初中英语Section A优质课件ppt

这是一份初中英语Section A优质课件ppt，文件包含第3课时B1a-1dpptx、U7B1bwav、U7B1cwav、U7phraseswav、U7word2wav、Unit7第3课时报听写wmv等6份课件配套教学资源，其中PPT共45页， 欢迎下载使用。
cm=centimeterweigh (v.)birth (n.)adult (adj.& n.)
/ˈsentɪmi:tə(r)/
/bɜː(r)θ/
/ˈædʌlt/, /əˈdʌlt/
厘米(=centimetre)重量是……；称……的重量 出生；诞生 成年人的；成人的
New Phrases
出生时到达（某数量、程度等）；至多有；不多于
at birth up t
根据星星中的英文说出中文意思！
Hw much d yu knw abut elephants and pandas?
大象是现存世界最大的 陆栖动物，主要外部特征为柔韧而肌肉发达的长鼻和扇大的耳朵，具缠卷的功能，是象自卫和取食的有力工具。象肩高约2米，体重3～7吨。非洲象耳大，体型较大，体重较重。亚洲象耳小，身体较小，体重较轻。
大熊猫最奇特的一点是新生儿在出生时相当的不成熟，体重仅是它母亲体重的0.1%，平均为145克左右，
约为成年的千分之一。照顾孩子是一项非常艰巨的任务，通常历时18个月，有时长达两年，直到她的下一个孩子出生。
Cmpare facts abut these tw animals. Use the language in the bx t help yu make sentences.
Elephant— is 350 cm tall— weighs 5,000 kils— eats 150 kils f fd a day
Panda — is 150 cm tall (standing n tw legs)— weighs 100 kils— eats 10 kils f fd a day
Example sentence:This elephant weighs many times mre than this panda. (200 cm taller/shrter, weigh much mre/less, eat much mre/less, eat many times mre)
Elephant is 350 cm tall weighs 5,000 kils eats 150 kils f fd a day
Try t describe the elephant using the infrmatin abve.
Panda is 150 cm tall (standing n tw legs) weighs 100 kils eats 10 kils f fd a day
Try t describe the panda using the infrmatin abve.
Fr example:1. The panda is 150 cm tall when it is standing n tw legs.2. It weighs 100 kils.3. It eats 10 kils f fd a day.
This elephant is 200 cm taller than this panda.
This elephant weighs much mre than this panda.
This elephant eats much mre than this panda.
This elephant eats many times than this panda a day .
Listen and check(√) the numbers yu hear.
____ 100 ____ 16 ____ 20 ____ 50 ____ 120 ____ 0.1 ____ 0.2 ____ 150
Listen again and cmplete the sentences.
1. At birth, a baby panda is abut _____ t _____ kils. 2. At birth, a baby panda is abut _____ cm lng. 3. A baby panda is nt black. It is ______ and it has n _____.4. A panda can live up t ______ t ______ years.
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 abut 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: 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 : Hw lng can pandas live?Teacher : They can live up t 20 t 30 years.
Try t make cards fr adult panda and baby panda. Yu can use the cards in 1a as examples.Then wrk in pairs and cmpare the adult panda and baby panda.
1. This elephant weighs many times mre than this panda.
weigh “重量是……”，在此句中作系动词； 意为“称……的重量”时作及物动词。
你上次是什么时候称的体重?
When did yu weigh yurself last time?
Language pints
weight为weigh的名词形式，是不可数名词，意为“重量”：
gain/put n weight 增肥
lse weight 减肥
What a pity! Sue lst the game because the _______ (weigh) f her shes made it difficult fr her t run fast.
…many times mre than…“比……多很多倍”，是倍数的表达方式之一。
英语中常用的倍数表达法有：
（1）“A+谓+倍数+形/副的比较级+than + B” A是B的多少倍（大/小/长……）
例：他跑得比他弟弟快三倍。 He runs three times faster than his brther.
（2）“A+谓+倍数+as+形/副的原级+as+B” A是B的几倍
例：我们的学校是你们学校的两倍大。 Our schl is twice as big as yurs.
（3）“A+谓+倍数+the height/weight/length/size … +f + B” A是B的几倍（高/重/长/大……）
例：这座山的高度是那座小山的四倍。 This hill is fur times the height f that small ne.
（1）他跑得比他弟弟快三倍。 He runs ____________________ his brther.
（2）这棵树是那棵树的三倍高。This tree is ____________________ that ne.
（3）这座山的高度是那座小山的四倍。 This hill is ____________________ that small ne.
three times faster than
three times as tall as
fur times the height f
Our teacher tells us that the earth is abut ______ as the mn.A. as fifty time big B. fifty times as bigC. as big fifty times D. fifty as times big
2. At birth, a baby panda is abut 0.1 t 0.2 kils.
at birth“出生时”，相当于when it was brn。birth为不可数名词，意为“出生；诞生”。
例：出生时，这个婴儿大约3公斤。 At birth, the baby was abut three kils.
3. A panda can live up t 20 t 30 years.
up t意为“到达（某数量、程度等）；不多于”。
In sme areas f Africa, children get educated up t 12 years ld. 在非洲的一些地区，孩子最多受教育到12岁。
be up t sb. 意为“由某人决定”。
例：——爸爸，我们去那里度假？ ——由你决定。 —Where shall we g fr vacatin, Daddy? —It’s up t yu.
up t 的相关短语
up t nwg/walk up t live up trun up t
直到现在走到，走上前达到；不辜负（期望）跑到（某人面前）
add up t be up t up t date
新式的；现代的；至今，到目前为止
Her schl wrk isn’t quite______ the mark.A. lead t B. turn tC. used t D. up t
Take turns telling yur classmates abut pandas.
An adult panda weighs many times mre than a baby panda.
A baby panda cannt see.
A baby panda is pink and it desn’t have any teeth.
At birth, a baby panda is nly arund 15 cm lng.
The adult pandas weigh arund 100 kils.
Pandas can live up t 20 t 30 years.
Key wrds: weigh birth adult Phrases: at birth up t Sentences: This elephant weighs many times mre than this panda.
1. My grandma is a happy and healthy wman and she’ll live ___ 100 years ld. A. up t B. t C. up D. being2. David jumped the ____ in the lng jump. He wn the game! A. lngest B. fastest C. highest D. farthest
3. It was a hundred times _______ than I’d expected. A. fun B. mre fun C. the mst fun D. funny
4. Lk at the cute baby ver there. He is abut 50cm lng _______ birth. A. fr B. n C. in D. at
1. He ______ ( weight) nly 70 kils nw after taking a balanced diet.
2. 他父亲的年纪有他两倍大。 His father is ______ ____ ____ as he.
twice as ld