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    2 比较and和or 1) 并列结构中.or通常用于否定句.and用于肯定句. 2) 但有时and 也可用于否定句.请注意其不同特点: There is no air or water in the moon. There is no air and no water on the moon. 在否定中并列结构用or 连接.但含有两个否定词的句子实际被看作是肯定结构.因此要用and. 典型例题 ---I don't like chicken fish. ---I don't like chicken, I like fish very much. A. and, and B. and, but C. or, but D. or,and 答案C.否定句中表并列用or, but 表转折. 判断改错: (错) We will die without air and water. (错) We can't live without air or water. (对) We will die without air or water. (对) We can't live without air and water. 20.3 表示选择的并列结构 1) or 意思为"否则". I must work hard, or I'll fail in the exam. 2) either-or 意思为"或者--或者--".注意谓语动词采用就近原则. Either you or I am right. 【查看更多】

     

    题目列表(包括答案和解析)

    Apple has entered the textbook market. The tech giant introduced iBooks textbooks a couple of weeks ago when it announced its iBooks 2 platform.  They are digital books in a variety of subjects from astronomy to zoology taking in science, maths, history and geography. Apple developed its iPad-based textbooks in connection with major textbook publishers. The company offers a collection of textbooks for high school students.

    It sounds like good news for pupils and students. Think of it. No more carrying heavy backpacks full of textbooks. Every textbook you require can be stored on your iPad. Of course there’s a catch. You need to own an iPad and as you know, it is not cheap. You also need to buy digital textbooks, mostly priced each at $14.99 (94.74 yuan) or less. Textbook publishing was worth $8.7 billion in the US alone last year. Will digital books take over completely in education? Is learning going to evolve into something we do on an electronic tablet computer? That remains to be seen.

    1.以约30个词概括上文的主要内容。

    2.以约120个词就“电子教科书能否代替传统教科书”的话题谈谈你的想法，内容包括：

    （1）比较电子教科书和传统教科书各自的优势；

    （2）你认为将来电子教科书能否代替传统教科书呢？为什么？

    1.作文中可以使用亲身经历或虚构的故事，也可以参照阅读材料的内容，但不得直接引用原文中的句子。

    2.作文中不能出现真实姓名和学校名称。

    概括准确，语言规范，内容合适，语篇连贯。

     

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    Apple has entered the textbook market. The tech giant introduced iBooks textbooks a couple of weeks ago when it announced its iBooks 2 platform.  They are digital books in a variety of subjects from astronomy to zoology taking in science, maths, history and geography. Apple developed its iPad-based textbooks in connection with major textbook publishers. The company offers a collection of textbooks for high school students.
    It sounds like good news for pupils and students. Think of it. No more carrying heavy backpacks full of textbooks. Every textbook you require can be stored on your iPad. Of course there’s a catch. You need to own an iPad and as you know, it is not cheap. You also need to buy digital textbooks, mostly priced each at $14.99 (94.74 yuan) or less. Textbook publishing was worth $8.7 billion in the US alone last year. Will digital books take over completely in education? Is learning going to evolve into something we do on an electronic tablet computer? That remains to be seen.
    1.以约30个词概括上文的主要内容。
    2.以约120个词就“电子教科书能否代替传统教科书”的话题谈谈你的想法，内容包括：
    （1）比较电子教科书和传统教科书各自的优势；
    （2）你认为将来电子教科书能否代替传统教科书呢？为什么？
    1.作文中可以使用亲身经历或虚构的故事，也可以参照阅读材料的内容，但不得直接引用原文中的句子。
    2.作文中不能出现真实姓名和学校名称。
    概括准确，语言规范，内容合适，语篇连贯。

    查看答案和解析>>

    任务型写作

    [任务说明]

    请根据以下的任务说明和写作要求，写一篇文章，比较一下古今中国音乐的发展，并给出你的好恶选择。文章应包含下面的提示。?

    1．音乐的种类；

    2．演奏音乐的器材；

    3．歌曲的创作，内容，场合；

    4．你自己的好恶选择。

    5．标题为：Traditional Chinese Music VS Modern Chinese Music

    6．词数：150左右。

    [写作要求]

    你可以参照阅读材料的内容，但不要抄袭阅读材料中的句子。

    [阅读材料]

    Traditional Chinese Music

    　　The variations of rhythm, beat, tone quality, and embellishments in traditional Chinese music are highly distinctive and unlike their Western counterparts．This is mainly due to the unique sounds and playing styles of traditional Chinese musical instruments．Chinese musical instruments can be divided into four basic categories based on the method by which they are played．The first category includes the bowedstrings, or Hu Qin．The second category includes the pluckedstrings, of which there are three types：dulcimers, lutes, and harps．The third category encompasses the woodwind section．There are flutes, pipes, and Chinese trumpets．The final category encompasses the percussion section．The main instruments include? drums, timpani, gongs, and cymbals．For some songs, bells, xylophones, tuned gongs, and the triangle are used．The percussion section is called the wuch'an, or martial scene, in traditional Chinese opera．?

    Modern Chinese Music

    　　In modern Chinese music, many traditional facets still remain．Many modern instrumental music pieces incorporate traditional instruments while adapting a more modern style．However, instrumental music is still very traditional．Many works of traditional music are still played by small quartets and large orchestras．Chinese melodies are quite unique and incorporate into many modern compositions．Chinese instrumental music has changed because it is no longer restricted to the traditional format．Even non traditional instruments such as the piano are used in creating modern works．

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