高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature教学设计

这是一份高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature教学设计，共7页。教案主要包含了温馨提示，学以致用等内容，欢迎下载使用。

Starting Out&Understanding Ideas教学设计
教学目标：
By the end f this perid, students will be able t：
1.Understand key infrmatin by watching the vide,learn and master the useful expressins;
2.Strengthen reading ability by skimming,scanning and summarising t slve cmprehensive prblems related t the passage;
3.Analyse the textual structure and linguistic features f the text,and then use the relevant language t express yurself.
教学重难点：
Analyse the textual structure and linguistic feature f the text, and then use the relevant language t express themselves.
Think and share the scientific spirit and innvative spirit f scientists and learn frm them in life and studies.
教学方法：
W-P教学法，Task-based teaching methd
教学资源：
教材、多媒体课件、学案、黑板和粉笔。
教学设计：
Step Ⅰ Lead-in
Lk at the pictures
Lk at the page frm a science magazine and answer the questins.
Questins:
1.What d yu knw abut these animals?What makes them special?
2.What ther similar animals d yu knw abut?Share yur knwledge with the class.
背景补充:
The Kmd dragn
The Kmd dragn is the largest lizard in the wrld.It can grw t three metres in length and can weigh abut 135 kilgrams.Despite its size and weight,it can run fr shrt distances at up t 20 kilmetres per hur.
The Duck-billed platypus
The duck-billed platypus is a small egg-laying mammal (up t 60 cm in length) fund nly in Eastern Australia including Tasmania.As its name suggests,it has a muth that lks like a duck’s bill,while its thick fur and flat tail are similar t thse f a beaver.
Nautilus
As ne f the ldest sea animals in the wrld,the nautilus has hardly changed in abut 500 millin years,and that is why it is ften given the name “living fssil”.
Suggested answers:Students’ wn answers.
Step Ⅱ While -reading
Activity 1 Read fr tpic
Chse the main idea f the passage and give yur reasns.
1.Darwin’s interest in varius living things made him a great naturalist.
2.Darwin’s jurney n the Beagle inspired his Thery f Evlutin.
3.Darwin went n a jurney t cnfirm his thery that humans had evlved ver time.
Suggested answers:2
Activity 2 Read fr detailed infrmatin
Organise infrmatin frm the passage and cmplete the table.
Suggested answers:
On his jurney:varius living things in their natural envirnments and samples f the plants and animals he had cllected;sme species f animals were very similar t each ther
Generate ideas:1.Hw did different species cme t exist?2.Maybe animals evlved as they adapted t their changing envirnments?
Lk fr mre evidence:that there was a difference between the finches n each f the islands;had evlved accrding t what fd was available n that particular island
Develp ideas:the finches had evlved frm a cmmn ancestr,which had arrived n the islands a lng time befre;slwly evlved int many new species
Prpse a thery:had evlved frm lwer frms f life
Activity 3 Language pints and translatin
1.It was a yung man wh had left medical schl withut cmpleting his degree.
【翻译】 _____________________________________
【讲解】该句子为It 结构的强调句,强调主语a yung man。
强调句的基本结构:
陈述句:_____________________________________
一般疑问句:________________________________________
特殊疑问句:__________________________________________
强调“”结构中由until引导的短语或从句时,结构为:________________________
【温馨提示】强调句中的it不能更换,be动词与其余部分的时态一致,数的形式不受强调部分单复数的影响;被强调部分可以是除谓语动词以外的任何成分,被强调部分是人可用that/wh指代,其他一律用that指代;被强调部分若是原句的主语,wh/that之后的谓语动词的人称和数与该主语一致。
【学以致用】
(1)我刚读完的是这本小说。
(2)三个星期之后他才听到这个消息。
2.But Darwin’s scientific studies were s cnvincing that mre and mre peple started t believe his thery.
【翻译】 ________________________________________
【讲解】句中的表示“如此……以至于……”,that引导结果状语从句。
【学以致用】
(1)他气得一句话也说不出来。
(2)他太小了,不能照顾自己。
(3)他学习如此努力,得了一等奖。
Suggested answers:
1.这个年轻人从医学院肄业。
It is/was+被强调部分+that/wh+其他部分.
Is/Was it+被强调部分+that/wh+其他部分?
被强调部分(通常是疑问代词或疑问副词)+is/was it+that+其他部分?
