初中英语人教版（2024）八年级下册（2024）Section A课文配套ppt课件

这是一份初中英语人教版（2024）八年级下册（2024）Section A课文配套ppt课件，共9页。PPT课件主要包含了U4 8B，奋斗者号下潜深度，深海起始深度，泰坦尼克号残骸深度，鲸类最深下潜深度，filmed，large，unusual，blind，see等内容，欢迎下载使用。
the Changjiang River
the West Lake
Taiwan Island
Huanggushu Waterfall
the Sahara Desert
Tianshan Muntain
Zhangjiajie Frest
the seven wrld wnders
Mther Nature
北极光（挪威）：夜空中流动的绿色光带，极具梦幻感
彩虹云（澳大利亚）：罕见的荚状云出现彩虹色分光现象
the Wnders f Nature
冰岛火山熔岩流(Icend Lava Flw):冰冻裂谷带+地幔热点双重作用下，火山口/裂隙喷出的高温玄武岩岩浆在地表流动，冷却凝固的现象
Q1-Yes, it's Victria Falls.Q2-It is ne f the largest waterfalls in the wrld. It's abut 1,708 meters wide and 108 meters high, making it the largest sheet f falling water n Earth.Lcal peple call it "Msi-s-Tunya", which means "The Smke That Thunders".Q3-I knw the Grand Canyn, the Great Barrier Reef, and Angel Falls.The Himalayas, the Amazn Rainfrest, and the Nrthern Lights are als amazing natural wnders.
BIG QuestinWe can cnnect with nature by hiking in muntains and walking in frests.We can watch birds r plant trees t get clse t nature.Prtecting rivers and frests is als a gd way t cnnect with nature.We cnnect with nature in many ways. We can g hiking, camp utdrs, r simply sit in a park t enjy the scenery. We als cnnect with nature by prtecting it-saving water, reducing waste, and caring fr plants and animals. These actins help us feel part f the natural wrld.
highest muntain
biggest desert
lwest place
deepest place
The Dead SeaA: What's the lwest place n earth?B: It's the Dead Sea.A: Hw lw is it?B: Its surface is 416 metres belw sea level.A: Nw, what's the highest muntain in the wrld?B: It;s Munt Qmlangma.
The Sahara DesertA: What's the biggest desert in the wrld?B: It's the Sahara Deserte.A: Hw big is it?B: It's abut 9,000,000 square kilmetres in size.
Munt QmlangmaA: What's the highest muntain in the wrld?B: It's Munt Qmlangma.A: Hw high is it?B: It's 8,848.86 metres high.
Mariana TrenchA: What's the deepest place in the cean?B: It's the Mariana Trench.A: Hw deep is it?B: It's abut 11,000 metres deep.
their wn light
Q1-The largest shark in the deep sea is the whale shark (Rhincdn typus鲸鲨). It is nt nly the biggest shark, but als the largest living fish n earth. Adult whale sharks usually grw t 9-12 metres lng, and the largest individual can reach ver 20 meters. They are filter feeders((滤食动物) that eat planktn(浮游生物) and small fish, and they are gentle t humans.Q2-The deep-sea flr is a mysterius and diverse landscape. It has flat abysmal(深不可测的) plains (the flattest places n Earth, cvered with thick sediment(沉淀物)), deep trenches(壕沟) (like the Mariana Trench, the deepest place n Earth), mid-cean ridges(成脊状) (underwater muntain ranges), hydrthermal vents(海底热泉), and seamunts(海山). It is cmpletely dark, with extremely high water pressure and lw temperature.
Q3-Besides China's Fenduzhe, there are many ther deep-sea vessels: Trieste (US): The first manned submersible(载人潜水艇) t reach the Mariana Trench in 1960,Alvin (US): A famus manned submersible that has cmpleted ver 5,000 dives.Deepest Challenger (Australia): The submersible used by James Camern t dive t the Mariana Trench.Limiting Factr (US): The first submersible t visit the deepest pint f all 5 ceans.Shinkai 6500 (Japan): A Japanese manned submersible with a maximum depth f 6,500 meters.
