2021秋高一英语北师大版必修第二册课件：UNIT 4 INFORMATION TECHNOLOGY SECTION A TOPIC TALK & LESSON.pptx

内容索引[素养导航][晨读晚诵]Thatmaycomesoonerthantheythink:newwaystotakepocketmoneyintocyberspacearecomingoutrapidlyonbothsidesoftheAtlantic.Ifsuccessful,theseproductscanencourageonlinesales.
Ingeneral,teenagersspendhugeamounts:$53billionintheUSlastyearand￡20billioneveryyearintheUK.MostteenagerscansurftheInternetathomeoratschool—88percentintheUS,69percentintheUK.AccordingtotheJupiterResearch,oneineightofthosewithInternetaccesshaveboughtsomethingonline—mainlyCDsandbooks.Inmostcases,parentspayforthesepurchaseswithcreditcards,anarrangementthatisoftenunsatisfactory②forthemandtheirchildren.Pressingparentstospendonlineislessproductive③thanpressingonthehighstreet.Theyaremorelikelytoask“Why?”ifyouasktospendsomemoneyonline.
Onewaytohelpteenagerschangenotesandcoinsintocybercashisthroughprepaidcards④suchasInternetCashintheUSandSmartCardsintheUK.Similartothoseforpay-as-you-gomobiletelephones,theyaresoldinamountssuchas￡20or$50withahidden14-digitnumberthatcanbeusedtoloadthecashintoanonlineaccount.词海拾贝
①trickyadj.难办的;难对付的;狡猾的;机警的
②unsatisfactoryadj.不令人满意的
③productiveadj.有效益的;富有成效的
④prepaidcards预付卡典句欣赏
Similartothoseforpay-as-you-gomobiletelephones,theyaresoldinamountssuchas￡20or$50withahidden14-digitnumberthatcanbeusedtoloadthecashintoanonlineaccount.
译文:类似于预付费的移动电话,它们(预付卡)的售价是20英镑或50美元,有一个隐藏的14位数字可用于将现金存入在线账户。
分析:本句的主干是theyaresoldinamountssuchas￡20or$50withahidden14-digitnumber,thatcanbeusedtoloadthecashintoanonlineaccount是定语从句。Similartothoseforpay-as-you-gomobiletelephones作状语。探究思辨
Whatdoyouthinkofonlineshopping?
答案Ontheonehand,onlineshoppingisaconvenientwaytobuythings.Itistime-saving,andyouhavemorechoices.Ontheotherhand,therearesomedisadvantages.First,youcannottouchtheitem,soitmaybedifferentfromwhatyouget;youmayfallforthetricksofonlineshops.Besides,payingonlineisnotalwayssafe.Ⅰ.知识体系图解8. n.闹钟
9. vt.欺骗,诱骗,哄骗
10. n.多样化,变化
11. adj.朴素实用的;明智的,合理的
12. vi.&vt.做实验,进行试验n.实验
13. adv.现今,现时
14. n.供选择的同类物品;选择
15. n.担忧,忧虑vt.与……有关;使担心
16. vt.欺骗;欺诈
17. vt.看,把……视为阅读词汇
18.self-focusedadj.
19.indeedadv.
20.