4. Language point

Ask Ss to go through the text, and find out the following sentences and analyze them.

(1) The popularity of the film Jurassic park, in which a scientist clones several different kinds of extinct dinosaurs, proves how interested ordinary people are in the subject.

(2) This is because the cloning of mammals is still a new science and its story began seriously in the 1950s as this chart shows:

(3) From time to time people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly be brought back to life through cloning.

(4) Unfortunately, with what we know now, this is either impossible or unsuitable.

(5) The advantage is that if there is a new illness some of these animals may die, but others will survive and pass on the ability to resist that disease to their children.

(6) It would be unfair to clone any extinct animals if they would have to live in a zoo.

(7) Based on what we know now, you cannot clone animals that have been extinct longer than 10,000 years.

Step 2. Reading task (Workbook)