人教版（2024）八年级下册（2024）Section A集体备课ppt课件

这是一份人教版（2024）八年级下册（2024）Section A集体备课ppt课件，共40页。PPT课件主要包含了Summary等内容，欢迎下载使用。
Learning Objectives
Speaking & ThinkingAsk and answer questins abut the deep sea with a partner.Understand the imprtance f prtecting the deep cean.
Twenty Thusand Leagues Under the Sea
What d yu knw abut the deep sea?
What d yu knw abut the deep sea? Let’s fllw Fenfuzhe t explre.
Pst-listening
1. Fenduzhe reached ______________. 2. The deep sea begins at ______________.3. The Titanic rests at ____________.4. A whale can dive t _________________.
Cmplete the sentences with the infrmatin frm the picture.
Abut________metres deep
The deepest pint in the cean.
Mariana Trench
☐ where the deep sea begins☐ why peple are researching the deep sea☐ which Chinese vessel dived deeper in the water than many thers☐ what deep-sea animals are like☐ hw everyne shuld prtect the deep sea
2b A class is asking a deep-sea researcher sme questins after his talk.Listen and tick the tpics they discuss.
Let’s check the answer
A. T find mre fish fr fd.B. Out f curisity and because we dn't knw enugh abut the cean flr.C. T build underwater cities.
1.Why are many cuntries researching the deep sea?
What is true abut many deep-sea animals?A. They are all small and clrful.B. Sme are blind but can still "see," and sme make their wn light.C. They all live near the surface f the cean.
What surprising fact abut the deep sea des Mr Jnes mentin?A. There are n living things at 11,000 meters deep.B. There is rubbish even at 11,000 meters deep.C. China's Fenduzhe is the nly submersible t reach the deep sea.
Listen t the cnversatinand think abut the questins belw.
Ms Ga: Thank yu fr the wnderful talk, Mr Jnes. Nw, des anyne have any questins?Emma: I d! Why are s many cuntries____________the deep sea?Mr Jnes: Well,_________is ne reasn. We dn't knw enugh abut the _________.Fu Xing: I remember that in 2020, China's _________ __dived deeper int the Mariana Trench than many ther vessels 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________. Sme animals are_______ , but they can "see" as well as thers. Sme even create their wn ______!Peter: Cl! Are there any ther surprising facts abut the deep sea?Mr Jnes: Did yu knw that there's_________even at__________metres deep? That shcked many peple.Ms Ga: That's terrible! We shuld d smething abut it.Mr Jnes: Yu're right!
researching
Listen t the cnversatin again and fill in the blanks
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 “sea”. Sme can even create their wn                     .4. There is rubbish even at                   metres deep.
Ms Ga: Thank yu fr the , Mr Jnes. Nw, des anyne have any questins?Emma: I d! Why are s many cuntries researching the ?Mr Jnes: Well, . We dn't knw enugh abut the .Fu Xing: I remember that in 2020, China's Fenduzhe deeper int the Mariana Trench than many ther in the wrld and it. But I didn't see any deep-sea animals. What are they like?Mr Jnes: Well, many deep-sea animals are large and . Sme animals are blind, but they can "see" thers. Sme even their wn light!Peter: Cl! Are there any ther abut the deep sea?Mr Jnes: Did yu knw that there's even at 11,000 metres deep? That many peple.Ms Ga: That's ! We shuld d smething abut it.Mr Jnes: Yu're right!
wnderful talk
curisity is ne reasn
submersibles
surprising facts
What can yu learn frm this passage?
1. What d Emma, Fu Xing and Peter’s questins tell us abut asking gd questins?
Gd questins cme frm listening carefully and wanting t knw mre. They ften start with Why, What, Hw.
2.Why des Mr Jnes mentin “rubbish at 11,000 metres deep”? What des this tell us abut the deep sea?
The deep sea is nt nly mysterius and amazing – it is als vulnerable. We shuld care abut it even thugh it’s far away.
Why is the deep sea imprtant? What threats des it face?3.What can we d?
bidiversity, climate, unknwn resurces
rubbish, mining, pllutin
reduce plastic, supprt cean prtectin
Summary: What kind f learners are Emma, Fu Xing and Peter?
2d 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.
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?
A: What is the largest shark in the deep sea?B: The largest shark that ever lived was the megaldn. It was abut 20 metres lng. But it is extinct nw.
A: What is the largest shark in the deep sea?B: The largest shark alive tday is the whale shark. But it desn't live in the deep sea. In the deep sea, sharks are usually smaller, like the frilled shark.
