初中英语冀教版（2024）八年级下册（2024）Unit 5 Great inventionsLesson 4 Thank you Mr Pasteur!备课ppt课件

这是一份初中英语冀教版（2024）八年级下册（2024）Unit 5 Great inventionsLesson 4 Thank you Mr Pasteur!备课ppt课件，共32页。PPT课件主要包含了Contents ，学习目标， Lead in，New words，New Lesson， Exercise，Summary，Homework等内容，欢迎下载使用。
1. Lead in
2. New wrds
3. New lessn
6. Summary
4. Language pints
5. Exercise
7. Hmewrk
能够读懂对话，理解“pasteurized”的含义与目的，回答关于概念解释、原因、人物贡献等问题；
能够在语境中理解并正确使用与“发明-过程-结果”相关的表达与词汇，并能用目标句型（it was invented was invented has made a great difference ur lives)简要说明发明信息；
能够围绕“发明如何改变生活”进行口头讨论，并在支架帮助下写一段介绍性短文，做到观点明确、信息完整、表达有条理。
通过本节课学习，学生能够：
Read the passage and answer the questins.
A D yu drink milk every day？ Why？B D yu knw hw the milk we drink is prcessed？
Yes， I d.Because it’s gd fr my health .
Yes ,I d./N ,I dn’t.
pasteurize/'pɑːstʃəraɪz/v.用巴氏杀菌法消毒prcess/'prəʊses/n.过程；流程 v.处理；加工 heat/hiːt/v.加热；（使）变暖 n.热；温度 raw /rɔ:/ adj. 未经加工的；生的 bacteria /bæk'tɪəriə/ n. 细菌 germ /dʒɜːm/ n. 病菌；细菌；微生物
micrbilgist /ˌmaɪkrəʊbaɪ'ɒlədʒɪst/ n. 微生物学家 tast /təʊst/ n. 干杯；敬酒；烤面包片 v. 为……干杯；烤 dairy /'deəri/ n. 牛奶场；乳品店；乳制品 adj. 牛奶的；乳品业的 scientist /'saɪəntɪst/ n. 科学家
Well, if smething is pasteurized, it means that it has gne thrugh a prcess f heating t a certain temperature.嗯，如果某样东西经过巴氏消毒，就意味着它经历了一个把它加热到一定温度的过程。pasteurize v.用巴氏杀菌法消毒prcess n.过程；流程 v.处理；加工heat v.加热；（使）变暖 n.热；温度
Raw milk has dangerus bacteria and germs.生牛奶中含有有害的细菌和微生物。raw adj. 未经加工的；生的 bacteria n. 细菌 germ n. 病菌；细菌；微生物
It was Luis Pasteur, a French micrbilgist. He invented the prcess arund 1864.是路易斯巴斯德，一位法国微生物学家。他在1864年前后发明了这一工艺。micrbilgist n. 微生物学家
Well, here's a tast t yu, Mr Pasteur.好，那我敬你一杯，巴斯德先生。 tast n. 干杯；敬酒；烤面包片 v. 为……干杯；烤
While puring a glass f milk, Jeremy ntices smething written n the package.Jeremy: Hey, Mum! I just nticed a big wrd n the cartn. PASTEURIZED. What des it mean?Mum: Well, if smething is pasteurized, it means that it has gne thrugh a prcess f heating t a certain temperature.Jeremy: Why d we heat milk?Mum: Raw milk has dangerus bacteria and germs. We must heat milk t 72 degrees Celsius fr 15 secnds t kill them.Jeremy: Hw did peple discver that?Mum: Many years ag, peple smetimes gt sick when they drank milk. Sme f them even died because f the bad bacteria.Jeremy: Ww! Wh created this heating prcess? A dairy farmer r a scientist?Mum: It was Luis Pasteur, a French micrbilgist. He invented the prcess arund 1864.Jeremy: That's a lng time ag!Mum:(She nds and adds.) Mr Pasteur was ne f the greatest scientists. His wrk saved millins f lives arund the wrld. He was famus fr his wrk n germs.Jeremy:(He raises his glass f milk in the air.) Well, here's a tast t yu, Mr Pasteur. Thank yu fr making the wrld much safer.
A Accrding t the passage,what des the wrd"PASTEURIZED"mean?B Hw did peple knw their milk needed t be heated?C Hw did Luis Pasteur's wrk make the wrld safer?
If smething is pasteurized, it means that it has gne thrugh a prcess f heating t a certain temperature.
Many years ag, peple smetimes gt sick when they drank milk. Sme f them even died because f the bad bacteria.
By heating milk t 72 degrees Celsius fr 15 secnds t kill bacteria and germs.
