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111Module5 A Lesson in a Lab- Grammar1学案Degrees of Comparison 1【使用说明】 请先完成学案的知识链接部分然后对照课本43页的内容完成自主学习，进一步巩固有关形容词和副词比较级的用法及相关知识，然后完成学案上的知识反馈部分。【学习目标】 1. 熟练地掌握比较级的几种形式并学习倍数的三种表达方式。 2. 先自主学习，必要时再进行小组讨论。 3. 通过对比较级的几种形式的进一步学习，能更熟练的运用形容词和副词比较级。【学习重点】 掌握比较级的几种形式的运用及倍数的三种表达方式。【学习难点】 掌握比较级的结构并学会应用比较级。【知识链接】完成下列句子：1. This bridge is twice _that one.这座桥是那座桥的两倍长。2.This car is _a new one. 这辆车和新的一样。3. Jack is_ _his brother.杰克和他弟弟一样高。【自主学习】形容词和副词的比较级的用法： 英语中的形容词和副词在表示“比较”概念时要用特别的形式，称为比较级（the Comparative Degree）。1.原级比较：表示两者程度相同，用句型“as+形容词/副词+as”。否定结构为：not as/so +形容词/副词+asE.g: Tom speaks as quickly as his cousin.汤姆说得和他表兄妹一样快。2. 比较级(1) 表示“一方超过另一方”时，用“形容词/副词的比较级+than”的结构表示。（单音节的比较级由形容词/副词原形+er构成；多音节词的比较级由more+形容词/副词原形构成。） E.g: Our classroom is brighter than yours.(2) 表示“一方不及另一方”时，用“less+形容词/副词比较级+than”的结构。 E.g: This room is less beautiful than that one.3.表示倍数的几个句型： (1)倍数 + as + 形容词原级 + as (2)倍数 + 形容词的比较级 + than (3).倍数 + the + n.(size, length, width, height, depth)+of4. 在比较句中为了避免重复，通常用that(those),one(ones)代替前面出现的名词。 Eg : A box made of iron is stronger than one made of wood.5.比较级的省略现象： What do you think of the film? Wonderful. I have never seen a better one. （one 后面省略了than that one.）6.在形容词比较级前可以用：even, still, much, rather, any, far, by far, a little, a bit, a lot 等词来修饰。E.g: Are you feeling any better?【知识反馈】【基础训练】（C 级） I. 请你先完成课本上第43页Grammar1的练习1,2.II. 根据中文意思填空：1. Asia is _ times _ _ large _ _ Europe. 亚洲是欧洲的四倍2. Asia is _ times_ than Europe. 亚洲比欧洲大三倍。3.Asia is _ times_ _ _ _ _ _ Europe. 亚洲是欧洲的四倍4._ _ _ _ _ _ Asia is _ _times _ _ of Europe. 亚洲是欧洲的四倍。【能力提升】选择题（B 级）1. The harder you work, _. A. the greater progress youll make B. the greater youll make progress C. youll make the greater progressD. youll make greater progress2. Of the two books, this one is_ one . A. a thinner B. the thinner C. the thinnest D. a thinnest3. Our neighbor has _ours. A. as a big house as B. as big a house as C. the same big house as D. a house the same big as4. As a rough estimate, this country is _that one. A. three times the size as B. the size three times of C. three times as the size of D. three times the size of5. What a table! Ive never seen such a thing before. It is _it is long. A. half not as wide as B. wide not as half as C. not half as wide as D. as wide as not half6. He speaks English well indeed, but of course not _a native speaker. A. as fluent as B. more fluent than C. so fluently as D. much fluently than【高考连接】（A 级）The information on the Internet gets around much more rapidly than _in the newspaper. (2007,辽宁) A. it B. those C. one D. that【自我评价】对于本节课你的表现，你自己觉得满意吗？请进行自我评价。【课堂小结】通过本节课的学习，你掌握了哪些知识？ 以后做题过程中需要注意哪些问题？111
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