初中英语Section B教学ppt课件

这是一份初中英语Section B教学ppt课件，文件包含1第四课时SectionB1a－1dppt、U7SectionB1bmp3、U7SectionB1cmp3等3份课件配套教学资源，其中PPT共25页， 欢迎下载使用。

Animals are friends f ur humans.They share the same planet with us.S we shuld learn t prtect them.
What's yur favrite animal?
cm=centimeter/centimetre
adj.成年人的；成人的
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)
Fr example:
Try t describe the elephant using the infrmatin abve.
1. This elephant is 350 cm tall.
2. It weighs 5,000 kils.
3. It eats 150 kils f fd a day.
Try t describe the panda using the infrmatin abve.
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.
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.
Tapescripts
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.
Take turns telling yur classmates abut pandas.
A: A baby panda cannt see.
B: An adult panda weighs many times mre than a baby panda.
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.
1．many times mre than
(1)“A＋谓语动词＋倍数＋形容词/副词的比较级＋than＋B”表示“A比B……多少倍”。
例句：He runs three times faster than his brther. 他跑得比他弟弟快三倍。
many times mre than 意为“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：
(2)“A＋谓语动词＋倍数＋as＋形容词/副词的原级＋as＋B”表示“A是B的多少倍……”。
例句：His father is twice as tall as he. 他父亲的身高是他的两倍。
This tree is three times as tall as that ne. 这棵树是那棵树的三倍高。
(3)“A＋谓语动词＋倍数＋the height/weight/length…＋f＋B”表示“A的高度/重量/长度……是B的多少倍。”
例句：This hill is fur times the height f that small ne. 这座山的高度是那座小山的四倍。
up t意为“到达(某数量、程度等)；至多有；不多于”，其中t为介词，后接名词作宾语。
例句：Up t ten peple can sleep in this tent. 这个帐篷最多能睡十人。
Our ftball team played up t its best in the last match. 我们的足球队在上次比赛中发挥了最高水平。
up t 还可表示 “(体力或智力上)能胜任；适于(做某事)”，后可接名词或动词作宾语。常用于否定句。
例句：He's nt up t the mnitr. 他无法胜任班长。
He's nt really up t seeing any visitrs. 他的身体不太适合见访客。
I.根据句意及汉语提示完成句子。1．The _________(大象) is a friendly animal.2．The _________(熊猫) in the park are s cute that many turists take phts f them.3．My little brther ________(重) 50 kils.4．At _______(出生)，the baby is nly 50 cm lng.5．Tm has ________(更多) friends at schl than any ther student.