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4页。

Develping Ideas教学设计
教学目标：
By the end f this perid,students will be able t:
1.Understand the text,master the key vcabulary related t the tpic and describe the cmmunicatin mdes between natural plants;
2.Analyse an event in different ways and find ut the psitive and negative effects f it;
3.Use the wrds and expressins t help yu shw yur pinins.
教学重难点：
Organise infrmatin frm the text.
Present cllected infrmatin, and retell the passage with the help f the mind map.
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 and tick what plants can d.
Suggested answers:Students’ wn answers.
Step Ⅱ While -reading
Activity 1 Skim fr infrmatin
Read the passage and answer the questins.
1.What’s the genre f the passage?
A.Expsitin.
B.Argumentatin.
C.Narratin.
2.Read the passage and find ut the ways in which plants cmmunicate.
Suggested answers:
1.A
2.They may cmmunicate with each ther by using chemicals,sund and “wd wide web”.
Activity 2 Read fr detailed infrmatin
Organise infrmatin frm the passage and cmplete the diagram.
Suggested answers:
1.cmmunicate with each ther 2.frm the leaves 3.release its wn,different chemicals 4.with their rts 5.tell if a neighburing plant is helpful,r unfriendly
6.clicking nises when there is nt enugh water,indicating drught is arriving 7.the rts f different plants t each ther 8.share infrmatin and even fd 9.steal fd frm each ther,r spread pisns
Step Ⅲ Pst-reading
Think and share
G thrugh the fur questins and think abut them individually,then discuss the questins in grups.
Questins:
1.What figure f speech is being used when the plants are described as calling fr help? What is its functin?
2.What des “wd wide web” mean?
3.What d yu think are the benefits f studying plant cmmunicatin?
4.What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
Suggested answers:
1.Persnificatin.
It can make descriptins mre vivid.
2.“Wd wide web” means an amazing system f cmmunicatin that can link nearly every plant in a frest.It is linked undergrund by fungi and this fungal netwrk links the rts f different plants t each ther.Using the wd wide web,plants can share infrmatin and even fd with each ther.
3.Students’ wn answers.
4.Passage 1 reveals the discvery f evlutin and Passage 2 reveals the discvery f cmmunicatin between plants.They all reflect that there are numerus secrets in nature that remain t be explred.
Step Ⅳ Hmewrk
翻译句子。
1.Many cultures have stries f talking trees that give advice as well as warnings t peple.
2.With us lng believing that talking plants are fantasy,new research has revealed smething amazing:it appears that plants can cmmunicate after all.
3.Scientists hpe t learn mre abut this plant warning system,s that we can use it t grw crps withut pesticides.
4.Sme trees make clicking nises when there is nt enugh water,indicating drught is arriving.
Suggested answers:
1.在许多种文化中流传下来的故事里,会说话的树给予人们忠告和警示。
2.我们一直认为会说话的植物只存在于幻想之中,但新研究有了令人惊奇的发现:植物间似乎确实可以交流。
3.科学家希望能进一步了解这种植物警报系统,从而将其应用于种植不用使用农药的农作物。
4.还有些树木在缺水时会发出咔嗒声,以示干旱就要来了。
评价量规
教学反思:
本节课以植物界语言的奥秘为题，具体介绍了自然界中不同植物之间不同的交流方式，从而使学生了解神奇的大自然，不仅增长了自然知识，而且还激发了他们对自然的好奇心。使学生加深对自然界的理解和认识，进一步走进自然、探索自然、了解自然、欣赏自然，学会与自然和谐相处。
学习目标
目标达成评价等级
A
B
C
D
Understand the text,master the key vcabulary related t the tpic and describe the cmmunicatin mdes between natural plants.
Analyse an event in different ways and find ut the psitive and negative effects f it.
Use the wrds and expressins t help yu shw yur pinins.