八年级英语上册 Unit 2 How often do you exercise Section B 第5课时导学案 （新版）人教新目标版-（新版）人教新目标版初中八年级上册英语学案

1、section b第5课时 （3aself check）类别学习重点重点单词dentist, magazine, however, than, almost, less, point重点短语go to the dentist, notat all, more than, less than重点句式1. she never goes to the dentist for teeth cleaning.2. she always watches tv for more than two hours a day.3. however, she has some bad habits, too.课前预

2、习写一写1.牙科医生dentist 2.杂志；期刊magazine3.然而；不过however 4.（用以引出比较的第二部分）比than5.几乎；差不多almost 6.没有一个；毫无none7.较少；较小less 8.得分；点point译一译1.多于more than 2.少于less than3.看牙医go to the dentist 4.一点也不notat all背一背1.然而，她也有一些坏习惯。however, she has some bad habits, too.2.她看电视总是超过两小时。she always watches tv for more than two hour

3、s.新课导入t：how often do you watch tv?s：every day.t：how often do you exercise?s：once a week.t：how often do you read books?s：three times a week.新课展示 【完成教材3aself check的教学任务】1.根据3a中的数字用表示频率的单词或词组完成报告，校对答案并朗读3a。2.根据自己的信息完成3b的表格，注意用always, every day, twice a week, never, usually等词来填写最后一栏。3.写一篇关于你的好习惯和坏习惯的报告，

4、然后学生相互交流纠正错误。教师抽查点评，完成3c。4.完成第4部分选择题。5.完成self check的任务并点评。语法提要】1.howeverhowever用于谈及一个既成事实时，表示转折，意为“可是、然而”。可放在句首、句中或句末，常用逗号与句子其他成分隔开。如：my room is small,however,it 's comfortable.我的房间很小，但却很舒服。2.more thanmore than意为“超过，多于”，相当于over，与数词连用。如：there are more than 70 students in this class.这个班上有70多名学生。3.

5、almostalmost意为“几乎，差不多”。用来修饰不定代词、形容词、副词、动词、介词短语等,可用于 any 以及 no, none, nobody, nothing, never 等表示否定的词之前；有时 almost 可表示十分相似(但又不完全相同)。如：he is almost two meters tall.他差不多有两米高。【问题探究】1. the best way to relax(relax) is by watching(watch) tv.2. five percent of the students sleep (sleep) less (little) than 8 h

6、ours.3.比尔几乎每天吃新鲜的蔬菜和水果。（汉译英）bill eats fresh vegetables and fruit almost every day.活学活练（c）1.i dont like the boring television _ .a.at least b.at most c.at all d.at last(b)2. i like music ,i cant spend much time _it.a. but, on b. however, on c. but, in d. however, in（c）3.his mother is _ fifty years old. _, she looks very young.a. more than ;but b. less than; butc. more than; however d. less than; however布置作业：教师