译林版(2020)必修第三册Unit 4 Scientists who changed the world. Welcome to the unit 课件(共23张PPT)

(共23张PPT)
牛津译林版高中英语必修三课件
Unit 4 Scientists who changed the world
　Welcome to the unit　Page 43
The scientist is motivated primarily by curiosity and a desire for truth.
—Irving Langmuir/ v l mj (r)/
　　科学家的驱动力主要是好奇心和对真理的渴望。
——欧文 · 朗缪尔（美国化学家、物理学家）
mo·tiv·ate / m t ve t/ 推动…甘愿苦干；激励；激发；成为…的动机；是…的原因；（就所说的话）给出理由；说明…的原因
pri·mar·ily /pra mer li/ mainly，chiefly主要地；根本地
curi·os·ity/ kj ri s ti/ 好奇心；求知欲
truth /tru θ/ 真理；真相；实情；事实；真实情况
单元教学内容
　　一、语言知识:
　（一）语音知识：在听录音或观看视频时，根据重音、语调、节奏的变化感知说话者的意图和态度。
　（二）词汇知识：
　　1. 单词和短语：（略）
　　2. 词汇拓展
　　形容词加后缀 -dom、-ness 构成抽象名词，动词加后缀 -al、-ance、-ure 构成抽象名词，形容词、动词、名词加后缀 -age 构成抽象名词。
　（三）语法知识
　　探究归纳动词 -ed 形式做定语、状语和宾语补足语的核心规则，并在语境中正确使用。
　（四） 语篇知识
　　1. 学习并掌握新闻报道和演讲的语篇结构、标题特征、语言特点。
　　2. 熟悉人物生平简介的格式和文本特征。
　（五）语用知识
　　1. 能针对“科学家、科学发现和科学精神”的话题得体地进行口头表述和书面表达。
　　2. 准确把握“下定义”这一写作技巧，并能在真实语境中正确运用。
　　二、文化知识
　　1. 认识科学技术的两面性。
　　2. 感受中外科学家的优秀品质。
　　三、语言技能
· （一）听
　　1. 借助课文录音，有选择、有重点地记录关键信息。
　　2. 根据说话者的重音、语气和语调理解语义。
　　（二）说
　　1. 能就单元话题“科学家、科学发现和科学精神”与同伴交流讨论。
　　2. 能向同伴简要介绍自己喜欢的科学家。
· （三）读
　　1. 能抓住新闻语篇中的主要内容和关键细节。
　　2. 能把握人物介绍类语篇的结构及语言特征。
· （四）看
　　在观看介绍科学家生平视频的过程中，能提取关键信息点。
· （五）写
　　1. 能借助所给提示，采用得体语言完成校园科学节方案的设计任务。
　　2. 能合理布局，条理清晰地完成有关科学家介绍的事实档案。
　　四、学习策略
· （一）元认知策略
　　1. 对所学内容进行归纳整理。
　　2. 通过图书馆、互联网等渠道获取更多与“科学家、科学发现和科学精神”相关的信息，扩充学习资源。
　（二）认知策略
　　1. 在语境中学习词汇和语法。
　　2. 结合语篇类型和语言特征解读文本，加深对语篇主旨要义和细节信息的理解。 ·
　（三）交际策略
　　在就“科学家、科学发现和科学精神”这一话题进行交流讨论时，能通过解释、澄清或重复等方式克服交际中的语言障碍，保持交际的有效性。
· （四）情感策略
　　增强英语学习的信心，保持对英语学习的兴趣，积极参与语言实践活动。
单元目标
1. 感知并学习中外优秀科学家的品格和精神。
2. 掌握动词 -ed 形式做定语、状语和宾语补足语的核心规则，并在语境中正确使用。
3. 完成一份校园科学节的设计方案。
4. 认真思考、深入理解科学的价值所在。
5. 完成一份事实档案，简要介绍一位科学家的生平。
　　In this unit, we are going to:
1)read a news report on a Chinese Nobel Prize winner;
2)write a plan for the school Science Festival;
3)read a lecture transcript about the value of science;
4)make a fact file about a scientist.
the Nobel Prize/n bel/ 诺贝尔奖
plan (for sth)/(to do sth)（详细）规划，方案；精心安排
tran·script / tr nskr pt/ 文本
Welcome to the unit
　By the end of this section, we will be able to:
1. note down the key information about the two scientists according to the timeline;
2. describe the similarities and differences between the two scientists;
3. share with partners additional information about the two scientists and other great scientists.
note down记录；记下
simi·lar·ity / s m l r ti/ 相像处；相似点；类似的地方
add·ition·al / d nl/ 附加的；额外的；外加的,extra
Many scientists have changed our lives and made a difference to the world. Watch the video and finish the following exercises.
hybrid rice/ ha br d ra s/
杂交水稻
hybrid/ ha br d/ adj./n.
混合动力汽车;杂种动物；杂交植物；杂种;（不同事物的）混合物，合成物;杂交的;混合的
Yuan Longping
In 1953, he ______________ South-west Agricultural College.
In the 1970s, he _____________________ the first hybrid rice varieties.
Stephen Hawking / sti vn h k /斯蒂芬·霍金（英国物理学家）
He ________________________ the field of general relativity.
