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1、Unit 3 Im more outgoing than my sisterSectionA Grammar-3c执 笔审 核课 型课 时1授课班级授课时间姓 名学案编号No .4【课 题】Unit 3 Im more outgoing than my sisterSectionA Grammar-3c教师复备栏或学生笔记栏【学习目标】比较级的进一步运用【学习重点难点】表示比较含义的句型的了解【学法指导】1. Reading ;2. Writing ;3. Pairwork【教学过程】【教学过程】一、 导入（启发探究 3分钟）List the things that are the same
2、and differet between you and your partner .The sameDifferentWere both girls .Im taller than she is .二、自学（自主探究 6分钟）语法知识：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 a friendly as your sister? No, Im
3、 not. Im friendlier.Does Tara work as hard as Tina? Yes, she does.Whos more 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 _ beaut
4、iful as that one.A. very B. too C. so D. more4. His French isnt so good as _.A. her B. she C. his D. hers5. Its much better than _ classes.A. have B. has C. to have D. having三、交流（合作探究 10分钟）Step 3a 1 .read the words in the box,and know their meanings2.make up the sentences and finish the task.3.check
5、 the answers.4.read the sentences aloud by the students.Step 3b1 .read the words in the box,and know their meanings2.answer the quetions and finish the task.3.check the answers.4.read the sentences aloud by the students.5.Step 3c1 .read the words in the box,and know their meanings2.make conversation
6、s in pairs.3.act out the conversations.4. underline some phrases:四、总结（引深探究 15分钟）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.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 intere
7、sting as that one.这部电影和那部电影一样有趣。 (2)Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅。 My grandpa is as energetic as a young man.Exercise is as useful a way as any other to lose unwanted weight.I try to find as much information as I can about what happened.其否定式为not as/so +adj./ adv. +as。例如： This d
8、ictionary 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as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 coul
9、dnt 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：times 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 t
10、hree 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
11、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 truth, my boyfriend is much older than me.五、练评（包含“考点链接” 应用探究 6分钟）根据句意填入单词的正确形式：1. My brother is two years _(old)than me.2. Tom is as _(fat) a
12、s Jim.3. Is your sister _(young) than you? Yes,she is.4. Who is _(thin),you or Helen? Helen is.5. Whose pencil-box is _(big),yours or hers? Hers is.6. Marys hair is as _(long) as Lucys.7.Ben _ (jump) _ (high) than some of the boys in his class.8._ Nancy sing _ (well) than Helen? Yes, she _. 9.Fangfa
13、ng is not as _ (tall) as the other girls.10.My eyes are _(big) than _ (she). 11.Which is _(heavy),the elephant or the pig?12.Who gets up _(early),Tim or Tom? 13._the girls get up_(early) than the boys?No,they_.14. Jim runs _(slow). But Ben runs _(slow).15.The child doesnt_(write) as _(fast) as the students.【教学反思】1
