初中英语人教版（2024）八年级下册（2024）Section B教课内容ppt课件

这是一份初中英语人教版（2024）八年级下册（2024）Section B教课内容ppt课件，共32页。PPT课件主要包含了large，small，high，long，low，short，adj 等内容，欢迎下载使用。
What d yu knw abut Lake Baikal?
Wuld yu like t jin ur adventure team t explre it?
Befre the adventure, let’s learn sme ppsite wrds.
Taklimakan Desert塔克拉玛干沙漠
Sahara Desert撒哈拉大沙漠
Munt Qmlangma珠穆朗玛峰
Munt Tai 泰山
The Nile 尼罗河
The Yellw River 黄河
Munt Everest (high) vs the Dead Sea (lw).
The nrthern slpe vs the suthern slpe.
Living animals vs the Dead Sea
"In nature, we see many ppsites"
Can yu give any examples?"
The summit f Munt Everest (tp) vs the Mariana Trench (bttm).
Can yu give mre examples?"
Befre the adventure, let’s learn sme abut “Hw”.
Hw large is the Sahara Desert?
Hw high is the Munt Qmlangma?
Hw lng is the Nile River?
It’s abut 9,320,000 square kilmetres.
It’s abut 8,848.86 metres high.
It’s abut 6,670 kilmetres lng.
Think and share
1. Hw far is it frm yur hme t schl?
2. Hw heavy is a blue whale?
3. Hw large is ur cuntry?
4. Hw ften d yu exercise?
It’s abut 2 kilmeters frm my hme t schl.
A blue whale weighs abut 150 tns.
Our cuntry is abut 9.6 millin square kilmeters in size.
I exercise three r fur times a week.
1. It is ______ t wait fr the traffic light t turn red, but it is ______ t walk acrss the rad withut lking.
2. Seeing a cat in the street is very _________, but seeing a wild tiger there is _________.
3. The kite is ________ the cluds, and the bridge is _______ the river.
4. Withut sunlight and water, plants cannt ________, they will ______.
5. The _____ f the muntain is cvered with snw, while the ________ is full f green trees.
6. This area has a _________ climate, but its ________ part is much warmer.
7. The temperature is very ______ in winter, but it becmes ______ in summer.
8. The ______ leaves fall t the grund, and _________ plants keep grwing in spring.
Hw far is it frm yur hme t schl? Hw heavy is a blue whale?Hw large is yur cuntry? Hw ften d yu exercise?
lng　high　deep　ld　fast　sn
Hw lng is the Yangtze River?
Hw high is the Munt Kilimanjar?
Hw deep is the Mariana Trench?
Hw ld is the Great Wall?
Hw fast can yu run?
Hw sn can yu finish the task?
Read the examples and make mre sentences using hw and the wrds in the bx.
What D Yu Knw Abut Lake Baikal?
Where is it?
Hw deep is it?
Hw large is it?
What animals live there?
| deep | envirnment | survive | wnderful | surface | dive |
Lcated in Siberia, Russia, Lake Baikal is ne f the wrld's mst famus lakes. It is the ______ (1) freshwater lake in the wrld. T reach the bttm, yu must ______ (2) 1,620 metres! It is als larger than mst ther lakes. Its ______ (3) cvers 31,500 square kilmetres. That is bigger than the cuntry f Belgium! Lake Baikal is very cld fr mst f the year. But ver 1,200 different types f animals can still ______ (4) in this ______ (5). Tday, the lake still attracts many curius travellers. After all, it is a great natural ______ (6)!
envirnment
2c Cmplete the passage with the crrect frms f the wrds in the bx.
Cmplete the passage with the crrect frms f the wrds in the bx.
deep survive wnderful surface dive
Lcated in Siberia, Russia, Lake Baikal is ne f the wrld’s mst famus lakes. It is the __________ freshwater lake in the wrld. T reach the bttm, yu must __________ 1,620 metres! It is als larger than mst ther lakes. Its __________ cvers 31,500 square kilmetres. That is bigger than the cuntry f Belgium! Lake Baikal is cld mst f the year. But ver 1,200 different types f animals can still __________ in this envirnment. Tday, the lake still attracts many curius travellers. After all, it is a great natural __________!
Read the text and match the new wrds with their meanings.
/ ləʊˈkeɪt/
/ˈfreʃwɔːtə(r)/
/ˈkjʊəriəs/
/ˈtrævələ(r)/
/ˈnætʃ(ə)rəl/
Read and answer
1. Where is Lake Baikal lcated?
2. What kind f lake is Lake Baikal?
It is lcated in Siberia, Russia.
3. Hw deep is Lake Baikal?
4. Hw large is Lake Baikal?
5. What did the text cmpare Lake Baikal with? Why?
6. Why d many travelers visit Lake Baikal?
It is the deepest freshwater lake in the wrld.
It is abut 1,642 meters deep.
It is abut 31,500 square kilmetres in size. / It is larger than Belgium.
It cmpared Lake Baikal with Belgium.Because it wants t shw hw large Lake Baikal is.
