Task 1:

16、Para（   ）

17、Para（   ）

18、Para（   ）

19、Para（   ）

A.Taking good care of yourself.

B.Staying in bed for the entire day.

C.Taking your attention away from illness.

D.Knowing where and how to get medicine.

E.Informing friends and family of your illness.

Wild pigs sometimes cause traffic problem.

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

Researchers Chose same twins for their study mostly because they（   ）

• A、Shared the same DNA.
  
  

• B、looked alike
  
  

• C、had the same lifestyle
  
  

• D、grew up together