初中英语人教版（2024）八年级下册（2024）Unit 4 The Wonders of NatureSection A课前预习课件ppt

这是一份初中英语人教版（2024）八年级下册（2024）Unit 4 The Wonders of NatureSection A课前预习课件ppt，共32页。PPT课件主要包含了新课引入，The Nile，the Nile，新课讲解，China，Africa，largest，closer，louder，far等内容，欢迎下载使用。
The Yellw River.
Can yu name these places?
The Yangtze River.
the Yellw River
D yu knw hw lng they are?
the Yangtze River
Read the cnversatin and underline the three rivers mentined.
Yaming: Welcme back, Ella! Hw was yur trip?Ella: It was great! We saw the Huku Waterfall n the Yellw River. Is that the lngest river in China?
Yaming: N, the Yangtze River is the lngest river in China. It travels the farthest and is abut 6,300 kilmetres lng. The Yellw River is 5,464 kilmetres lng and is the secnd lngest. By the way, d yu knw why it’s called the Yellw River?
Ella: Because it’s yellw?Yaming: Right. Sme parts f the river carry brwn and yellw earth.Ella: That’s interesting! I like learning abut rivers. My favurite is the Nile. Did yu knw it’s the lngest river in the wrld?Yaming: Yes, it’s 6,671 kilmetres lng. It’s very imprtant in Egypt’s histry.
Ella: That’s right. Bth the Nile and the Yellw River helped ancient civilizatins t develp. And they’re still very imprtant tday.Yaming: Yes. In China, we even call the Yellw River ur “mther river”!Ella: We shuld prtect them at all csts.
不惜一切代价；无论如何
Language pints
1. It travels the farthest and is abut 6.300 kilmetres lng. 它延伸最远，长度约6300公里。【辨析】farthest与furthest
The village is the farthest/furthest ne frm here. 那个村庄是离这儿最远的一个。I can thrw the ball the farthest in ur grup. 在我们组里，我能把球扔得最远。He has gne the furthest in slving this difficult prblem. 在解决这个难题方面，他取得了最大的进展。
2. By the way, d yu knw why it’s called the Yellw River? 顺便问一下，你知道它为什么被称为黄河吗？by the way意为“顺便说；问一下”。在句子中的位置比较灵活，可以放在句首、句中或句末，一般 用逗号与其他句子成分隔开。
(1) 用于引入新话题。I’m ging t the supermarket t buy sme fruit. By the way, d yu need anything? 我要去超市买些水果。顺便问一下，你需要什么东西吗?(2) 用于补充信息。I’ve finished my hmewrk. By the way, I als helped my mm d sme husewrk. 我已经完成了我的家庭作业。顺便说一下，我还帮我妈妈 做了些家务。
(3) 用于提醒对方。We’re ging t the park this weekend. By the way, wear cmfrtable shes. 我们这个周末要去公园。顺便提醒一下，穿双舒适的鞋子。
What d Yaming and Ella knw abut these rivers? Read the cnversatin again and cmplete the table.
civilizatins
3. helped in the develpment f ancient civilizatins 助力了古代文明的发展develpment作名词，意为“发展；发育；成长”。Children need a gd envirnment fr their physical and mental develpment. 孩子们需要一个良好的环境来实现他们的身心发展。
【拓展】其动词为develp，意为“发展；成长；研制”。China has develped rapidly in recent decades. 近几十年来，中国发展迅速。Children shuld be encuraged t develp gd study habits. 应该鼓励孩子们养成良好的学习习惯。
Listen t the cnversatin. Then rle-play it.
Imagine that yu are Yaming r Ella. Cntinue the cnversatin with a partner abut ther gegraphical features in China.
Ella: Culd yu tell me mre abut China, Yaming?Yaming: Sure! What wuld yu like t knw?Ella: What’s the biggest desert in China?Yaming: It’s the Taklimakan Desert.Ella: D yu knw
Ella: Culd yu tell me mre abut China, Yaming?Yaming: Sure! What wuld yu like t knw?Ella: What’s the biggest desert in China?Yaming: It’s the Taklimakan Desert.Ella: D yu knw hw big the Qinghai Lake is?Yaming: It’s the largest lake in China. It’s in Qinghai Prvince.Ella: Cl! What abut the highest muntain?Yaming: Munt Qmlangma! It’s n the brder f China and Nepal. It’s8,848.86 meters tall.Ella: That’s amazing! It’s the highest muntain in the wrld, right?Yaming: Yes, it is!
Read the sentences. Circle the adjectives which cmpare things. Underline the adverbs which cmpare actins.
