Lesson_23_The_Internet—Good_or_Bad

1、Welcome studychat send or receive e-mailswatch TV or movies 变变形形金金刚刚listen to music go shopping search for information Does your parents worry about you using the Internet? Why?Do you think the Internet makes life simpler? How?attack v.袭击；损害袭击；损害web n. 网络网络;网网 steal v.偷窃；盗取偷窃；盗取steal /stole/stolenba

2、nking n. 银行业银行业 coin /kn/ n. 硬币硬币every coin has two sidesadvantage /dvntd/ n. 优势优势;有利条件有利条件/因素因素 disadvantage /dsdvntd/ n. 缺点；不利因素缺点；不利因素simple /smpl/ adj.简单的；简明的简单的；简明的coin /kn/ n.硬币造成；引起硬币造成；引起cause /k:z/ v.& n. 引起；发生引起；发生less /les/ adj&adv（little 的比较级）更少的的比较级）更少的aside /sad/ adv.除除之外；在旁边之外；在旁边atta

3、ck /tk/ v.袭击；损害袭击；损害web /web/ n. 网络网络;网网steal /sti:l/ v.偷盗；窃取偷盗；窃取banking /bk/ n.银行业银行业properly /prpl/ adv.正确的正确的 Words Words advantagedisadvantagesimplecoincauselessn n. . 优势；有利条件优势；有利条件n. n. 缺点；不利因素缺点；不利因素adj. adj. 简单的；简明的简单的；简明的n. n. 硬币硬币v. v. 造成；引起造成；引起adj. &adv.adj. &adv.更少更少/ /小的小的( (地地) ) asi

4、deattackwebstealbankingproperlyadvadv. . 除除之外；在旁边之外；在旁边v. v. 袭击；损害袭击；损害n. n. 网络；网网络；网v.v.偷盗；窃取偷盗；窃取n. n. 银行业银行业adv. adv. 正确地正确地和某人保持联系和某人保持联系 在许多方面在许多方面 对对有害有害 除了除了之外之外 占用占用 能够做能够做 在几秒内在几秒内 从从偷取偷取 和某人分享和某人分享 每个事物都有两面性每个事物都有两面性 Read this passage ,then find out some important phrases. stay in touch wi

5、thin many ways be harmful toaside fromtake up be able to doin secondssteal fromshare with Every coin has two sides.Read the lesson again and fill in the table.Good things about the InternetBad things about the Internet It makes life easier and simpler.2. It helps us get things done more quickly.3. I

6、t opens up the world to us.4. It is easy to stay in touch with friends.1. Spending too much time online is harmful to peoples health.2. It causes them to be less social with family and friends.3. Some people attack the web or steal others personal information.重点单词和短语 1，be able to_2,advatage(反)_ 3，si

7、mple(adv)_4,harm (adj)_(反)_5,little (比较级)_(最高级）_6,steal (过去式)_(过去分词)_7,far away_ 8,In touch _(反)_ 9,Too much _too many _ much too_Get/ have sth done1,It helps us get things done more quicklyhave sth done一般是指“使得某事/物被（他人）.”,而get sth done就不会专指“被别人做1,Teenagers shouldnt be allowed to _ their ears pierced

8、 A get B have2,I have my hair _.A cut B cutting Language notes AA2,Spending too much time online is harmful to people s health.be harmful to 对对有害处有害处如如:It is harmful to eat junk foodjunk food. be good for “对有好处” be harmful to “对有害处”相当于be bad for be harmful for sb. to do sth拓展拓展 活学活用 As weknow, doing

9、 much work _ (对有坏处) our health. Mobile phone make our life much convenient, but its electromagnetic radiation may _ _ (be harmful to) people. . 手机给人们的生活带来极大的便利手机给人们的生活带来极大的便利, 但其但其电磁辐射可能对人体具有潜在威胁电磁辐射可能对人体具有潜在威胁be harmful to Is harmful to 3,It may even cause them to be less social with family and fri

10、ends.cause /k:z/ 不可数名词不可数名词:起因,原 因; 可数名词可数名词：理由;缘故 vt. 为原 因; 导 致; 引 起; 使遭受 例句 Climate change will cause mass migration.(气候变化将导致大规模移民) 4,but dont let it take up all your time. take a walk 散步散步, take a rest 休息一下休息一下, take a look 看一看等等看一看等等 take away 拿走拿走 . take care (=be careful=look out) 小心小心 take (g

11、ood) care of (好好好好)照顾，照料照顾，照料 I take down 取下取下take out 拿出拿出 take off 脱下，飞机脱下，飞机(等起飞等起飞) Eg:This work will take up a lot of my timetake up 拿起；开始从事；占据拿起；开始从事；占据(时间时间,地方地方)拓展拓展即学即用 Doing homework _most of his free time. A ,take away B ,take off C ,take done D, take up D read the lesson and fill in the

12、blanks.A The Internet is good.The Internet is bad. Use the Internet properly and carefully and it can make your life more colourful. As junior high students, what things can you do on the Internet? Why?Tick the ones you think are OK for junior high students and give your reasons. E-mail with friends

13、 and family. Chat online with friends. Download documents(文件）文件） from strangers. Write blogs. E-mail with strangers. Open attachments （附件）（附件）from strangers. Send, receive or post photos with friends. Play online games for a whole day. Download programs. Stay online after 10:00 p.m.课后检测 1，be able to

14、_2,advatage(反)_ 3，simple(adv)_4,harm (adj)_(反)_5,little (比较级)_(最高级）_6,steal (过去式)_(过去分词)_7,far away_ 8,In touch _(反)_ 9,Too much _too many _ much too_10,aside from_ 11,stay in touch with_ 12,in many ways _ 13,be harmful to_二、单选二、单选( ) 1. Dont forget _ the door when you go out. A. close B. closing C.

15、 to close D. closed( ) 2. Please _ the seed(种子） _ soil. A. cover ,in B. cover; with C. covered ;with D. cover; on( ) 3. Did you plant trees _ Tree Planting Day? A. on B. at C. to D. of ( ) 4. The hole is _ to hold the roots of the seedling. A. enough large B. large enough C. enough small D. small enough( ) 5. _ , where did you go? A. In a way B. In the way C. On the way D. By the wayCBABDWhat do you think about the Int