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家禽红细胞有细胞核，无血小板，主要是凝血细胞参与凝血过程。
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能提高石油沥青的耐热性和粘滞性的组分是( )。 A.
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Advertising has grown to be an industry worth many billions of dollars across the worlD.Almost all public space has some advertisements in sight and all forms of media, from newspapers to the Internet, are also filled with adverts. Whilst this helps companies sell their produces, and helps consumers to learn what is on offer, many believe that this huge amount of advertising can be harmful. What do you think? Write an essay of about 400 words.
In the first part of your essay you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary.
You should supply an appropriate title for your essay.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
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未知题型
听力原文：E-mail, e-commerce, e-authors, e-books… eeeargh! The whole world is on a technological treadmill.
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