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1、课题： Unit 3 Im more outgoing than my sister Section A Grammar-3c 课型： New 学习目标：比较级的进一步运用学习重点：表示比较含义的句型的了解来源:Z_xx_k.Com学习难点：表示比较含义的句型的了解【预习案】自主预习，翻译下列句子。1. 你和你的姐姐一样友好吗？不，不是。我更友好。_2. Tom比Sam更聪明吗？ 不，他不是。Sam比Tom更聪明。_3. Who is smarter, your mother or your father?_【合作探究案】Step 3a 1 .read the words in the box
2、, and know their meanings2. make up the sentences and finish the task.3. check the answers.4. read the sentences aloud by the students.来源:学科网ZXXKStep 3b1 .read the words in the box,and know their meanings2.answer the quetions and finish the task.来源:Zxxk.Com3.check the answers.4.read the sentences al
3、oud by the students.Step 3c1 .read the words in the box, and know their meanings2. make conversations in pairs.3. act out the conversations.4. underline some phrases:总结来源:学+科+网形容词与副词的比较级（一） 原级比较1. 由“as + 形容词 + as”或“as + 形容词 + 名词 + as”构成。2. 由“not so (as) + 形容词 + as”或“not so (as) + 形容词 + 名词 + as”构成。as
4、.as意为和一样，表示同级的比较。使用时要注意第一个as为副词，第二个as为连词。其基本结构为：as+ adj./ adv. +as。例如： (1)This film is as interesting as that one.这部电影和那部电影一样有趣。 (2) This dictionary is not as/so useful as you think.这本字典不如你想象的那样有用。Luckily the weather was not so wet as it is today.若有修饰成分，如twice, three times, half, a quarter等，则须置于第一个a
5、s之前。例如：Your bag is twice as expensive as mine.你的袋子比我的贵一倍。（二）. “否定 + 比较级” 相当于最高级。 Wait until we get a satisfactory reply, will you? I couldnt agree more. The idea sounds great to me.5. “a + 比较级 + 名词（than）” 结构常出现在以never构成的完成时态的动词后面。How beautifully she sings！I have never heard a better voice.6. 倍数表示法：t
6、imes as + 形容词原级 + as；times + 形容词比较级 + than；times the + 性质名词 + of。The dining hall is three times as large as that one.The dining hall is three times larger than that one.The dining hall is three times the size of that one. （三）比较级应注意的问题1. 为了避免重复, 常用the one代替单数可数名词, the ones, those 代替复数名词, that 代替单数或不可
7、数名词。2. 当比较对象属于同一范围时，需使用other来排除自身，否则会造成与自身相比较的矛盾。Canada is larger than any other country in North America.4. “no + 形容词的比较级 + than”结构表达对两者均否定。Dont be proud so early. You are no better than me5. 比较级前面可以用even, still, yet , any, much, rather, a little, a lot, by far等修饰语用以加强语气或表示比较程度。To tell you the trut
8、h, my sister is much older than me.【当堂达标案】Is Tom smarter than Sam? No,he isnt. Sam is smarter than Tom.Is Tara more outgoing than Tina? No, she isnt. Tina is more outgoing than Tara.Are you as friendly as your sister? No, Im not. Im friendlier.Does Tara work as hard as Tina? Yes, she does.Whos more
9、hardworking at school? Tina thinks she works harder than me.1. I can do the work better with _ money.A. more B. less C. fewer D. much2. Im _ quieter than Susan.A. little B. few C. a little D. a few3. The watch is not _ beautiful as that one.A. very B. too C. so D. more4. His French isnt so good as _. A. her B. she C. his D. hers来源:学#科#网Z#X#X#K5. Its much better than _ classes. A. have B. has C. to have D. having【课后反思】
