初中英语冀教版（2024）八年级下册（2024）Lesson 3 Computers and the internet评课课件ppt

这是一份初中英语冀教版（2024）八年级下册（2024）Lesson 3 Computers and the internet评课课件ppt，共33页。PPT课件主要包含了学习目标，Lead in等内容，欢迎下载使用。
能够理解电脑与互联网如何改变学习方式，掌握关键信息，并用简单句回答问题；
能够在语篇中识别一般过去式的被动语态（was/were+V-ed)并正确使用相关的结构，使表达更连贯、更准确；
能够围绕“电脑/互联网的利弊”进行同伴讨论与对话续写，清晰表达自己的看法与理由，初步形成理性评价意识与数字素养意识。
Pre-listening
What d yu like t d n the cmputer？Tick and talk with yur partner. Take an nline curse Chat with friends Send r receive emails D hmewrk search ther：_____________________I like t ___________________,because________________________.
widely /'waɪdli/ adv. 广泛地；普遍地tl /tuːl/ n. 工具；方法spell /spel/ v. 拼写；拼成print /prɪnt/ v. 印刷；打印；发表dictinary /'dɪkʃənri/ n. 词典；字典simply /'sɪmpli/ adv. 简单地；仅仅AI /ˌeɪ'aɪ/ abbr.（=artificial intelligence）人工智能definitin /ˌdefɪ'nɪʃn/ n. 释义；解释applicatin /ˌæplɪ'keɪʃn/ n.（=app）应用程序；应用；申请；请求
wide adj. 宽的；广泛的
printing n.印刷
simple adj.简单的；容易的
While-listening
Jenny wants t d her hmewrk n the cmputer. But her mum is using it.Jenny: Mum, is it kay if I use the cmputer nw?Mum: Okay. I just finished my wrk, s it's all yurs. Jenny, yu're s lucky t have a cmputer.Jenny: Yes, I am. As it's cnnected t the internet, it has made study and research much easier.Mum: This technlgy helps students a lt with their hmewrk. But when I was a student, cmputers were nt widely used. And the internet was nt as cnvenient as it is nw. I culdn't imagine having such a cnvenient tl fr getting the jb dne.
Jenny: Mum, hw was hmewrk dne in thse days?Mum: Well, everything was written by hand n paper. When I didn't knw hw t spell a wrd, I had t lk it up in a printed dictinary. When I needed t d any research, I had t g t the library.Jenny: But nw with the internet we can simply search fr everything nline. And there's always new technlgy, like AI.Mum: Yes, and yu can easily find definitins and examples fr any wrd. The internet and the cmputer are amazing inventins with many applicatins.Jenny: I agree with yu n that, Mum.
Read the cnversatin and answer the questins.A What des Jenny want t d n the cmputer?B Hw did Jenny's mum d hmewrk when she was a student?
Jenny wants t d her hmewrk n the cmputer.
Hmewrk was written by hand n paper.
Fill in the blanks.Nw, we're s lucky t have a cmputer. ________it's cnnected t the internet, it has made study and research much ________.This technlgy helps students a lt with their hmewrk. But when ur parents were students, cmputers were nt _______ used. Everything was _________ by hand n paper.But nw with the internet we can _________ search fr everything nline. And there's always new technlgy, like AI.Yu can easily find _________ and examples fr any wrd.
Pst-listening
Language pints
1. As it's cnnected t the internet, it has made study and research much easier.由于它连接了互联网，这让学习和研究变得容易多了。be cnnected t 与相连The htel was cnnected t the statin by a walkway。一条人行通道把旅馆和车站连接起来。拓展(1) be cnnected with与……有关联The Spring Festival is cnnected with many traditins and custms.春节与许多传统和习俗相关联。(2) cnnect[动词]关联；连接不及物动词cnnect t/ with...与……连接；与……联系起来及物动词 cnnect... with/ t/ and...把······与······连接/联系起来
This crridr cnnects with the living rm.这条走廊与客厅相连。The fast Wi-Fi n China's space statin helps astrnauts cnnect with peple n Earth easily.中国空间站上的高速 Wi-Fi帮助航天员与地球上的人们轻松建立联系。
2.But when I was a student, cmputers were nt widely used.但当我是一名学生的时候，电脑还没有被广泛应用。 widely /'waɪdli/ adv. 广泛地；普遍地讲 由“wide（adj.宽的；广泛的）+-ly（副词后缀）”构成。It is widely knwn that he is gd at speaking in public.众所周知，他擅长在公共场合发言。BDS has been widely used as public resurces in ur daily life.北斗卫星导航系统作为公共资源已被广泛应用于我们的日常生活中。拓展widely adv. 广泛地；普遍地 wide adj. 宽的；广泛的 width n.宽度；广度It's a wide river.这是一条宽阔的河流。The bridge is 30 metres in width.这座桥宽30米。
