人教版八年级上册英语U2-第四课时B-2a-2b名师优质课获奖市赛课一等奖课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,本幻灯片资料仅供参考，不能作为科学依据，如有不当之处，请参考专业资料。,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,本幻灯片资料仅供参考，不能作为科学依据，如有不当之处，请参考专业资料。,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,本幻灯片资料仅供参考，不能作为科学依据，如有不当之处，请参考专业资料。,Section B(2a-2b),Unit 2,How often do you exercise?,第1页,学习目标,Key words&phrases:,result,，,percent,，,online,，,television,，,although,play computer games,，,use the Internet,，,go camping,，,go online,Key sentences:,1.We found that only fifteen percent of our students,exercise every day.,2.Although many students like to watch sports,game,shows are the most popular.,3.Its good to relax by using the Internet,4.How many students do not exercise at all?,第2页,New words and phrases,result,n.,percent,n.,online,adj.,television,n.,although,prep.,through,conj.,mind,n.,结果；后果,百分之,在线；联网,电视节目；电视机,即使；尽管；即使,以；凭借；穿过,头脑；心智,第3页,body,n.,such,adj.&pron.,such as,together,adv.,die,v.,writer,n.,身体,这么；那样；类似,比如；像,这么,在一起；共同,毁灭；灭亡；死亡,作者；作家,第4页,How often do you?,Lead in,第5页,How often do you?,第6页,I sleep eight hours every night.,How many hours,do you sleep every night?,第7页,be good for our health,be bad for our health,第8页,2a,Rank these activities according to how often you think your classmates,do them(1=most often,6=least often).,watch TV go to the movies,play computer games,exercise or play sports,use the Internet,go camping in the country,Pre-reading,第9页,15,4 times a week,85,90,20,20,2,13,10,45,2b,Read the article and complete the pie charts on the next page.,While-reading,第10页,What Do No.5 High School Students Do in Their Free Time,Last month we asked our students about their free time activities.Our questions were about exercise,use of the Internet and watching TV.Here are the results.,上个月我们问询了学生们关于他们业余活动情况。我们问题相关锻炼、使用因特网以及收看电视。这是（调查）结果。,We found that only fifteen percent of our students exercise every day.Forty-five percent exercise four to six times a week.Twenty percent exercise only one to three times a week.And twenty percent do not exercise at all!,我们发觉仅有15%学生天天锻炼。45%学生每七天锻炼4到6次。20%学生每七天仅锻炼1到3次。而且20%学生根本不锻炼！,We all know that many students often go online,but we were surprised that ninety percent of them use the Internet every day.The other then percent use it at least three or four times a week.Most students use it for fun and not for homework.,我们都知道许多学生经常上网，但令我们吃惊是，有90%学生天天都使用因特网。其它10%学生每七天最少使用3或4次。大部分学生使用因特网只是为了娱乐而不是为了作业。,第11页,We all know that many students often go online,but we were surprised that ninety percent of them use the Internet every day.The other then percent use it at least three or four times a week.Most students use it for fun and not for homework.,我们都知道许多学生经常上网，但令我们吃惊是，有90%学生天天都使用因特网。其它10%学生每七天最少使用3或4次。大部分学生使用因特网只是为了娱乐而不是为了作业,The answers to our questions about watching television were also interesting.Only two percent of the students watch TV one to three times a week.Thirteen percent watch TV four to six times a week.And eighty-five percent watch TV every day!Although many students like to watch sports,game shows are the most popular.,对我们提出相关看电视问题回答也颇有意思。只有2%学生每七天看1到3次。13%学生每七天看4到6次。85%学生天天都看电视！尽管很多学生喜欢看运动类节目，但游戏类节目是最受欢迎。,。