Q4-The deep sea is extremely imprtant t humans fr many reasns:1.Resurce Treasure: It is rich in il, natural gas, mineral resurces (like manganese ndules锰结核, cbalt crusts) and rare bilgical resurces, which are critical fr human Regulatin: The deep cean stres huge amunts f carbn and heat, regulating the Earth's Research: It helps us study the rigin f life, plate tectnics(地质构造), and extreme envirnment Value: It is an imprtant frntier fr natinal cean security and technlgical Balance: It is hme t unique deep-sea ecsystems that maintain the glbal marine balance.
Key Phrases1.welcme back 欢迎回来2.the lngest river 最长的河流3.the secnd lngest 第二长4.carry brwn and yellw earth 携带黄褐色的泥沙5.the lngest river in Africa 非洲最长的河流6.help ancient civilizatin t develp 助力古代文明发展 "mther river" 把称为我们的“母亲河”8.by all means 务必；尽一切办法
Key Sentence Patterns1.Hw was yur trip? 你的旅行怎么样？Hw+be+名词？ 用于询问事物的状态、感受，过去式用于询问已发生的事情。2.询问事物属性（最高级句型）Is that the lngest river in China? 那是中国最长的河流吗？the+形容词最高级+in+范围 表示“在某范围内最”3.介绍事物长度/排名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.主语+be+长度+lng 表示“某物全长”the+序数词+形容词最高级 表示“第几最”
4.询问原因By the way, d yu knw why it's called the Yellw River? 顺便问一下，你知道它为什么叫黄河吗？d yu knw+宾语从句（陈述语序） 用于委婉询问信息，by the way是口语常用过渡语，意为“顺便说一下”。5.表达观点/建议We shuld prtect them by all means. 我们务必保护它们。shuld+动词原形 表示“应该做某事”，用于提出建议、倡议。
civilizatins
Ella: We talked abut rivers yesterday. D yu knw the highest muntain in China?Yaming: That's Qmlangma! It's 8,848.86 meters high, the highest in the wrld. It's n the brder between China and Nepal.Ella: Ww, that's amazing! Is there a famus lake in China t?Yaming: Yes, Qinghai Lake is the largest saltwater lake in China. It's in the nrthwest, and it's hme t many rare birds.Ella: That's s cl! I want t visit it smeday.Yaming: Me t. China has s many wnderful gegraphic features. We shuld prtect them.
Yaming: Besides rivers, China has many famus muntains. Have yu heard f Munt Huang?Ella: Yes! I knw it's famus fr its strange stnes and sea f cluds. Where is it?Yaming: It's in Anhui Prvince. Many peple say it's the mst beautiful muntain in China.Ella: That's great! What abut the Three Grges ib the Yangtze River.Yaming: Oh, it's ne f the mst famus canyns in the wrld. It's nt nly a natural wnder, but als very imprtant fr China's water pwer.Ella: Ww, China's gegraphy is really amazing!
Ella: D yu knw what's the lngest river in China?Yaming: It's the Yangtze River. It's abut 6,300 kilmetres lng.Ella: Ww! What's the highest muntain in China.Yaming: It's Munt Qmlangma. It's the highest muntain in the wrld, t.Ella: That's amazing! What's the deepest lake in China?Yaming: It's Lake Baikal? N, wait, it's the deepest lake in China.Ella: Cl! Thank yu fr telling me s much abut China.Yaming: Yu're welcme.
fur thusand
three hundred
and thirty-seven thusand
mst amazing
1.What is the lngest river in China?2.What is the deepest lake in the wrld?3.What is the largest desert in Asia?4.What is the highest muntain in the wrld?5.What is the biggest city in yur cuntry?1.Which river is lnger, the Yangtze River r the Yellw River?2.Which muntain is higher, Munt Qmlangma r Munt Kilimanjar?3.Which desert is larger, the Taklimakan Desert f the Gbi Desert?n4.Which lake is deeper, Lake Tianchi r Fuxian Lake?5.Which city is bigger, Beijing r SHanghai?