In 1988, A Brief History of Time was published and stayed on a bestseller list for __________. 畅销书排行榜
South-west Agricultural College西南农学院 / gr k lt r l/农业的
suc·ceed/s k si d/ 达到目的；实现目标；办到；做成
var·iety/v ra ti/ （植物、语言等的）变种，变体；异体；品种
general relativity / rel t v ti/ 广义相对论
graduated from
succeeded in developing
made great contributions to
237 weeks
Video script
Narrator: Scientists have made a great difference to the world in many fields.Yuan Longping was born in 1930 and died in 2021. He was a Chinese agricultural scientist and educator, known as the “Father of Hybrid Rice”. He was born in 1930. He graduated from Southwest Agricultural College in 1953 and began his teaching career at an agricultural school.
nar·ra·tor /n re t (r)/（电视节目中的）幕后解说员；旁白员
field /fi ld/ 专业；学科；界；领域,=area
agricultural/ gr k lt r l/农业的
edu·ca·tor/ ed uke t (r)/教育工作者；教师
In the 1960s,Yuan devoted himself to the research and development of a better rice breed.In the 1970s, Yuan succeeded in developing the first hybrid rice varieties.
This hybrid rice species could produce about 20% more rice per unit than common rice species. In 1979, the technique for hybrid rice was introduced into the United States.
breed /bri d/ 品种（尤指人工培育的狗、猫或牲畜）;（人的）类型，种类, variety
unit / ju n t/ 单独的事物（或人、群体）；单位；单元
introduce sth (to/into sth) 引进（动物或植物）；传入（疾病）
Hybrid rice has been grown in dozens of countries across Africa, Asia and Latin America. Yuan’s efforts to end the hunger problem have earned him many awards such as the Wolf Prize in Agriculture and the World Food Prize, both in 2004. In 2019, he was awarded the Medal of the People’s Republic of China, one of China’s highest honours.
Latin / l t n/
efforts (to do sth) 艰难的尝试；试图；尽力
end (sth) (with sth) /end/ 结束；终止
the Wolf Prize沃尔夫奖 medal / medl/ 奖章；勋章
Stephen Hawking was born in 1942 and died in 2018. He was an English physicist and author who worked at the University of Cambridge. Despite his serious illness, he made major contributions to the field of general relativity.One of his scientific achievements was his theoretical prediction that black holes give out radiation, which has since been named “Hawking Radiation” after him. physi·cist / f z s st/ 物理学家；物理学研究者　Cambridge/ ke mbr d /剑桥　
the·or·etic·al / θ ret kl/ 理论上(存在)的
pre·dic·tion /pr d k n/ 预言；预测；预告
ra·di·ation / re di e n/ 辐射；放射线
Hawking’s popular science books have also achieved wide success,in which he discusses his theories in general. A Brief History of Time was published in 1988 and stayed on the British Sunday Times bestseller list for a record-
breaking 237 weeks.
popular science科学普及
dis·cuss /d sk s/ 详述；论述;讨论；谈论；商量
the·ory / θ ri/ 学说；论；说;理论；原理；原则;（未证明的）意见；看法；推测
Sunday Times《星期日泰晤士报》
record-breaking破纪录的
Hawking’s contributions to physics earned him many exceptional honours. In 2002, he was ranked number 25 in the BBC’s poll of the 100 Greatest Britons.
ex·cep·tion·al / k sep nl/ 杰出的；优秀的；卓越的,
=outstanding; 异常的；特别的；罕见的
rank /r k/ 给…排名; 名列
poll /p l/ 民意测验；民意调查;选举投票；计票
Briton / br tn/ 英国人
1. What else do you know about the two scientists in the video
Yuan Longping had an asteroid named after him. In 1999, the asteroid project team who discovered it decided to honour this great man for his achievement in developing hybrid rice. The asteroid is called “Yuan Longping star”.
as·ter·oid / st r d/ 小行星
hon·our / n (r)/ 尊敬，尊重（某人）;给予表扬（或奖励、头衔、称号）
Stephen Hawking fulfilled his lifelong dream of experiencing zero gravity, even though he was wheelchair-bound. His dream came true when he flew in a special zero gravity airplane in 2007.
ful·fil /f l f l/ 实现;履行；执行；符合；具备;起…作用；目的是;使高兴；使满意
life·long / la fl / 终身的；毕生的
zero gravity ( abbr. zero G) / z r ɡr v ti/
（太空等的）零重力状态，失重状态
wheelchair-bound坐轮椅的
-bound/-ba nd/与名词一起构成形容词
1. 表示“离不开…的”
desk-bound从事(办公桌上的)桌面工作
2.表示“受…天气影响的”
fog-bound因浓雾而受阻的
3.表示“受…影响大的”
tradition-bound 受传统束缚的；囿于传统的
2. What other great scientists do you know of
Marie Curie developed the theory of radioactivity and discovered two elements, polonium and radium. John Nash made great contributions to game theory,which is widely used in economics.
Marie Curie/m ri kj ri/玛丽·居里，居里夫人
radioactivity/ re di k t v ti/放射性，放射现象；放射物（或其辐射）
elem·ent / el m nt/ 元素（如金、氧、碳）
po·lo·nium /p l ni m/ 钋（放射性化学元素）
ra·dium / re di m/ 镭 game theory博弈论；对策论
eco·nom·ics / i k n m ks/ 经济学