Contents Preface introduction unit 1

Fill the missing letters in these sentences with the words from the exercise # 1:

Cloning animals started way back in the 1950s when the first frogs were reproduced. In 1996 British scientists cloned the first mammal, a sheep called Dolly. Since then the _l _ _ _ _ _ of mice, cattle, cats and other mammals has been successful.

Animals have billions of _e_ _ _. The _u_ _ _ _s of such a cell has genetic information called DNA. This egg cell has the genetic information as that of the _o_ _ _ animal. The cell then grows into an _m_ _ _ _.

In therapeutic cloning stem cells are reproduced in order to create new organs and _i_ _ _ _. Some researchers use therapeutic cloning to understand _e_ _ _ _с _ _ _e_ _. Supporters argue that therapeutic cloning holds great promise to _ _l_ _i_ _ _ human suffering and advance human knowledge.

In assisted reproduction, the sperm of a male donor is brought together with the egg of a female donor, just like in natural _ _ _r_ _ _ _t_ _ _.

PLASTIC SURGERY

3. 
   Match these words with their appropriate pairs using the dictionary if necessary:
   

1. 
   Nose a) surgery
   
2. 
   Dental b) tuck
   
3. 
   Facial c) augmentation
   
4. 
   Ear d) job
   
5. 
   Breast e) braces
   
6. 
   Skin f) reconstruction
   
7. 
   Hair g) pinning
   
8. 
   Plastic h) lift
   
9. 
   Tummy i) graft
   
10. 
    Cheek j) replacement
    

4.