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

2

Respostas

2013-12-02T23:40:32-02:00
b- The remaining oxygen which does not produce energy is converted into free radicals .
2013-12-03T13:25:34-02:00
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)