about.

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