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1)      Read  the conversation between a husband and wife
watching Tv:


Wife:
Just look at Paul McCartney he still got “IT “ , doesn´t he?

Husband
: He sure does ! I hope I look that good when I´m his  age!


Wife:
You don´t look that good now!

Scientists
think that the cause of ageing is oxygen .Which of the statements below
emphasizes ageing according to what is mentioned in the cartoon.

a-      Part of the oxygen we breathe does not convert proteins into energy .

b-     
The
remaining oxygen which does not produce energy is converted into free  radicals .


c-      
Free
radicals destroy molecules which can cause damage and produce wrinkles.


d-     
Free
radicals can also result in conditions such as Alzheimer´s Disease.


e-     
Hormones
are not available to neutralize free radicals 
yet .z


Sagot :

b- The remaining oxygen which does not produce energy is converted into free radicals .
C
É abordado no texto que o marido já não está tão bem com a idade que tem. O Paul MCartney vende saúde - ou seja está bem conservado. 
Ou seja, a hipótese tem de abordar a presença e a falta de oxigénio e as suas reações com a pele que provocam danos e produzem então as rugas! Essa é a hipótese C)