初中英语Unit 4 The Wonders of NatureSection A评课ppt课件

这是一份初中英语Unit 4 The Wonders of NatureSection A评课ppt课件，共42页。
The Wnders f Nature
Lk at the title and the pht.What d yu think this unit will talk abut?
D yu knw the name f the waterfall in the pht?2. What d yu think is special abut it?
The waterfall in the pht is Victria Falls n the Zambezi River.
I think it is a very big and wide waterfall.
3. What ther natural wnders d yu knw?
There are many amazing natural wnders in China, including the magnificent Munt Huangshan, Zhangye Danxia Landfrm (Gansu), and Huanggushu Waterfall (Guizhu), amngst many thers.
What can yu see in the pictures?Which ne is the highest / biggest / lwest / deepest?
Match the places with the pictures.
Learn t read the numbers.
eight hundred and frty-eight
eight thusand eight hundred and frty-eight
eight thusand eight hundred and frty-eight pint eight six
nine hundred
nine thusand
nine millin
nine hundred thusand
high → highest, big → biggest (双写), deep → deepest
e.g. Munt Qmlangma is the highest muntain in the wrld.
gd → best, bad → wrst
T: What can yu see in the picture?S: It’s Angel Falls.T: Hw high is it?S: It’s abut 979 metres high.T: What is special abut it?S: It is the highest waterfall in the wrld.
Listen t the game shw. Cmplete the descriptins f the places.
lwest place
deepest pint
Listen again. Cmplete the measurements in 1b with the numbers belw.
fur hundred and sixteen
eight thusand, eight hundred and frty-eight pint eight six
eleven thusand
Cmprehensin check. 
1. Munt Qmlangma is the highest muntain. 2. It is 8,848.43 metres high. 3. The Sahara Desert is the biggest desert. 4. The Dead Sea is 416 metres abve sea level. 5. The Mariana Trench is abut 11,000 metres deep.
Hst: Welcme t ur game shw! Tday, it’s all abut gegraphy. Answer as quickly as yu can! Questin ne: What is the ________ muntain in the wrld?Fu Xing: It’s Munt Qmlangma!Hst: Crrect! Hw high is it?Liu Hngyu: I knw this — it’s 8,848.43 metres high.Hst: N, srry. Fu Xing?Fu Xing: Is it _________ metres?Hst: Yes! But sme scientists say Qmlangma is still grwing taller! Nw, name the _____________ in the wrld.Fu Xing: The Taklimakan Desert?
Listen again and fill in the blanks.
biggest desert
Hst: Wrng! Ella?Ella: It’s the Sahara Desert.Hst: Right! Nw, hw big is it?Ella: It’s abut __________ square kilmetres.Hst: That’s right! What’s __________ place n earth?Liu Hngyu: It’s the Dead Sea!Hst: Well dne! Its surface is 416 metres belw sea level. Nw where’s the _________ pint in the cean?Fu Xing: It’s in the Mariana Trench.Hst: That’s crrect! Hw deep is it?Fu Xing: It’s abut ________ metres deep.Hst: Crrect!
高度：It’s metres high.面积：It’s abut 9,000,000 square kilmetres in size.低于海平面：It’s 416 metres belw sea level.深度：It’s abut 11,000 metres deep.
highest / tallest
Talk abut the places yu have learnt abut.
Wrk with yur partner and talk abut the fllwing questins.
What is the largest island n earth?What is the lngest river in China?What is the biggest / smallest cuntry in the wrld?What is the deepest trench in the cean?What is the biggest desert in Africa?
What can we find in the deep sea?
What d yu knw abut the deep sea? Cmplete the sentences with the infrmatin frm the picture.
1. Fenduzhe reached _____.2. The deep sea begins at _____.3. The Titanic rests at _____.4. A whale can dive t ____.
A class is asking a deep-sea researcher sme questins after his talk. Listen and tick the tpics they discuss.
where the deep sea beginswhy peple are researching the deep seawhich Chinese submersible dived deeper in the water than many therswhat deep-sea animals are likehw everyne shuld prtect the deep sea
Listen t the cnversatin and fill in the blanks.
Listen again. Cmplete the sentences with the facts frm the cnversatin.
1. Peple still dn’t knw much abut the __________________.2. In ______ , China’s Fenduzhe dived int the deep sea and filmed it.3. Sme animals have unusual abilities. Sme are _______ but can “see”. Sme can even create their wn ________.4. There is rubbish even at __________ metres deep.
cean flr / deep sea
Listen again. Cmplete the fllwing true r false questins.
Mr Jnes said curisity is the nly reasn fr researching the deep sea.Fu Xing didn't see any deep-sea animals when Fenduzhe filmed the Mariana Trench.Mr Jnes thught deep-sea rubbish is nt a big prblem.Ms Ga said peple shuld d smething abut deep-sea rubbish.
Listen again. Cmplete the fllwing sentences.
In 2020, China’s Fenduzhe dived __________ int the Mariana Trench than many ther submersibles in the wrld and filmed it.Sme animals are blind, but they can “see” _________ thers.There’s rubbish even at ________ metres deep in the cean.
Ms Ga: Thank yu fr the wnderful talk, Mr Jnes. Nw, des anyne have any questins?Emma: I d! Why are s many cuntries researching the deep sea?Mr Jnes: Well, curisity is ne reasn. We dn’t knw enugh abut the cean flr.Fu Xing: I remember that in 2020, China’s Fenduzhe dived deeper int the Mariana Trench than many ther submersibles in the wrld and filmed it. But I didn’t see any deep-sea animals. What are they like?
Mr Jnes: Well, many deep-sea animals are large and unusual. Sme animals are blind, but they can “see” as well as thers. Sme even create their wn light!Peter: Cl! Are there any ther surprising facts abut the deep sea?Mr Jnes: Did yu knw that there’s rubbish even at 11,000 metres deep? That shcked many peple.Ms Ga: That’s terrible! We shuld d smething abut it.Mr Jnes: Yu’re right!
Read the questins and think f mre yu wuld like t ask the deep-sea researcher. Research the answers. Then ask and answer the questins with a partner.
What is the largest shark in the deep sea?What is the bttm f the deep sea like?Why is it imprtant t research the deep sea?
上网查找一个“中国之最”（如最高建筑、最长河流），用英文写三句话介绍。
预习3a-3d和生词。
复习形容词最高级和数字的表达法及本课词汇对话。