Language pints
Language pints
1. While puring a glass f milk, Jeremy ntices smething written n the package.杰里米在倒一杯牛奶时，注意到包装上写着一些东西。pur/pɔ:(r)/v.倒；下大雨(1)此处指“倒，斟(饮料)”。I've pured a cup f tea fr yu.我给你倒了一杯茶。(2)[不及物动词](雨)倾盆而下；下大雨与pur dwn同义。It's puring utside.外面下着瓢泼大雨。谚语 It never rains but it purs.不雨则已，一雨倾盆。/祸不单行。拓展[动词]倾倒，倒出pur... int...把...倒入 ver...把...倒在...上面Pur the il int a frying pan and heat.把油倒入煎锅内加热。Pur the sauce ver the pasta.把酱汁浇在意大利面食上。
2. Well, if smething is pasteurized, it means that it has gne thrugh a prcess f heating t a certain temperature.嗯，如果某种东西经过了巴氏杀菌，意思是它经过了一道加热到特定温度的工序。g thrugh 经历Peple with SAD(seasnal affective disrder) usually g thrugh bad experiences such as lw energy and sadness.患有SAD(季节性情感障碍)的人通常会经历一些不愉快的状况，比如精力不足和情绪低落。They went thrugh many hardships during the war.他们在战争期间历经千辛万苦。拓展仔细察看；检查I carefully pened the ckbk and went thrugh it.我小心地打开食谱，仔细地看了一遍。
prcess /'prəʊses/ n. 过程；流程 v. 处理；加工(1)[名词]过程；流程in the prcess f (ding) sth.在（做）某事的过程中Her nvel is in the prcess f being turned int a televisin series.她的小说正被拍成电视剧。(2)[动词]加工；处理Mst f the fd we buy is prcessed in sme way.我们买的大部分食品都用某种方法加工过。Supercmputers can cllect and prcess wrldwide data very fast.超级计算机可以非常快速地收集和处理全球的数据。
heat /hiːt/ v. 加热；（使）变暖 n. 热；温度(1)[动词]加热；（使）变暖heat up （使）变热；（使）变暖I heated up the remains f last night's supper.我把昨晚的剩饭热了一下。The ffice will sn heat up.办公室很快就会热起来。(2)[不可数名词]热I can feel the heat f the sun n my back.我能感受到太阳照射在背上的热度。(3)[名词]温度Drp tangyuan int the biling water, and ck n medium heat fr 1 minute.将汤圆放入沸水中，用中火煮1分钟。拓展 heat[名词]炉灶，炉火；暖气设备Turn the heat dwn r it' ll burn.把火调小，否则会烧焦。
3. Many years ag, peple smetimes gt sick when they drank milk.许多年前，人们有时会因为喝牛奶而生病。 get sick生病该短语中 get为系动词，后面跟形容词 sick作表语，表示动作，不能与表示一段时间的状语连用。而 be sick表示生病的状态，可与表示一段时间的状语连用。The little by gt sick last Friday and s far he has been sick fr five days.这个小男孩上周五生病了，到目前为止他已经病五天了。4. Well, here's a tast t yu, Mr Pasteur.好吧，敬你一杯，巴斯德先生。 [名词]干杯；敬酒 a tast t sb.敬某人，和某人干杯I'd like t prpse a tast t the bride and grm.我提议为新娘新郎干杯。
招展(1) tast[名词]烤面包片，吐司 I had a piece f tast fr breakfast.我早饭吃了一片吐司。(2) tast[动词]向······敬酒，为······干杯；烘，烤They tasted the birth f their new baby with a big meal.他们用一顿大餐来为新生儿的降生举杯庆祝。I tasted the cheese sandwiches.我烤了干酪三明治。
Read the passage again and cmplete the paragraph with the crrect frms f the wrds.invent get slve heat killPasteurizatin is a prcess that keeps milk safe frm harmful bacteria by heating it.In the past, peple smetimes ______ sick r even died after drinking milk. T_______ this prblem, Pasteur _______ the prcess f pasteurizatin arund 1864. He _____ the milk t 72 degrees Celsius and kept it at that temperature fr 15 secnds. Harmful bacteria and germs in the milk __________, and the milk became safer t drink.
were killed
Wrk in pairs. Discuss the fllwing questins and take ntes.
I think it’s paper.
Cai Lun invented paper in ancient China.
Paper made writing and recrding infrmatin much easier and cheaper.And it helped spread knwledge.
Write a passage t intrduce an inventin.
Paper is ne f the mst imprtant inventins in human histry. It was invented by Cai Lun in the Eastern Han Dynasty.Befre paper was made, peple recrded infrmatin n bamb slips r silk, which were either heavy r expensive. Cai Lun imprved the paper-making prcess,using materials like bark and rags.(树皮和破布)Paper has made a great difference in ur lives. It speeded up the spread f knwledge thrugh bks, newspapers and magazines.
1．The train ________ (g) thrugh a lng tunnel and arrived at the next statin.2．The ________ (die) f the little dg made the girl cry.3．My brther wants t be a ________ (科学家) when he grws up.
句意：火车穿过一条长长的隧道，抵达了下一站。根据“arrived”可知，时态为一般过去时，g的过去式为went。故填went。
句意：那只小狗的死亡让这个女孩哭了起来。the后接名词，此处作主语，die的名词形式是death“死亡”，不可数名词。故填death。
句意：当我哥哥长大后，他想成为一名科学家。“科学家” 用可数名词scientist，位于“a”后，用单数名词作表语。故填scientist。
4．The teacher explained the ________ (过程) f experiment in class.5．Please ________ (加热) the il and add the nins.6．He is a famus ________ (science)  wh has made great cntributins t the study f insects.
句意：老师在课堂上解释了实验的过程。prcess“过程”，名词，the prcess f experiment“实验过程”。故填prcess。
句意：请加热油并加入洋葱。加热：heat，动词；本句为祈使句，祈使句中动词用原形。故填heat。
句意：他是一位对昆虫研究有很大贡献的著名科学家。根据“He is a famus”可知，应该说他是科学家，scientist“科学家”，a接名词单数。故填scientist。
pasteurize v.用巴氏杀菌法消毒prcess n.过程；流程 v.处理；加工 heat v.加热；（使）变暖 n.热；温度 raw adj. 未经加工的；生的 bacteria n. 细菌 germ n. 病菌；细菌；微生物
micrbilgist n. 微生物学家 tast n. 干杯；敬酒；烤面包片 v. 为……干杯；烤 dairy n. 牛奶场；乳品店；乳制品 adj. 牛奶的；乳品业的 scientist n. 科学家
pur... int...把...倒入 ver...把...倒在...上面g thrugh 经历heat up （使）变热；（使）变暖get sick生病a tast t sb.敬某人，和某人干杯
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