Write r spell ut the numbers.
1. Munt Kilimanjar is __________ (five thusand, eight hundred and ninety-five) metres high.2. __________ (twenty-five thusand, seven hundred and sixty-eight) cubic metres f water purs dwn Inga Falls each secnd.3. The East African Rift Valley is abut 4,000 (_____________) miles lng.4. The Taklimakan Desert has a ttal area f abut 337,000 (_____________________________________) square kilmetres.
fur thusand
three hundred
and thirty-seven thusand
Cmplete the passage with the crrect frms f the wrds in the bx.
My friends and I visited Victria Falls in Africa last year. Visiting ne f the wrld’s __________ waterfalls was a magical experience. As we went __________ t the falls, the nise f the water slwly grew __________ and luder. Then, right befre ur eyes, the waterfall appeared. It went n fr as __________ as the eye culd see. Later, we sat in a special pl at the tp f the falls. There, we felt the water rush past us and becme a part f the waterfall. It was the scariest but als the ____________ experience f ur trip!
large amazing far clse lud
mst amazing
My friends and I visited Victria Falls in Africa last year. Visiting ne f the wrld’s largest waterfalls was a magical experience. As we went clser t the falls, the nise f the water slwly grew luder and luder. Then, right befre ur eyes, the waterfall appeared. It went n fr as far as the eye culd see. Later, we sat in a special pl at the tp f the falls. There, we felt the water rush past us and becme a part f the waterfall. It was the scariest but als the mst amazing experience f ur trip!
开头：点明游览地点和时间，总述这是一次奇妙的经历
4. As we went clse t the falls, the nise f the water slwly grew luder and luder. 当我们靠近瀑布时，水流的响声渐渐越来越大。clse t的用法：(1) 意为“靠近；接近(空间上的接近)”。Our schl is clse t a park. 我们学校靠近一个公园。
(2) 意为“接近(时间、数量、程度等)”。It’s clse t midnight. Yu shuld g t bed. 快到午夜了。你应该去睡觉了。(3) 意为“几乎；差不多”。She was clse t tears when she heard the bad news. 当她听到这个坏消息时，几乎要哭出来了。(4) 意为“亲密；亲近”。My sister and I are very clse t each ther. 我和我姐姐关系非常亲密。
Write sme questins t cmpare places. Then ask a partner yur questins.
● What is the highest ● Which park is bigger, ... r
What is the highest muntain in Asia?What is the lngest river in China?What is the deepest cean in the wrld?
Which river is lnger, the Yellw River r the Nile?Which muntain is higher, Munt Tai r Munt Huang?Which desert is htter, the Sahara r the Taklimakan?
1. New wrds and phrases:waterfall, civilizatin, at all csts, develpment, cubic, cubic metre, mile, pl
2. Target language:the sentences with Cmparative and Superlative Frms f Adjectives and Adverbs
一、单词拼写1. Nw mre and mre freigners cme t China fr _________ (far) study.2. The ___________ (develp) f ur city brings us a better life.3. Frm Earth, the Sun lks much ___________ (bright) than the ther stars in the sky.
4. Which is ___________ (deep) salt lake in the wrld?5. I think the cheetah runs the ___________ (fast) f all land animals.6. Taizhu is an ld city with a lng histry f mre than tw ___________ (thusand) years.
二、完成句子1. 她决心不惜一切代价完成这项任务。She decided t finish the task ________ ________ ________.2. 这座城市非常靠近大海。This city is very ________ ________ the sea.3. 我同意你的计划。顺便问一下，我们什么时候出发去大连？I agree with yur plan. ________ ________ ________, when are we leaving fr Dalian?
at all csts
clse t
By the way
三、书面表达我们每个中国人都以自己的祖国为傲。请以“My mtherland—china”为题，用英语介绍一下我们的祖国。提示：1. 历史；2. 位置：亚洲东部；3. 河流和高山；4. 名胜古迹 (places f interest)；5. 人民正努力使自己的国家更加富强。要求：1. 要点齐全，语言流畅，书写规范；2. 词数80左右，开头已给出，不计入总词数；3. 文中不得使用真实姓名、校名。
My mtherland—ChinaChina is my mtherland. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
It’s an ld cuntry with a very lng histry f
mre than 5,000 years. China lies in East Asia. There are many places f interest in my cuntry, such as the Great Wall, the Palace Museum and s n. They are well-knwn arund the wrld.China has many famus rivers and muntains. The Yangtze River is the lngest river in my cuntry. Munt Huang is famus in the wrld. Chinese peple are trying t make the cuntry richer and strnger.