A: What is the bttm f the deep sea like?
A: What ther vessels dived t the bttm f the cean?.
A: Why is the deep sea imprtant t us?
B: It's very dark and cld. The bttm is cvered with sft mud. There are muntains, vlcanes, and deep trenches.
B: In 1960, the Trieste went t the bttm f the Mariana Trench. In 2012, James Camern went there alne in the Deepsea Challenger. In 2020, China's Fenduzhe als reached the bttm
B: It helps cntrl the Earth's temperature. It is hme t many animals we haven't discvered yet. And it gives us fd and maybe new medicines.
Think : What ther strange creatures live there?Envirnment: Hw cld is it? Hw much pressure?Explratin: Hw d scientists study the deep sea?Prtectin: What can we d t help?
What can we d t prtect the deep sea?
“T save the earth is t save urselves!”
Language pints
1. The Wnders f Nature 自然奇观 (教材 P31 单元标题)
2. 416 metres belw sea level 低于海平面416米。(教材 P32 1b)
(1)[介词]①(地方或位置)在(或到)……下面
belw prep. & adv.在 (……)下面；低于
The temperature in ur hmetwn usually drps belw zer in winter. 我们家乡的气温在冬天通常会降到零度以下。
Fr further infrmatin n tmrrw’s weather, call the htline belw. 如欲查询明天的天气情况，请拨打以下热线 。
(2)[副词]在(或到)下面
②(数量、水平等)少于；低于
表示在某物的下方，但不一定是在正下方。
As lng as we keep wrking, we will achieve higher levels. 只要我们继续努力，我们会达到更高的水平。The level f salt in his diet was t high. 他饮食中盐的含量过高。
(2)水平；程度 常与介词f连用。
3. Why peple are researching the deep sea人们为什么要研究深海 (教材 P33 2b)
(1)[动词]研究；调查
She spent several mnths researching the subject.她花了几个月的时间研究这个主题。
(2)[不可数名词]研究；调查
d research (n/int sth.) 进行(关于某方面的)研究/调查
由“ un-( 否定前缀) +usual(adj. 通常的) ”构成。unusual的发音以元音音素开头，其前有不定冠词时，应用an。
4. Sme animals have unusual abilities. 有些动物拥有非凡的能力。(教材 P33 2c)
1. wnder n. 奇观；惊叹 v. 琢磨；想知道；感到诧异— wnderful adj. 精彩的；绝妙的2. measure v. 测量；量度为—measurement n. 数量；测量3. deep adj. 深的；有……深的—depth n. 深(度)；纵深4. research v. & n. 研究；调查—researcher n. 研究者5. usual adj. 通常的—unusual adj. 特别的；不寻常的— usually adv.通常地
1. n earth 在地球上2. square kilmetre 平方千米3. belw/abve sea level 低于/高于海平面4. dive int the deep sea 潜入深海5. the bttm f …… 的底部
一、用括号内所给单词的适当形式填空。
1.Hangzhu is a __________（wnder） place t take a trip. I’m sure yu will fall in lve with it.2.I’m very interested in the Mariana Trench. Can yu tell me its ______（deep） first?3.My whle family watched the 9th Asian Winter Games in Harbin and it was a（n） ________（usual） experience. We will never frget it.
4.Different _______（desert） arund the wrld have their wn special kinds f plants and brther is gd at _______（dive） and my sister des well in swimming.
二、用方框中所给单词的适当形式填空。
6.The big lake is s clear that we are able t see its _______.7.I lked ut f the plane，but I culdn’t see anything _______ f the peaceful lake is really like a club prvides（提供） English classes fr students f different app makes the ____________ f distances between tw places very easy.
measurement
三、根据汉语意思完成句子，每空一词。
11.大连是中国一个美丽的城市。它有12000多平方千米。Dalian is a beautiful city in China. It is ver 12,000 _______ __________.
12.公园里的这条河有三米多深。The river in the park is ver 3 _______ _____.
13.虽然海洋中有各种各样的动物，但也存在大量垃圾。Thugh there are different kinds f animals ___ ____ ______,there is als a lt f rubbish.
14.珠穆朗玛峰是世界上最高的山。Munt Qmlangma is ____ _______ _________ in the wrld.
15.一些近海平面的城市正努力修建绿色防护墙，以抵御洪水侵袭。Sme cities near ____ ______ are wrking hard t build green walls against flds.