Unit 4 Information Technology Lesson 3 Internet and Friendships 知识点课件-高中英语北师大版（2019）必修第二册

LanguagepointsTheInternetHarmsFriendshipsWhiletheInternetcanbringpeopleclosertogether,itcanalsoharmfriendships.while意为“虽然；尽管”,相当于though/although,引导让步状语从句。（1）while意为“当……时”，引导时间状语从句。从句中的谓语动词是延续性的。（2）while位于句中，连接分句，意为“而……；却”。WhileTomwasatuniversity，hewouldstudyinthelibrary.汤姆上大学时，他会在图书馆里学习。Myfatherisinfavourofmyplan，whilemymotherisagainstit.我父亲支持我的计划，而我妈妈反对它。Firstly,talkingonlineisnoreplacementforface-to-facecontact―imagesreallycannotreplaceareal-lifesmileorhug.Accordingtoaparentingexpert,DeniseDaniels，communicatingthroughascreenmakesitmoredifficultforchildrentoconcentrateorshowkindnesstoothers.

Asweknow，importantsocialskillsaredevelopedthroughdirectcontactwithotherpeople.Imunicatingthroughascreenmakesitmoredifficultforchildrentoconcentrateorshowkindnesstoothers.通过屏幕交流会使孩子们更难集中注意力或对他人表现出善意。makeit+adj.+forsbtodosth使某人做某事……“makeit+adj.+forsbtodosth”中的it是形式宾语，adj.作宾语补足语，而真正的宾语是后面的动词不定式。正是这些技能使我们能够发展终生的友谊。Itistheseskillsthatenableustodeveloplifelongfriendships.本句是一个强调句，强调的是主语。强调句的基本结构：Itis/was+被强调的部分+that/who+剩余部分.

1）强调句型可强调除谓语动词和表语以外的其他句子成分，如主语、宾语、状语等。

2）当被强调部分是人时，除用that外，还可用who构成强调。3）判断是否是强调句型的方法：把Itis/was和that去掉，看句子的结构及语意是否完整，若完整，则为强调句型；若不完整，则不是。

Secondly,theInternetcanmakepeopleself－centred—not

thinkingofanyoneoranythingbutthemselves.Forexample，insteadofhavingproperconversationswiththeirfriends,somepeopleareonlyconcernedwiththeironlinepopularity—Howmany“likes”didIget？HowmanyfollowersdoIhave？—thoughweknowthatthenumberof“likes”orfollowerscannotcomparetohavinglong-termandrewarding⑱friendships.Inaddition，

alotofthecontentpostedonsocialmedia

isshallowortrivial.Postsaboutfunnycatimagesdonotnecessarilyhelpformmeaningfulrelationships.

重点短语：not…butthinkofforexampleinsteadofbeconcernedwiththenumberofcomparetoinaddition不是…而是考虑；想起；例如代替；而不是对…关心；与…有关…的数量与…相比此外许多，大量anumberofalotofthecontentpostedonsocialmedia

isshallowortrivial.过去分词作定语Thirdly,onlinerelationshipsmaynotbewhattheyappeartobe.Friendshipsarebuiltonthebasisoftrust,andwithonlinecommunicationyoucanneverbe100percentsurethatthepeopleyouarechattingtoarebeinghonestaboutwhotheyare.

Becauseofthis,goingonlinecanbeparticularlydangerousforpeoplewhoareeasilyinfluencedortootrusting.onlinerelationshipsmaynotbewhattheyappeartobe.what引导的表语从句andwithonlinecommunicationyoucanneverbe100percentsurethatthepeopleyouarechattingtoarebeinghonestaboutwhotheyare.

通过在线交流，你永远不能百分之百的确定与你交谈的人是否以诚相待。Inmyopin