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,*,*,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,*,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,*,Lesson 23,The InternetGood or Bad?,Lead in(7:50-7:54)(10:10-10:14),advantage,diaadvantage,simple,coin,cause,less,aside,attack,web,steal,banking,properly,dv:ntd,dsdvntid,smpl,kn,k:z,les,sad,tk,web,sti:l,bk,prpli,n.有利条件，优势,n.缺点，不利因素,adj.简单的，明了的,n.硬币,v.造成，引起,adj.adv.更少（little的比较级）,nadv.除.之外,v.袭击，损害,n.网络，网,v.（stole,stolen）偷到,偷取,n.银行业,adv 正确地.,Where do these students live?,They live in Africa.,With the Internet,we could meet them,in seconds,.,Whats this?,Its the South Pole.Its,far away,from us.,But the Internet can even take us there.,The InternetGood or Bad?,Every _ has two sides.Everything,has two sides(_or _),so is the Internet.,coin,advantages,disadvantages,Advantages:,In many ways the Internet makes our life easy and,simple,.,Spending too much,time online is,harmful,to peoples health.,Disadvantages:,Disadvantages:,It may,cause,people be,less,social with family and friends.,Disadvantages:,Aside from,(,除此以外,)that,Some people,attack,the,web,or,steal,others,personal,information,even,banking,information.,So we must use the Internet,properly,.,Thinking（7:54-8:09)(10:14-10:29),Task 1:P,34,Read the passage aloud and underline,the words you cantt read.,Task 2:P,34,Listen to the passage and check the,pronunciation,of the words and underline the,phrases,Task,3,:,P,35,Lets Do It!,Task 4:Translation between English and Chinese,Thinking（7:54-8:09)(10:14-10:29),be able to do._,in many ways _,open up _,stay in touch with._,take care _,在很短的时间内 _,遥远 _,占用 _,除此之外 _,_,Discussion,(8:09-8:18)(10:29,-,10:38),1.C,heck your answers with your classmates.,2.Read the text.,1.,Read Paragraph 1 and 2 and find out the,good things,about the Internet.,*We can use it to_ and _ information _ _.,*In many ways it makes life _ and _.,*It helps us get things done_ _.,*It _ _the world to us.,*It makes it _to stay in touch if a friend,lives_ _.,connect,share,more quickly,opens up,easy,far away,easier simpler,in seconds,Show time,(8:18-8:27)(10:38-10:47),Read Paragraph 3 and find out the,bad things,about the Internet.,*Spending _ _ time online is _ to peoples _.,*It may even _ them to be _ _with family and friends.,*Some people _ the web or use it to _ others _ information,even _ information.,too much harmful,attack steal,personal banking,cause less social,health,Show time,(8:18-8:27)(10:38-10:47),Listen to the dialogue and tick the correct answers.,1.What are Li Ming and Wang Mei talking about?,Their school project.,Their homework.,2.Why does Wang Mei think the Internet is good?,She can chat with her friends easily.,She can watch TV programs.,3.Li Ming thinks they should use the Internet_.,carefully and freely,properly and carefully,Show time,(8:18-8:27)(10:38-10:47),be able to do._,in many ways _,open up _,stay in touch with._,take care _,在很短的时间内 _,遥远 _,占用 _,除此之外 _,_,有能力做.,在很多方面,打开,与.保持联系,注意，关心,in seconds,far away,take up,aside from,Show time,(8:18-8:27)(10:38-10:47),Explaination,(8:27-8:36)(10:47-10-56),Explaination,(8:27-8:36)(10:47-10-56),1.stay in touch 意思是：_.stay in touch with sb.相当于keep in touch with sb.意思是和某人保持联系。eg:They _(保持联系)with each other by sending e-mail last year.,2.,be able to强调在具体事件中有能力去做某事，经过努力而成功的做成某事,可用于各种时态。,can 指一般性的能力，有能力做某事，没有将来时和完成时。,eg：Finish your homework first,and then youll _,watch TV for an hour.,A.can B.be able to C.able to D.could,保持联系,stayed in touch,B,Explaination,(8:27-8:36)(10:47-10-56),Explaination,(8:27-8:36)(10:47-10-56),3.aside from.除.之外，作除.之外（还）时相当于besides;作除了.外（都）讲时相当于 except.,eg：Aside_ being interesting,the Internet is also ausful tool.,A.in B on C.from D.with,4.Spending too much time online is harmful to peoples health.意思是：_,Spending too much time 是动名词做主语，谓语动词用单数形式.,eg:_ too much _bad for you.,A.Eating;is B.Eating are,C.Eat;are D.Eating;is,C,在网上花费太多时间对人们的健康有害,A,Explaination,(8:27-8:36)(10:47-10-56),Explaination,(8:27-8:36)(10:47-10-56),5.steal 动词，偷盗。过去式是_,过去分词是_,Someone _(偷)my bike yesterday.,My wallet _(偷)yesterday.,6.However,the Internet has advantages and disadvantages.,however 意为“然而，但是”。一般情况下，however和but区别使用的。二者都意为“可是，但是”。,（1）but是并列连词，连接两个并列分句，两句在意义在构成了转折。,(2)however 不能直接连接两个分句，必须另起新句，并用逗号与后面的句子隔开。,It was raining hard.,_,we went out to look for the boy.,I really dont like cheese,_I,will try just a little this time.,stole,stolen,stole,was stolen,however,but,Explaination,(8:27-8:36)(10:47-10-56),Explaination,(8:27-8:36)(10:47-10-56),注意：,（,1）however比but用的场合更正式，however用于书面语，而but,常用于口语。,（2）however后有“，”，而but没有。,7.It helps us get things done more quickly.它帮助我们使事情做得更快。,get sb./sth.done 意为“使某人被/使某物处于的状态”，done是被动,的标志。,Im going to get my homework _tonight.(do),I like to get my clothes_by my mother.(wash）,8.It may even cause them to be less social with family and friends.,这甚至可能引起他们更少与家人和朋友交往。,less的用法,（1）less是little的比较级,意为“更少的，较少的”。,He spends less time in doing experiments.,She says less but does more.,done,washed,Explaination,(8:27-8:36)(10:47-10-56),Explaination,(8:27-8:36)(10:47