Using LanguageⅠ第二课时教案

Unit 2 Using Language教学设计

The Return of the Dinosaurs?

Step 1 Lead-in

Let Ss enjoy some pictures about dinosaurs.

Step 2

Scanning : Listen to the passage and choose the best answers. 1.The writer of the text_____

A. is excited by the possibility of cloning fierce and extinct animals

B. believes that extinct animals can be brought back to life by cloning C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs

D. dreams of dinosaurs returning to the earth 2. The film Jurassic Park is popular because _____.

A. people are interested in the subject of cloning

B. all the actors are dinosaurs

C. it was directed by a scientist who clones dinosaurs

D. it proves very interesting 3. Which of the following is true? ____ A.

Mice were cloned in 1981. B. Dolly the sheep was the first cloned animal. C. The name of the cloned cow is “Bison”

D. China was successful in cloning mammals. 4. The reasons why a group of cloned animals all die of the same illness do NOT include____.

A. they have the same arrangement of genes

B. there isn’t enough diversity in the group for it to overcome illnesses

C. the illness is a new one

D. their arrangement of genes can not resist that new disease 5. We can infer from the text that____

A. scientists are experimenting to clone dinosaurs B. dinosaurs will never return to the earth C. cloned animals will only live in the zoo D. the DNA of dinosaurs can only survive 10 000 year Step 3. Careful reading ---Ask Ss to read the text carefully again and fill in the blanks. People interested in

Not only film makers but also ______________

Perfect DNA is needed. _______ for its impossibility

There is not enough ________ in the group.

A (n) ______________ would be needed for the cloned extinct animals. __________

Step 4. Language points 1. Others will survive and pass on the ability to resist that disease to their children. resist

vt ______________________________________________ They resisted the attack.

__________________________

She resisted being carried off.

_______________________

She could not resist the temptation.

_____________

拓展：

n.抵制，反抗

adj. 抵制的；有抵抗力的

The chance of dinosaurs returning to the earth is

______________ .