Unit2Discovery课件沪教版（五四学制）英语七年级下册

英语七年级下册多媒体教学课件ENGLISH7B

Unit2LanguageandcommunicationAncientandmodernwaysofcommunicationDiscoveryLookatthepictures.Whatkindofcommunicationarethey?Aretheymodernwaysorancientways?Lookandanswer1TheyareancientChinesecharacters.It’sanancientway.It’ssmoke.It’sanancientway.It’satelephone.It’samodernway.TheyareSwitzerlandAlphorns(阿尔卑斯号角).It’sanancientway.Readandcomplete2Symbolswereusedtodelivermessages.TheChineselanguagewasfirstwrittenover5,000yearsago.OracleBoneScript（甲骨文）arewordsorsymbolsonbonesortortoiseshellsintheShangdynasty.SymbolsforcommunicationAncientandmodernwaysofcommunicationSmokesignalswereusedtosendmessages.TheyweremostlyusedinancientChina.ChinesesoldiersalongtheGreatWallsentsmokeintotheairaswarningsofenemyattack.SmokesignalsAlphornswereonceusedtocommunicateinthemountainsofSwitzerland.Alphornsareverylongandheavy.ThesoundmadebyAlphornstravelsmuchfartherthanthehumanvoice.SwitzerlandAlphorns(瑞士山笛)Readandcomplete2ThefirsttelephonewasinventedbyAlexanderGrahamBellin1876.Thisallowedpeopletosendvoicesoverwires.Landlinetelephoneservicesbeganinthe1900s.Mobilephoneswereinventedin1973.TelephonesReadandcomplete2Complete

the

table.WaysofCommunicationTimeofOriginPlaceofOriginFunctionOracleBoneScriptsmokesignalsSwitzerlandAlphornsTelephonesWaysofCommunicationTimeofOriginPlaceofOriginFunctionOracleBoneScriptInShangdynastyChinaTodelivermessagesSmokesignalsInancientageChinaTosendmessagesSwitzerlandAlphorns/SwitzerlandTocommunicateinthemountainsTelephonesIn1876/TosendvoicesoverwiresReadandanswer3Symbolswereusedtodelivermessages.TheChineselanguagewasfirstwrittenover5,000yearsago.OracleBoneScript（甲骨文）arewordsorsymbolsonbonesortortoiseshellsintheShangdynasty.SymbolsforcommunicationAncientandmodernwaysofcommunicationQ1

HowisOracleBoneScriptdifferentfromChinesecharactersweusenow?Itlookslikepicturesandismoredifficulttowrite.Q2

WhyareChinesecharactersmucheasiertowritenow?Becauseourcommunicationwaysareimproving.Readandanswer3Smokesignalswereusedtosendmessages.TheyweremostlyusedinancientChina.ChinesesoldiersalongtheGreatWallsentsmokeintotheairaswarningsofenemyattack.SmokesignalsQ3

WhatdidChinesesoldiersusesmokesignalstodoalongtheGreatWall?Theyusedsmokesignalsaswarningsofenemyattack.Q4

Dowestillusesmokesignalsnow?Ifyes,whereandwhydoweusethem?Yes,wedo.Weusethemontheislandtocallforhelp.Readandanswer3AlphornswereonceusedtocommunicateinthemountainsofSwitzerland.Alphornsareverylongandheavy.ThesoundmadebyAlphornstravelsmuchfartherthanthehumanvoice.SwitzerlandAlphorns(瑞士山笛)Q5

AreSwitzerlandAlphornseasytocarry?No,theyaren’t.Theyareverylongandheavy.Q6

WhydidSwisspeopleuseitinsteadofjustshoutingloud?Becauseitssoundtravelsmuchfartherthanthehumanvoice.Readandanswer3ThefirsttelephonewasinventedbyAlexanderGrahamBellin1876.Thisallowedpeopletosendvoicesoverwires.Landlinetelephoneservicesbeganinthe1900s.Mobilephoneswereinventedin1973.TelephonesQ7

Thefirsttelephonewasinventedin1900s,wasn’tit?No,itwasn’t.Q8

Howdidtheinventionofmobilephoneschangeourwaysofcommunication?Mobilephonesareeasiertocarry,whichallowsustomakephonecallsmoreconveniently.Readandthink4Whydidpeopleinventdifferentwaysofcommunication?Differentwaysofcommunicationhelpusstayconnectedoverlongdistancesorindifferentsituations.考点1.communication

n.沟通；交流Effective

communication

is

important

in

a

large

organisation.有效的沟通在大型组织中很重要。【提示】communication

club是学生们所组织的沟通社团。类似于shoe

shop,sports

meet等，这里用名词communication

修饰名词club,

明确社团的属性。【联想】communicate

v.沟通；交流常用communicate

with

sb.表达“与某人交流”。We

communicate

witheach

other

mostly

by

email.我们彼此之间主要通过电子邮件沟通。考点2.social

adj.社交的；社会的Takingpartinsocial

activities

can

improve

your

communication

skills.参与社交活动可以提高你的沟通能力。【联想】society

n.社会Inmodern

society,

technology

plays

an

important

role

in

everyday

life.在现代社会中，技术在日常生活中起着重要的作用。socially

adv.在社会方面；在社交方面Hefeltsociallyawkwardatthepartybecausehedidn'tknanyone.他在聚会上感到社交尴尬，因为他不认识任何人。

考点3.chat

v.闲聊；聊天n.

聊天I

chatted

with

my

friend

aboutmyplan

fortheweekend.我和我的朋友聊了聊周末的计划。Ihadanicechat

with

my

neighbour

this

morning.今天早上我和邻居聊得很愉快。【提示】第一个句子中chat是动词。chatwith

sb.about

sth.的意思是“和某人聊一聊某事”。注意chat

的过去式、过去分词以及现在分词均要双写t(chat-chatted-chatted;chat-chatting)。

have

a

chat

with

sb.about

sth.表示“和某人就某事聊个天”。考点4.embarrassment

n.尴尬；难堪Hefeltadeepsenseofembarrassment

when

he

mispronounced

her

name.当他读错她的名字时，他感到深深的尴尬。【联想】embarrassing

adj.令人尴尬的

embarrassed

adj.感到尴尬的ItwasanembarrassingmomentwhenIforgotthehost'snameattheparty.在聚会上忘记主持人的名字是一个尴尬的时刻。Shewasembarrassedtoadmitthatshedidn'tunderstandthelocalcustoms.她感到很尴尬，承认自己不理解当地的习俗。考点5.

mind

v.注意；介意Pleasemindthegapbetweenthetrainandtheplatform.请注意列车和站台之间的缝隙DoyoumindifIsithere?你介意我坐在这里吗?Wouldyoumindhelping

me

with

this

project?你介意在这个项目上帮我一下吗?【提示】mind作动词时有不同的含义。它可以表示“小心；注意”,如文中的mind

your

body

language,以及例句中的mind

the

gap。它也可以表示“介意”,如“Do

you

mind

if

I…”或mind

doing…。另外，mind还可以作名词，表示“头脑；决心”。Shehasabrilliantmind

anddoeswellinallherstudies.她有一个聪明的头脑，所有学业都很出色。Hemadeuphismindtotravelabroad.他决定出国旅行。一、单项选择1．Whodoyoulike________,theEngl