3. When I didn't knw hw t spell a wrd, I had t lk it up in a printed dictinary.当我不知道一个单词怎么拼写的时候，我就得去查印刷版词典。过去式和过去分词形式均为spelt spell/spel/ v. 拼写；拼成常用于“Hw d yu ”句型，用于询问如何拼写某个单词或某人的名字。Hw d yu spell“ntebk”? 你怎么拼写“ntebk”?B-O-O-K spells‘bk’. B-O-O-K 拼成bk (书)。拓展 spelling[名词]拼写；拼法Use apps r nline tls t practice spelling and grammar.使用应用程序或在线工具来练习拼写和语法。
lk up （在词典、参考书中或通过电脑）查阅；抬头看(1)此处意为“查阅”，可接名词或代词作宾语。宾语如果为人称代词，要放在lk和up之间；如果是名词，放在lk和up之间或up之后均可。He lked up a number in his phne. = He lked a number up in his phne.他在手机里查了一个号码。Can yu lk it up n the website? 你能在网站上查一下它吗？只能放在lk与up之间(2)意为“抬头看”，常和frm连用。She lked up frm her bk as I entered the rm. 我进房间时，她从书本上抬起头来看了看。lk frward t盼望 lk ut小心
lk的常见短语还有：lk after照顾 lk fr寻找lk arund环顾 lk like看起来像lk thrugh快速查看；浏览 lk ver 查看；检查
print/prɪnt/ v. 印刷；打印；发表printing n.印刷printer n.打印机；印刷工人I need t make a few changes befre I print the dcument.打印文件之前我要做些修改。The fifteenth century saw big prgress in printing technlgy in the West.十五世纪，西方的印刷工艺有了很大的进步。Our cmpany has just bught a clur printer.我们公司刚买了一台彩色打印机。
4.But nw with the internet we can simply search fr everything nline.但现在有了互联网，我们只要在网上搜索就能找到所有信息。 simply /'sɪmpli/ adv. 简单地；仅仅The bk explains grammar simply and clearly.这本书对语法解释得简明扼要。simple[形容词]简单的；容易的The machine is very simple t use.这台机器操作非常简单。
5 .The internet and the cmputer are amazing inventins with many applicatins.互联网和电脑是了不起的发明，有着诸多应用程序。 applicatin /ˌæplɪˈkeɪʃn/ n. (= app)应用程序；应用；申请；请求We have received applicatins frm mre than 3,000 students.我们已经收到超过3 000名学生的申请。拓展apply作动词，常见含义及用法如下：①应用 These ideas are ften difficult t apply inpractice.这些想法往往很难付诸实践。②申请，请求 apply fr申请：She applied fr a jb with the lcalnewspaper.她申请了当地报社的一份工作。③涂，敷Apply sunscreen with SPF 30 r higher 20–30 minutes befre ging utside. 在出门前20到30分钟，涂抹防晒系数30或更高的防晒霜。
was written
was attracted
一般过去时的被动语态——构成：was/ were+过去分词（以动词 d 为例）
一、单项选择1．The windws ________ by Tm yesterday.A．is brken B．brke C．were brken D．breaks2．A sprts meeting ________ in ur schl last mnth.A．hlds B．held C．is held D．was held
句意：昨天，这些窗户被汤姆打破了。根据“yesterday”可知，使用一般过去时；主语“The windws”和“break”之间是被动关系，所以使用被动语态。句子用一般过去时的被动语态，应填were brken。
句意：上个月，我们学校举行了一场运动会。hlds举行，动词的第三人称单数；held举行/被举行，过去式/过去分词；is held被举行，一般现在时的被动；was held被举行，一般过去时的被动。根据“last mnth”可知，使用一般过去时；主语“A sprts meeting”和“hld”之间是被动关系，所以使用被动语态；二者结合，应填was held。
3．—Why ________ yu ________ t the class meeting yesterday?—Because I was ill and had t rest at hme.A．didn’t; inviteB．weren’t; invitedC．didn’t; invitedD．wasn’t; invited4．The ld huse ________ in 1990.A．was built B．is built C．will be built D．builds
句意：——昨天的班会为什么没有邀请你参加呢？  ——因为我生病了，所以不得不待在家里休息。根据“yesterday”可知，使用一般过去时；再根据答语“因为我生病了，所以不得不待在家里休息”可知，问句询问的是为什么“没被邀请”，所以使用被动语态，主语yu为非三单形式，所以使用复数were；二者结合，应填weren’t; invited。
句意：这所老房子建于1990年‌。was built被建(build的一般过去时的被动语态)；is built被建(build的一般现在时的被动语态)；will be built将被建(build的一般将来时的被动语态)；builds建造(build的一般现在时的第三人称单数)。根据此句的主语“The ld huse”是动作的承受者，是被建造的，再根据此句的时间“in 1990”，过去的时间，因此此处需用“build”的一般过去时的被动语态“was built”。应填was built。
5．The sprts meeting ________ because f the heavy rain, but the students ________ a wnderful indr activity instead.A．was nt held; were given B．didn’t hld; gave C．was nt held; gave D．didn’t hld; was given6．Many trees ________ n the hill last spring.A．planted B．were planted C．are planted D．plant
句意：因为大雨，运动会没有举行，不过学生们反而被提供了一次精彩的室内活动。主语“The sprts meeting”和“hld”之间是被动关系，应使用被动语态；第二个空所在的句子中，学生们是活动的接收者，而不是“给予”这个动作的发出者，使用被动语态，主语the students是复数，所以使用were。应填was nt held; were given。
句意：去年春天，山上种了很多树。planted栽种/被栽种，过去式/过去分词；were planted被栽种，一般过去时的被动；are planted被栽种，一般现在时的被动；plant栽种，动词原形。根据“last spring”可知，使用一般过去时；主语“Many trees”和“plant”之间是被动关系，所以使用被动语态；二者结合，应填were planted。
widely adv. 广泛地；普遍地tl n. 工具；方法spell v. 拼写；拼成print v. 印刷；打印；发表dictinary n. 词典；字典simply adv. 简单地；仅仅AI abbr.（=artificial intelligence）人工智能definitin n. 释义；解释applicatin n.（=app）应用程序；应用；申请；请求
be cnnected t 与相连lk up （在词典、参考书中或通过电脑）查阅；抬头看print/prɪnt/ v. 印刷；打印；发表printing n.印刷printer n.打印机；印刷工人simply /'sɪmpli/ adv. 简单地；仅仅simple[形容词]简单的；容易的一般过去时的被动语态——构成：was/ were+过去分词