英语八年级下册Section B优秀课件ppt

这是一份英语八年级下册Section B优秀课件ppt，文件包含人教英语八下Unit7第四课时SectionB1a-1dpptx、U7B1bmp3、_国家地理_科普101系列_中字_‖_大象_Elephantsmp4、熊猫从出生到100天间的变化_黑眼圈是越来越重了_mp4等4份课件配套教学资源，其中PPT共23页， 欢迎下载使用。

Learning gals
1. Curriculum wrds: cm(=centimeter), weigh, birth, adult2. Expressins：at birth, up t3. Grammar：表示比较的句式——多倍数的表达4. Listening practice：t listen fr numbers.
weigh v. 重量是……；称……的重量
weight n. 重量
cm (=centimeter) n. 厘米
读作350 centimeters
Pre-listening
birth n. 出生；诞生 at birth 出生时
adj. 成年的；成人的 n. 成人；成年动物
Elephantis 350 cm tallweighs 5,000 kilseats 150 kils f fd a day
Pandais 150 cm tall (standing n tw legs)weighs 100 kilseats 10 kils f fd a day
Cmpared n weight
Nw make mre sentences.
This panda is 200 cm shrter than this elephant.This elephant eats much mre than this panda.…
Language pints
1. This elephant weighs many times mre than this panda. (教材P53 1a)
① weigh 此处作系动词，意为“重量是……”。Hw much d yu weigh?At birth, mst babies weigh between 3 and 4 kilgrams.② weigh 还可作及物动词，意为“称……的重量”。She weighed the stne in her hand.【拓展延伸】weight 作名词，意为“重量；分量”。put n/gain weight 表示“增加体重”；lse weight 表示“减重”。
该结构意为“是……（长/宽等）多少倍”，表示倍数。This table is three times lnger than that ne.【拓展延伸】① “倍数 + as + 形容词/副词原级 + as”也表示倍数，意为“是……的几倍”。This table is three times as lng as that ne.② “倍数 + the size/length/height + f …”意为“……是……的几倍大/长/高”。This table is three times the length f that ne.
zer pint ne
zer pint tw
ne hundred and twenty
ne hundred and fifty
Read the fllwing number.
While-listening
______ 100 ______ 16 ______ 20 ______ 50______ 120 ______ 0.1 ______ 0.2 ______ 150
At birth, a baby panda is abut ______ t ______ kils.At birth, a baby panda is abut ______ cm lng.A baby panda is nt black. It is ______ and it has n ______.A panda can live up t ______ t ______ years.
到达（数量、程度等）；至多有；不多于
Listen and Read.
Teacher：D yu have any questins abut baby pandas?By 1： Are they much smaller than an adult panda?Teacher：Yes. When they’re brn, they nly weigh abut 0.1 t 0.2 kils.By 1： Ww, that’s small! I knw an adult panda weighs many times mre than a baby.Teacher：That’s right. And the adult pandas weigh arund 100 kils.By 2： What abut the size f a baby panda? Hw small is it?
Teacher：At birth, it’s nly arund 15 cm lng, but an adult panda is arund 150 cm lng.Girl 1： Is a baby panda als black and white?Teacher：N, yu wuld never guess! A baby panda is pink and it cannt see. It als desn’t have any teeth.Girl 1： Hw lng can pandas live?Teacher：They can live up t 20 t 30 years.
Pst-listening
A: A baby panda cannt see.B: An adult panda weighs many times mre than a baby panda.
True f False?
An adult panda is ten times lnger than a baby panda.
True. At birth, a panda’s nly arund 15 cm lng, but an adult panda is arund 150 cm lng.
The rad is ________ that ne．A．twice as wider asB．twice as wide asC．twice s wide as D．wider twice thanOur schl is ________ yurs．A．twice bigger than B．bigger twice thanC．twice big than D．many times big than
二、用所给单词的适当形式填空。
He ____________(weigh) the stne in his hand just nw．His wife gave ____________(birthday) t a baby by yesterday．Many ____________(adult) als like playing cmputer games．The elephant weighs many times __________ (much) than the kala．Twn Cinema is ____________(cheap) than Screen City．The size f ur schl is____________ (tw) bigger than theirs.
三、根据汉语意思补全句子
那个婴儿生下来重七磅。That baby weighed seven punds__________ __________ ．一只熊猫能活20到30年。A panda can _________ _________ _________ 20 t 30 years．这头大象的重量比这头熊猫重许多倍。This elephant weighs __________ __________ mre than this panda．
at birth
live up t
many times