,第12页,It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.It is healthy for the mind and the body.Exercise such as playing sports is fun,and you can spend time with your friends and family as you play together.And remember,“old habits die hard”.So start exercising before its too late!,上网或看游戏类节目是很好放松方式，但我们认为放松最好方式是经过锻炼。它对身心健康有益。比如进行体育活动这种锻炼是有趣，当你们一起运动时你能够和朋友、家人一起度过时光。而且请记住：“旧习难改”。所以开始锻炼吧，不要等到来不及了！,第13页,2b部分知识点详解,1.Last month we asked our students about their free activities.,上个月我们问询了学生们关于他们业余活动情况。,拓展：ask for sth from sb 向某人要某物，也可用ask sb for sth 来表示,2.Here are the results.这是（调查）结果。,本句是here开头倒装句，该句主语为the results,here为表示地点副词。,拓展：当here/there置于句首时，其后主语和谓语颠倒位置，组成倒装结构，这种倒装句真正主语是后面名词；若主语为代词时，则不需要倒装。,Here is a letter for you.这儿有你一封信。,Here it is.它在这儿。,第14页,3.We found that only fifteen percent of our students exercise every day,我们发觉仅有15%学生天天锻炼。,find 作“发觉，发觉”讲时。其后可接各种形式复合结构：,（1）find+宾语+名词,We have found him to be a good boy 我们发觉他是一个好男孩。,(2)find+宾语+形容词,He found the room dirty.他发觉这个房间很脏。,（3）find+宾语+现在分词,I found her standing at the door.我发觉她正站在门口。,percent 名词，意为“百分之.，惯用结构：基数词+percent.,percent没有复数形式，作主语时，依据它所修饰名词单复数形式。,4.And twenty percent do not exercise at all 而且20%学生根本不锻炼。,not.at all 一点儿也不，根本不；,拓展：not at all 没关系，别客气，用往返答道歉或表示感激话。,5.The answer to our questions about watching television were also interseting.,对我们提出相关看电视问题回答也颇有意思。,（1）the answer to.为固定搭配，翻译为.问题答案,（2）辨析interesting 与interested,interesting,令人感兴趣，有趣,可用作表语，主语常是事物，也可做定语,interested,感兴趣,惯用于be interested in结构，主语常是人,第15页,5.Although many students like to watch sports,game shows are the most popular.,尽管很多学生喜欢看运动类节目，但游戏节目是最受欢迎。,although,作连词，尽管、即使，相当于,though,，用来引导让步状语从句。,6.It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.,上网或看游戏类节目是很好放松方式，但我们认为放松最好方式是经过锻炼。,（,1,）,by doing sth,经过做某事，,by,是,prep,经过、靠，此处表示方法、伎俩，其后接名词、代词或动名词形式。,拓展：,a.by+,交通工具，乘,/,坐,/,驾,I went to Beijing by plane,b.by+,时间，到,.,时，在,.,以前,I must be in bed by ten oclock,c.by+,地点，在,.,旁边,（,2,）,the best way to.,做,.,最好方式,The best way to learn English is to speak it every day,第16页,(3),辨析,through,over,与,across,through,表示从某个空间或内部穿过、横过,She walked through the forest alone,她独自一人走过森林。,over,表示从某物上方越过,A plane flew over the house,一架飞机飞过了房子。,across,表示从某物表面横过、穿过,He walked across the road carefully.,他小心地走过马路。,7.It is healthy for the mind and the body 它对身心健康有益,mind 名词，意为“头脑，心智”,mind 动词，介意、反对，常见结构为mind doing sth,8.Exercise such as playing sports is fun,and you can spend time with your friends and family as you play together比如进行体育活动这种锻炼是有趣，当你们一起运动时你能够和朋友、家人一起度过时光。,（1）such as 比如；像.一样，多用来例举同类人或事中几个例子，such as 之前普通用逗号和其它部分隔开，后面直接加名词性短语。,There are many big cities in China,such as Beijing and Shanghai,中国有许多大城市，比如北京和上海。,第17页,（2）spend 及物动词，度过，还可表示花费（时间、金钱等）,辨析spend,take 与pay,(3)together 副词，意为“在一起，共同;together with 和.在一起,8.And remember,Old habits die hard.而且请记住：“旧习难改。”,a.die 不及物动词，“死，死亡”，其过去式为died,动词-ing为dying,形容词为dead,名词为death.,His death is heavier than Mount Tai 他死重于泰山。,die out 消失，灭绝,die down 渐渐消失，平息，变弱,die off 相继死亡，先后死去,die away 渐熄，减弱，消失,spend,花费（时间、金钱等）,主语是人,惯用于spend.on sth和spend.doing sth,take,花费（时间）,it 作形式主语，真正主语是后面动词不定式,惯用句型为it takes/took sb.some time to do sth,pay,支付（钱）,主语是人,惯用于pay.for sth,第18页,Review the new words in the period.,Review the language points in 2b.,Work out the exercise on the students book.,Homework,Homework,第19页,Thank you,everyone!Bye-Bye,第20页,