英语八年级下册（2024）Section A授课课件ppt

这是一份英语八年级下册（2024）Section A授课课件ppt，共16页。PPT课件主要包含了 53等内容，欢迎下载使用。
In this unit, yu will:
1. talk abut gegraphy facts abut natural wnders.
2. cmpare facts abut famus places.
3. share gegraphy facts using large numbers.
4. explre hw and why peple cnnect with nature.
Lk and share
1. D yu knw the name f the waterfall in the pht? Where is it?
It's Victria Falls in suthern Africa.
2. What d yu think is special abut it? (vide)
It’s amazing and shcking! Visitrs can feel the great pwer f nature and see bright rainbws all arund.It is very wide and tall. (abut 1.7 kilmeters wide and 108 meters tall). It’s ne f the mst famus waterfalls in the wrld.
What natural wnders can yu see in the pictures?
Match the places with the pictures.
/ˈtʃəʊməʊˌlɑːŋmə/
/ˈmæriˈænə/
the Nile River（6671km）
Hw lng is it?
It’s 6,671 kilmetres lng.
What is special abut it?
It’s the lngest river in the wrld.It helps ancient Egyptian civilizatin develp.
/ɪˈdʒɪpʃn/ /ˌsɪvəlaɪˈzeɪʃn/ 古埃及文明
the Angel Falls （979m）
Hw high is it?
It’s the highest waterfall in the wrld.
It’s abut 979 metres high.
Hw can we read large numbers?
①先从右至左数,每三位 数加一个逗号.(先忽略 小数点及后面部分)
②第一个逗号代表thusand(千), 第二个逗号代表 millin(百万), 第三个逗号代表billin(十亿).
③pint+小数 点后逐个读
e.g. 2506112375.53
nine thusand and eighty-three
nine millin
eleven thusand
fur hundred and sixteen
eight thusand, eight hundred and frty-eight pint eight six
Listen t the game shw. Cmplete the descriptins f the places.
lwest place
deepest pint
Check like this:Munt Qmlangma is the highest muntain in the wrld.
Listen again. Cmplete the measurements in 1b with the numbers belw.
/ˈmeʒəmənt/ 测量
There are many amazing natural wnders in the wrld. Munt Qmlangma is the _______________ in the wrld. It’s __________ metres high. The Sahara Desert is the ____________ in the wrld. It’s abut ____________ square kilmetres in size. The Dead Sea is the ____________ n earth. Its surface is __________ metres belw sea level. The Mariana Trench is the ____________ in the cean. It’s abut ________ metres deep.
highest muntain
biggest desert
Munt Qmlangma
Sahara Desert
Mariana Trench
1. 8,848.86 metres high 8848.86米高
这座楼约有50米高。The building is abut 50 metres high/tall.
数量的表达在英语中，表示"事物的长、宽、高"等时，其表达方式为:基数词+表示'度量'的名词 (metre,kilmetre,ft等)+形容词(lng, wide,high/tall等)注意: 若基数词大于1，则表示"度量"的名词应用复数形式。
2. abut 9,000,000 square kilmetres in size 面积约900万平方千米
这个广场面积大约500平方米。The square is abut 500 square metres in size.
in size 在尺寸上；在大小方面拓展: 英语中，表示"事物的长、宽、高"等时，还可用:基数词+'度量'名词+in size/length/height
• What’s the lwest/highest/biggest/ deepest place in the wrld/n earth?• Hw lw/high/big/deep is it?• Where’s
• It’s the -est in the wrld/ n earth.• It’s ... metres/kilmetres deep/high. It’s ... square kilmetres (in size).• It’s in the...
• Crrect / Right / Wrng / Well dne.• That’s crrect/ right.