It is/was nt until+被强调部分+that+其他部分.
(1)It is this nvel that I just finished.
(2)It was three weeks later that he heard the news.
2.但是达尔文的科学研究是如此令人信服,以至于越来越多的人开始相信他的理论。
(1)He was s angry that he culdn’t say a wrd.
(2)He is s yung that she can’t lk after herself.
(3)He wrks s hard that he gt first prize.
Step Ⅲ Pst-reading
Think and share
G thrugh the questins and think abut them individually,then discuss the questins in grups.
Questins:
1.Why were many peple “shcked” by Darwin’s thery?
2.What kind f persn was Darwin accrding t the passage?
3.Hw d yu think the human species will evlve in the future?
4.What have yu learnt abut the spirit f scientific explratin?Hw can this spirit help yu in yur life and studies?
Suggested answers:
1.At that time,peple believed that all species had appeared n Earth at the same time and had nt changed since,but Darwin’s thery prpsed that living things,including humans,had evlved frm lwer frms f life,which,as a result,shcked many peple.
2.Darwin was a determined man.He had strng curisity and interest in science and was gd at thinking and making discveries.
3.Students’ wn answers.
4.Students’ wn answers.
Step Ⅳ Hmewrk
课文语法填空,在空白处填入1个适当的单词或括号内单词的正确形式。
The captain f the ship named the Beagle wanted smene t prfit by 1._________(visit) distant cuntries.Luckily,Darwin gt the pprtunity,2.__________he was nt the captain’s first chice.Darwin was a gelgist and naturalist,3. (fascinate) by rcks,plants and animals.The jurney gave him the chance 4. (study) varius living things in their natural envirnments.After Darwin 5. (spend) sme time in Suth America,his rm was crwded with samples f the plants and animals he had cllected.He began t cnsider the questin 6. different species came t exist.He nticed that sme species f animals were very similar 7. each ther.Maybe animals evlved as they adapted t their 8. (change) envirnments?Darwin decided t find ut the truth.In 1835,Darwin saw a variety f new species,but it was the birds that interested him the mst.After much research,he came t the 9.(cnclude) that new species evlved frm earlier ancestrs.Darwin explained this thery in his bk,On the Origin f Species,which 10._____________(regard) as ne f the mst imprtant wrks ever written.It has changed ideas abut life n Earth frever,and it all began with the jurney n the Beagle.
Suggested answers:
1.visiting 2.althugh/thugh 3.fascinated 4.t study 5.had spent 6.hw 7.t 8.changing 9.cnclusin 10.is regarded
评价量规
教学反思:
本节课介绍了著名的生物学家达尔文的发现之旅，基于此次旅行，他发表了后期改变世界的著名的《物种起源》一书。导入活动帮助学生激活关于生物进化的相关知识及储备相应的词汇，为课文介绍达尔文及其重要发现进行学习铺垫。读中活动引导学生更深入地解读文章标题，理解文章内容。读后活动包括判断主旨大意、理解文章结构和细节、开放性问答等活动，引导学生进一步理解、赏析文本，感受达尔文探索科学、追求真理之路的精神。
UNUSUAL ANIMALS TODAY
Kmd dragn:
Kmd dragns were first encuntered by Western researchers in 1910.
The researchers said the ancestr f the Kmd dragn mst likely evlved in Australia and spread westward,reaching the Indnesian island f Flres 900,000 years ag.
Duck-billed platypus:
The first scientists t examine a preserved platypus bdy judged it a fake in the late 18th century.
The ldest discvered fssil f the mdern platypus dates back t abut 100,000 years ag.
Nautilus:
Fssil recrds indicate that the nautilus has survived relatively unchanged fr arund 500 millin years.It is ften cnsidered a “living fssil”.
The jurney f discvery
On his
jurney
Darwin studied ________________________.
He nticed that _______________________.
Generate ideas
He raised the questins:
__________________________________
Lk fr mre evidence
On the Gal’pags Islands:
He nticed .
The beaks seemed t .
Develp ideas
He suspected that and it had .
Prpse a thery
The Thery f Evlutin:living things,including humans, .
学习目标
目标达成评价等级
A
B
C
D
Understand key infrmatin by watching the vide,learn and master the useful expressins.
Strengthen reading ability by skimming,scanning and summarising t slve cmprehensive prblems related t the passage.
Analyse the textual structure and linguistic features f the text,and then use the relevant language t express yurself.