Because it is a great natural wnder and it attracts many travelers.
Lcated in Siberia, Russia, Lake Baikal is ne f the wrld’s mst famus lakes. It is the deepest freshwater lake in the wrld. T reach the bttm, yu must dive 1,620 metres! It is als larger than mst ther lakes. Its surface cvers 31,500 square kilmetres. That is bigger than the cuntry f Belgium! Lake Baikal is cld mst f the year. But ver 1,200 different types f animals can still survive in this envirnment. Tday, the lake still attracts many curius travellers. After all, it is a great natural wnder!
be lcated in … 位于…；坐落在…
世界上最著名的湖泊之一
cver … square kilmetres 覆盖…平方公里
一、请将下列单词进行正确的归类,从每类单词中选择一个单词造句。
1.物体特征: ______________________造句: ___________________________________________
deep，lw，high，lng
The lake in ur twn is abut 50 metres deep.
2.方向: ________________________________造句: __________________________________________________________________________
nrtheastern，western，suth，nrth
We plan t travel t the western part f the cuntry during the summer hliday.
3.人物品质: _________________造句: __________________________________________________________________
ambitin，curius
The curius by always asks his teacher a lt f questins abut nature.
4.自然景观: ______________________________________造句: _____________________________________________________________________
waterfall，desert，cliff，cral，cast，reef
We saw a beautiful waterfall when we climbed the muntain yesterday.
二、用方框中所给单词的适当形式填空,使短文意思完整、通顺。
Once upn a time,a small tree grew at the 5. _______ f a hill. It was thin and shrt,but it always lked up at the 6. ____,dreaming f standing there t see the faraway fields. The 7. _________ side f the hill was cld,and in winter,heavy snw fell and strng winds blew. One especially freezing winter,the tree’s leaves all fell ff,and it almst 8. _____.But its rts stayed deep in the sil,hlding n tightly.
When spring came,warm winds frm the 9. _________ plains（平原） blew,and gentle rains fell. The tree slwly came back t life,grwing a little taller each year. After five years,it finally reached the tp. It had managed t 10. ________ all the hard times,and nw it culd see rivers,villages,and green hills far away. The little tree smiled,happy that its dream had cme true.#1.2
从方框中选出下列句子中黑体单词的词义。
belw
1.Children belw ten can enter the park fr free.( )2.Lk!There are sme clurful fish swimming belw.( )3.Frm the tp f the muntain，we culd see a lake belw us.( )
level
4.We can measure the level f the water in the cup with a ruler.( )5.We need t practise mre t reach the same level as ur classmates.( )6.Remember t put up the tent n level grund near the lake.( )
degree
7.He fund a gd jb in the city after getting a business degree.( )8.It is very ht tday. I guess that it is 30 degrees.( )9.She lves reading t such a degree that she frgets t eat.( )
wnder的用法
知识链接：讲解详见背记本P27考点11.My sister _________（想知道） when yu can help her with her stayed at the ft f the muntain fr three mnths. He lved the __________（wnder） scenery.
3.Mike wndered hw many streets there were in Chngqing.（改为同义句）Mike _______ ___ ______ hw many streets there were in Chngqing.
4.我希望更多的外国游客来中国旅游，发现中国的文化瑰宝和自然奇观。I hpe mre freign turists will g n trips t discver China’s cultural treasures and _______ _________.
die，dead与death辨析
知识链接：讲解详见背记本P27考点25.Sam always feels sad when he thinks f his grandpa’s mre and mre peple speak Putnghua，sme dialects（方言） are bad! There is smething wrng with my new cmputer and it is _____ Smith’s gd friend _____ in the cuntryside three years ag.
risk的用法
知识链接：讲解详见背记本P27考点39.It is ______（risk） t tell yur persnal infrmatin t thers will risk _______（lse） the ftball match if yu dn’t practise small village by the sea is ___ risk when there’s a strng risked their lives _________（climb） the muntain last mnth.
13.人们在生活中需要冒险，但重要的是要知道如何保持安全。Peple need t ____________________ in life，but it’s imprtant t knw hw t stay safe.
take risks/take a risk
常见的“长/宽/高/深”等的表达
知识链接：讲解详见背记本P28考点4
14.— __________ is the muntain?—It’s abut 2,000 metres high.
15.— ___________ is the elephant?—Abut 5,000 kils.
16.— ___________ is yur huse?—It’s abut 80 square metres in size.
17.— __________ is this red rpe in yur hand?—It’s abut tw metres lng.
1.Dgs _______ wag（摇）their tails when they’re happy. My dg’s ______ way t greet me is jumping up gently. Yesterday，he brught me a leaf—it was a（n） ________ but sweet surprise.（usual）
2.Emma wants t ________ in learning t play the guitar. She practised every day and ___________ played her first sng last night. Her parents cheered—she felt it was a __________ day.（succeed）
successfully
3.There’s a _____ hle in the ld tree in the yard. Grandpa guessed its ______ might be 50 centimetres. I was _______ curius abut what’s inside.（deep）