分析 这是一篇科普类的阅读理解,包含介绍科学知识、社会知识等.本文主要介绍光线的原理,以及人们为什么能够看见物体?是因为物体能够反射光线.
解答 25 D 细节理解题; 从文章的第一段的句子:You can not see any object unless light from that object gets into your eyes你不能看到任何对象,除非从对象的光进入你的眼睛:文章第二段第一行When you look at a book,it sends to your eyes some of the light which falls on it,and you see the book.可知书本反射光线是人看清书的主要原因.故推测:光线反射到我们的眼睛才能看见东西.同时本题也可以视为同义句的相互转换.
26 C 词义理解题;根据前文The sun,the stars,a lighted lamp are examples that can be seen by their own light太阳、星星、一盏灯都是他们自己的光可以看到的例子.Such things 指的是太阳、星星、一盏灯可以发光的东西,故推测答案为C.give off light 散发光,热,线等.
27 D 推理题:从最后一段的Light travels so fast that the time in which it travels from the book you are reading to your eyes is so short as if there were no time at all光传播得如此之快,以至于它从你读到的那本书中读到的时间是如此短暂,仿佛根本就没有时间.说明光的速度很快,你一睁开眼,光线就到你眼中了.故推测正确答案选D.
点评 科普类的阅读理解包含介绍科学知识、社会知识的短文.阅读这类短文时,要以事实为中心进行思考,抓住事物的特征、用途、相互关系等.
1.加强整体意识,把握文章的主要内容.在阅读的时候可给段落标上序号,并给重要的句子和关键词做上记号,尤其是各段中心句,为答题提供更快捷更多的信息源.
2.审清题干,发觉和把握试题中有效的提示性信息,确认命题的角度、阅读范围和答题方式.
3.定位阅读,强化对应意识.同时要注意原文利用和自我加工相结合.
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