人教版新课标高中英语必修二 unit4 wildlife protection Using l

Unit 4

Wildlife protectionUsing language

What’s your impression of the dinosaur? Large/huge strong cruel

violentfierce

……

fierce adj. 凶猛的, 好斗的 Tigers and lions are very fierce animals. 激烈的, 猛烈的 The competition for the job is fierce.

How much do you know about dinosaurs?三角龙

Triceratops

Pterosaur 翼龙

tyrannosaurus霸王龙

Stegosaurus剑龙

kinds of dinosaursplant-eaters meat-eaters

Guessing What might be the reasons for their extinction?disaster? climate changing? over hunting? …

Reading

Animal Extinction

1. When did dinosaurs live?They lived on the earth Tens of millions of years ago, long before humans came into being.

2. When did dinosaurs disappear?Dinosaurs died out suddenly about 65 million years ago.

3. What’s the rare new species ofdinosaurs discovered in Liaoning Province? A bird-like dinosaur which could

not only run but also climb trees.

4. What might be the possible reasons for their extinction?Maybe that’s because a huge rock from space hit the earth and put too much dust into the air or because the earth got too hot to live on.

True or False?1. There are many different species of dinosaur and all of them have been found in China. F several

2. Not long ago, a rare new species of bird-like dinosaur was discovered in Henan Province. F Chaoyang country

3. Some scientists are sure dinosaurs died out because the earth got too hot for the dinosaurs to live on any more. Fthink 4. Dinosaurs died out quickly about 65 million years ago and many other animals have died out more recently. T

5. Scientists learned that the bird-like dinosaurs could not only run like the others but also climb the trees by inspected their bone fossil. Tvt. To examine carefully and strictly

6. According to a UN report, dodo has disappeared as well as many other animals and plants in the last 5 centuries.T

Language points1. They lived on the earth tens of millions of years ago, long before humans came into being. 千百万年前, 早在人类产生之前, 它们

就生活在地球上。

1) on the earth. 在地球上。在earth, sun,

moon等表达世界上独一无二的名词前,要加the。2) come into being 开始存在; 发生

我们不知道这世界是什么时候存在的。

We don’t know when the world came

into being.

There is a story about how the word

“sandwich”___________A. came into being B. was came into being

C. came to power

D. was came to power

▲区别 come into being appear arise

1)I don’t know what to do if a new arises situation ________. 2)He didn’t appear until six o’clock. ________

3)When did the world _______________? come into being