高中英语人教版 (新课标)选修7&8Unit 3 Under the sea备课ppt课件

这是一份高中英语人教版 (新课标)选修7&8Unit 3 Under the sea备课ppt课件，共30页。PPT课件主要包含了Turtle 海龟， Squid 鱿鱼，Coral 珊瑚，Clown fish， Clancy， A whaler，Anecdotes，Homework等内容，欢迎下载使用。

Tday, we’re ging t take a lk at the wrld under the sea.S, are yu ready?
Nw, we are n a snrkeling trip under the sea.
We’ll cme acrss a great variety f marine animals. Cme n!
What are they?
Lk. It’s cming twards us.
What’s this?
Sea star 海星
This lks beautiful!
Jellyfish 水母
Angel fish 天使鱼
Different kinds f little fish
Anemne fish 海葵鱼
A shark is cming. Lk ut! It’s dangerus.
He nticed us. We’d better leave him alne befre it’s t late.Bye, Mr Shark!
We are safe nw.And I caught a sea star near the shre.
If yu like, where can yu g t see mre abut the cean life?
n a bat trip
in bks, n the Internet, in the Ocean Park, n TV etc.
at an aquarium
In grups, make a list f plants and animals that live under the sea that yu and yur classmates have seen in any f the ways listed abve. Share what yu knw abut these plants and animals.
What’s happening in the pictures?
A Killer Whale
Whales are huge, intelligent seamammals. They breathe air thrugh blw-hles int lungs (unlike fish wh breathe using gills). Whales have smth, shiny, streamlined (流线型）bdies that mve easily thrugh the water.
What is a whale?
There are tw types f whales alive tday: tthed whales (齿鲸类) and baleen whales(须鲸类). Tthed whales have teeth and a single blwhle. They feed n eat fish and ther sea mammals. Baleen whales are larger than tthed whales. They are filter feeders (滤食者) that use baleen t sieve (过滤) fd, and have tw blwhles.
Classificatin f whales
Killer whales (虎鲸) belng t tthed whales, wh are the largest f the dlphins and king f the sea, biggest carnivre(食肉动物) f the sea, killing all kinds f animals in the sea, even the huge blue whale, like tigers n land, wrking in a team.
Average lifespan: 50 t 80 years Size: 7 t 9.7 m Weight: up t 6 tns
Killer whales
Baleen whales are characterized by having baleen plates fr filtering fd frm water, rather than having teeth. Baleen whales are generally larger than tthed whales, and females are larger than males. This grup includes the largest knwn animal species, the Blue Whale.
Baleen whales
What d yu think is happening inthe picture?
Read the intrductin f the passage npage 19 and then fill in the chart belw.
Pre-reading
At the beginning f the 20th century
Sutheastern cast f Australia
The killer whales helped the whalers kill baleen whales
Brief intrductin f the passage
Lk up the new wrds and expressins f the reading in the dictinary.2. Preview the reading: OLD TOM THE KILLER WHALE