Unit4InformationTechnologyLesson3Internetandfriendships課件高一英語(yǔ)北師大版2

Unit4Lesson3InternetandFriendships(1)新課導(dǎo)入

Let’stalkDo

you

think

theInternet

helps

or

harms

friendships?Giveyourreasons.PositiveaspectsNegativeaspects◎bringpeopleclosertogether◎makespeopleself-centred2Readthefirstblogpost“TheInternetHarmsFriendships”.

Underlinethegeneralideaandthe

topicsentenceforeachargument.SkillBuilderIdentifyingTopic

SentencesandSupporting

DetailsAtopicsentencestatesthegeneralideaorthemainpointofatextorparagraph.Supportingdetailsgivemoreinformationaboutthattopic.Readthetexttogetthegeneralidea.Identifyonesentenceforeachargumentthatstatesthisgeneralidea.Thisisthetopicsentence.Readthetextagain.Lookforextrainformationthatsupportsthetropicsentence,e.g.examples,reasons.Thesearethesupportingdetails.While-reading課堂學(xué)習(xí)ThegeneralideaWhiletheInternetcanbringpeopleclosertogether,itcanalsoharmfriendships.The

topicsentenceforeachargumentArgument

1:

Firstly,

talkingonlineisnoreplacementforface-to-facecontact.Argument

2:

Secondly,

the

Internet

can

make

people

self-centred.Argument

3:

Thirdly,

online

relationships

may

not

be

what

they

appear

to

be.3Readthefirstblogpost

again.Completetheinformationontheleftsideofthediagram.

NegativeaspectsArgument1Topic

sentence:

Firstly,

talkingonlineisnoreplacementforface-to-facecontact.Supporting

details:

Imagesreallycannotreplaceareal-lifesmileorhug.Communicatingthroughascreenmakesitmoredifficultforchildrentoconcentrateorshowkindnesstoothers.

NegativeaspectsArgument2Topic

sentence:

Secondly,

the

Internet

can

make

people

self-centred.Supporting

details:

Insteadofhavingproperconversationswiththeirfriends,somepeopleareonlyconcernedwiththeironlinepopularity.In

addition,

alotofthecontentpostedonsocialmediaisshallowortrivial.NegativeaspectsArgument34Readthesecondblogpost“TheInternetHelpsFriendships”.

CompletetheinformationontherightsideofthediagraminActivity3.

PositiveaspectsArgument1PositiveaspectsArgument2PositiveaspectsArgument3Post-reading6GroupworkThinkandshare.1.Lookatthesentencefromparagraph2inthefirstblogpost,“Itistheseskillsthatenableustodeveloplifelongfriendships”.Whatdoes“these”referto?Doyouagreewiththestatement?Whyorwhynot?2.Inthesecondblogpost,whatdoesEileenKennedy-Mooremeanwhenshesaysthatonlinefriends“fillholesreal-lifefriends

can’t”?

Giveyourreasons.7Arethereanyotheradvantagesordisadvantagesofonlinefriendships?Ifso,listthenbelow.AdvantagesDisadvantagesPeoplecankeepcontactwithmanyfriendsatthesametime.Peoplegettoknowmorenewfriendsonline.Themessagecanbesavedtoreadlaterwhenpeoplehavetime,andonlinefriendsaremoretoleratewithdelayedreply.Otheraspects8Herearefivemethodswritersoftenusetosupporttheirarguments.Readthetwoblogpostsagain.Identifywhatmethodsthewritersused.Findexamplesfromthetext.Post1.a(lines5—7);b(lines12—15);d(lines8—10)Post2.a(lines16—17);d(lines12—14);e(lines6—9)9Completetheadjectives.Chooseatleastfiveadjectivestowritefivesentencesinthespacegiven.YoumayexpresseitherpositiveornegativeopinionsabouttheuseoftheInternet.1r__w__rding 6b__ief2s__all__w 7c__ea__ive3c__n__e__ient 8ch__erf___l4sel__-cen____ed 9tr__s__ing5l__mi__ing 10th____ght-provokingeahoovnftritrrteuutou

北師大必修第二冊(cè)Unit4(

英語(yǔ)

)ENGLISHLesson3InternetandFriendships(2)harm

vt.&n.

