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高中三年级英语

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    An Experiment
    Materials: Newspaper, ‘ACE’ hardware ruler (1/8 “think”), a flat table.
    Purposes: We’ll show that there is air pressure pushing on us, from every direction while we’re on this Earth.


     
    Procedure:First put a thin ruler on a flat table with a little
    less than half of it hanging off the edge of the table
    (see the drawing below). Next place a sheet of newspaper
    over the ruler flat against the table. Make sure to have
    as little air as possible under the paper so that the fold line of the newspaper is at the ruler. Then quickly strike the end of the ruler hanging off the edge of the table. If you strike it quick enough, the ruler will break near the table edge.
    What’s going on?
    The Earth is covered in a layer of air that is nearly 80 miles thick and at sea level (the bottom) exerts or ‘pushes’ hard almost 15 pounds of pressure per square inch. That means that a full sheet of newspaper laid out flat has nearly 9,300 pounds of air above it.
    When you break the ruler above, you are able to break it because of the 'heavy' air pushing down on the paper while you quickly strike the ruler. At first the table is pushing back on the paper, and if you move the ruler quick enough, other air around the edges of the paper can't get under the paper fast enough, so you are trying to lift that 9,300 pounds with the ruler! Some air gets under the paper, but not enough, so the ruler breaks.
    1.By doing the experiment, we may realize         .
    A.that air exits everywhere
    B.why there are directions
    C.that we live with air pressure
    D.how air helps on the earth
    2.How many steps are there in this experiment?          .
    A.2      B.3       C.4       D.5
    3.The underlined word “exert” probably means       .
    A.cover completely            B.advocate actively    
    C.influence gradually  D.press heavily
    4.The ruler breaks under a quick strike mainly because of          .
    A.the air pressure on the newspaper   B.the heavy weight of the newspaper
    C.the heavy weight of the flat table    D.the strong power used on the ruler

    本题信息:英语阅读理解难度一般 来源:未知
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  • 日常生活类阅读

日常生活类阅读的概念:

日常生活这一话题主要涉及人们衣食住行等方面的活动。这一话题的选材主要针对人们日常的工作,生活以及学习情况。做这一类题时,最主要的是要把握好人物的活动内容,时间和地点。


日常生活类阅读题答题技巧:

【题型说明】
该类文章内容涉及到人们的言谈举止、生活习惯、饮食起居、服饰仪表、恋爱婚姻、消遣娱乐、节日起源、家庭生活等。文章篇幅短小,追根溯源,探索各项风俗的历史渊源,内容有趣。命题也以送分题为主,如事实细节题、语义转换题、词义猜测题和简单推理判断题等。虽然这类文章读起来感觉轻松,试题做起来比较顺手,但绝不能掉以轻心。因为稍不留神,就会丢分。   
【备考提醒】
为了保证较高准确率,建议同学们做好以下几点:   
1、保持正常的考试心态。笔者在教学中发现,越是容易的试题,同学们越是容易失分。为什么呢?因为在这种情况下,同学们极易产生麻痹思想,认为题目好做,就不引起高度重视,于是思维不发散、不周密。而命题人就是利用同学们的这一弱点,设计陷阱题。所以,无论试题难易与否,我们都要保持正常的考试心态。试题容易,不欣喜;试题难,不悲观。   
2、根据前面讲到的方法,认认真真、细细心心做好事实细节题。   
3、做好语义转换题。这类题是根据英语中一词多义和某些词语在文中能表达一定的修辞意义的原则而设计的。要求同学们解释某生词的含义,确定多义词或短语在文中的意思,确认文中的某个代词所指代的对象,或者对英语中特有的表达、格言、谚语进行解释。这种题要求同学们一定要根据上下文猜测词义或理解句子,切不可望文生义。   
4、做好简单推理判断题。简单推理判断题要以表面文字为前提,以具体事实为依据进行推理,做出判断。这种推理方式比较直接,只要弄清事实,即可结合常识推断出合理的结论。


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