Unit 7 The Sea （6）Lesson 3 The Sea WorldGrammar 形容词和副词的比较级别A Tip：A bad beginning makes a bad ending.不善始者不善终。 Learning aims： 重点掌握形容词和副词的比较级构成及用法Learning important points：1. the﹢比较级，the﹢比较级2.比较级﹢and﹢比较级3.倍数的表示方法Learning steps：Step 1 语法解析：形容词和副词的比较级（B 级）1. 英语中的形容词和副词一般有三种级别形式，即原级， 和最高级。请写出形容词和副词级别构成的一般规则： 2.在比较级中有两个特殊作用的结构：A．The +比较级+句子，the +比较级+句子. 意思为 例：（1）The harder she worked, the more progress she made.翻译： (2) 他越忙，就越感到高兴。翻译： B．比较级+and+比较级 意思为 例：（1）More and more people are more and more interested in English. 翻译： （2）中国正变得越来越强大。 翻译： 3. 倍数的表示方法“…是…的多少倍”，主要有三种结构：A 倍数+as +原级+as…B 倍数+比较级+than…C 倍数+the +名词+of…注意：常见此类的名词有 size,width,depth,height,weight 等。1. The kind of plane flies twice as fast as that kind.翻译： 2. Our classroom is three times larger than yours.翻译： 3.Your playground is five times the size of ours.翻译： 【练一练】你能用三种句型翻译下边句子吗？这支铅笔比那只长三倍。 3.形容词或副词的比较级常用 much,far,still,even,a lot,a bit,a great deal,slightly等修饰，表示程度，放在比较级之前。This car is much more expensive than I expected.用心 爱心 专心1翻译： This problem is a lot more difficult than that one.翻译： Unit 7 The Sea （6）Lesson 3 The Sea WorldGrammar 形容词和副词的比较级别：检测卡日期： 班级： 学科：姓名： 层次： 评价：I.用 not as…as/ less…than 连接句子。1.Mary/tall/Brian 2.video games/exciting/computer games 3.chess/interesting/reading 4. today/cold/yesterday II 单项选择（C 级）1. After the new technique was introduced, the factory produced cars in 2002 as the year before.A. as possible as B. as well as C. as soon as D. as good as 2. 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 than3. --- Anne is quite unfriendly. --- I think she’s unfriendly.A.more shy than B.shyer than C.more shyer than D.shy more than4.Americans eat vegetables per person today as the did in 1910.A. more twice than B. as twice as manyC.twice many D.more than twice as many5. ---How about the size of the box? ---Oh, it’s only this one.A. half the size of B. half the size thanC. as half big as D.as big as halfIII 做课本 13 页第 7、9 题。错因与纠正： 用心 爱心 专心2 用心 爱心 专心3
