英语八年级下册（2024）Section A教学课件ppt

这是一份英语八年级下册（2024）Section A教学课件ppt，共32页。PPT课件主要包含了Warming up，Grammar，越来越，较大数字的表达与读法， 895， 768， largest，closer，louder，far 等内容，欢迎下载使用。
Learning gals
Learn new wrds and phrases: cubic metre, mile, pl
Share gegraphy facts using large numbers.
Can yu say a number bigger than 10?
比较级(用于两者之间的比较)①形容词比较级＋than... He is taller than me. 他比我高。②the+比较级, the +比较级 越……，就越…… The mre careful yu are, the fewer mistakes yu will make.你越仔细，犯的错误就越少。
形容词和副词的比较级和最高级
比较级(用于两者之间的比较)③比较级+and+比较级 mre and mre+原级 The weather is getting clder and clder.天气越来越冷了。 Our hmetwn is becming mre and mre beautiful.我们的家乡变得越来越美丽。
最高级(用于三者或三者以上的比较)： ①the+形容词的最高级＋f/in... He is the tallest f the three. 他是这三个人中最高的。 He is the funniest in his class. 他是他们班最有趣的。
最高级(用于三者或三者以上的比较)： ②ne f the+形容词最高级+可数名词复数＋f/in... ……中最……的……之一 Pingya Ancient City is ne f the best-kept ancient cities in China.平遥古城是中国保存最完好的古城之一。
最高级(用于三者或三者以上的比较)： ③Which/Wh ...+(the) +最高级, A, B r C ?Wh sings the best in yur class, Lily,Tm r Jack?你们班谁唱的最好，莉莉、汤姆还是杰克？
形容词、副词比较级和最高级的变化： 规则变化 ①一般情况下，单音节或双音节的形容词 （或副词）比较级＋er ，最高级＋est clever－cleverer－cleverest few－fewer－fewest small－smaller－smallest
②以e结尾的词，比较级＋r，最高级＋st nice－nicer－nicest cute－cuter－cutest large－larger－largest ③以“辅音字母＋y”结尾的变y为i＋er或est easy－easier－easiest happy－happier－happiest
④多音节和部分双音节词需要在形容词原级前＋mre构成比较级，＋the mst构成最高级。 beautiful－mre beautiful－the mst beautiful careful－mre careful－the mst careful useful－mre useful－the mst useful
不规则变化 gd －better－best well－better－best bad－wrse－wrst many, much－mre－mst far－farther－farthest (距离远) far－further－furthest (程度深) ld－elder－eldest (长幼) ld－lder－ldest (年龄)
1. 从数字的右端向左数，每三位数加一个逗号。2. 从右向左，第一个逗号处读thusand(千)，第二个逗 号处读millin(百万)，第三个逗号处读billin(十亿)。3. 读的时候通常在hundred后加and，如果百位数为0， 则在thusand后加and。
4.英语中没有直接表示“万”和“亿”的单位词，而要用thusand 和millin来表达，如“一万”用“ten thusand”、“一亿”用“ne hundred millin”。2,674→tw thusand six hundred and seventy-fur164,213,430→ ne hundred and sixty-fur millin, tw hundred and thirteen thusand, fur hundred and thirty18,357,089→ eighteen millin, three hundred and fifty-seven thusand, and eighty-nine5,204,000,000→five billin tw hundred and fur millin
1.Munt Kilimanjar is________ (five thusand, eight hundred and ninety-five) metres (twenty-five thusand, seven hundred and sixty- eight) cubic metres f water purs dwn Inga Falls each East African Rift Valley is abut 4,000 (______________) miles Taklimakan Desert has a ttal area f abut 337,000 (____________________________________) square kilmetres.
three hundred and thirty-seven thusand
fur 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 luder and_________. 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!
mst amazing
Write sme questins t cmpare places. Then ask a partner yur questins.
What is the  park is bigger, ... r
1) Munt Qmlangma is_________than any ther muntain in the wrld.2) The Sahara Desert is_____________ desert in the wrld.4) The Nile is____________ river in the wrld.6) — Did yu knw that China is ne f___________ cuntries in the wrld? — Yes, I did. It’s_______ _______ than my cuntry.
the biggest
Fill in the blanks.
much lder
Language pints
There was a fire in the muntain, which came up as far as ur village. 山里发生了火灾，都蔓延到我们村了。
It went n fr as far as the eye culd see. 它一眼望不到头。(教材 P35 4c)
As far as we/I knw 据我/我们所知 As far as we knw, the Sahara is the biggest desert in the wrld. 据我们所知，撒哈拉沙漠是世界上最大的沙漠。
the+比较级，the+比较级
比较级+and+比较级
mre and mre+形容词/副词原级
(the+)最高级+in/f/amng短语
ne f the+形容词最高级+可数名词复数+in/f 短语
“Which/Wh…(+the)+最高级，A, B r C?”