傷害，損害E.g.ToomuchTV-watchingcanharmchildren’sabilitytolearn.看電視過(guò)多會(huì)損害孩子們的學(xué)習(xí)能力。Keypoints[歸納拓展]【辨析】harm意為“危害,使人受傷害”,可用于生物,常用于抽象事物。damage通常指部分性的損壞,往往指價(jià)值、用途降低或外表?yè)p壞等,也表示可以修復(fù)的破壞。destroy指徹底的毀壞、毀掉或毀滅,往往無(wú)法或難以修復(fù)。ruin強(qiáng)調(diào)“毀壞”,使美好的事物失去優(yōu)良的特性或特征,不能恢復(fù)。[即學(xué)即練]單句語(yǔ)法填空1.It’sbelievedthattobaccocontains________(harm)productstohealth.

句型轉(zhuǎn)換2.Thesepillsdoyourlungsharm.→Thesepills___________________yourlungs.

→Thesepills___________________yourlungs.

harmfuldoharmtoareharmfultoreplace

vt.

取代;接替E.g.Firstly,talkingonlineisnoreplacementforface-to-facecontact—imagesreallycannotreplaceareal-lifesmileorhug.首先,網(wǎng)絡(luò)交流不能替代面對(duì)面的交往——圖像確實(shí)不能代替真實(shí)生活中的微笑或擁抱。[歸納拓展][即學(xué)即練]單句語(yǔ)法填空1.Paperbookswillneverbe____________

(replace)bye-books.

2.Somepeopleusemeal____________

(replace)tohaveabalanceddiet.

replacedreplacements[歸納拓展]focus...on 集中……于focuson 關(guān)注infocus

焦點(diǎn)對(duì)準(zhǔn)的

outoffocus

焦點(diǎn)未對(duì)準(zhǔn)的[即學(xué)即練]單句語(yǔ)法填空1.Ifoundithardtofocusmymind________thediscussion.

2.Withalltheeyes___________(focus)onher,shefeltnervous.

onfocusedItistheseskills

thatenableustodeveloplifelongfriendships.正是這些技能才使我們能保持終生的友誼。句式解讀:句中“Itis...that”為強(qiáng)調(diào)句型。強(qiáng)調(diào)句(1)基本結(jié)構(gòu)：Itis/was＋被強(qiáng)調(diào)部分＋that/who＋句子其他部分。Itisthepeoplewhoobeytherulesthat(who)matter.(2)一般疑問(wèn)句的強(qiáng)調(diào)句型：Is/Wasit＋被強(qiáng)調(diào)部分＋that/who＋句子其他部分？WasitthreeyearsagothathewenttoAmericaforfurtherstudy?(3)特殊疑問(wèn)句的強(qiáng)調(diào)句型：疑問(wèn)詞(被強(qiáng)調(diào)部分)＋is/was＋it＋that＋句子其他部分？Whenwasitthatyougotpromoted？你是什么時(shí)候升職的？(4)not...until...結(jié)構(gòu)的強(qiáng)調(diào)句型：Itis/wasnotuntil...that...Itwasnotuntilneartheendoftheletterthatshementionedherownplan.[即學(xué)即練]單句語(yǔ)法填空1.Itwasonlywhenthecarpulledupinfrontofourhouse______wesawLilyinthepassengerseat.2.______wasat5o’clockthatthevisitorsfinallyarrivedatPudongInternationalAirport.3.—Wereallthethreepeopleinthecarinjuredintheaccident?—No,itwasonlytwopassengers__________gothurt.thatItthat/whoFocusonlanguage:CompoundWords2.復(fù)合形容詞名詞+形容詞：world-famous世界聞名的名詞+動(dòng)詞-ing形式：peace-loving熱愛(ài)和平的名詞+動(dòng)詞-ed形式：heart-broken傷心的形容詞+名詞：long-distance長(zhǎng)途的形容詞+形容詞：dark-blue深藍(lán)色的形容詞+動(dòng)詞-ed形式：new-born新出生的副詞+動(dòng)詞-ing形式：hard-working勤勞的數(shù)詞+名詞：first-class頭等的數(shù)詞+名詞+形容詞：ten-year-old十歲大的3.復(fù)合動(dòng)詞名詞+動(dòng)詞：water-cool用水冷卻形容詞+動(dòng)詞：q