- A.is a way to reduce weight
- B.sometimes increase weight
- C.is a sure way to keep one healthy
- D.can convert fat to muscle
- A.will also cause one to get fat
- B.wjll cause one to do 1ess sports
- C.wiumake one forget the fact that he is fat
- D.will lead one to bad eating habits
- A.encourage a long—term diet for everyone
- B.be more considerate and give detailed advice
- C.first consider why so many people arefat
- D.do aU of the above
- A.gets fat in the twenties
- B.gets fat in his middle age
- C.is born fat
- D.gets fat when he is child
- A.We Can Live Longer in the 21 st Century
- B.Cancer to Be Conquered in the 21 st Century
- C.The Final Frontier of the 21 st Century
- D.Scientific Breakthrough of the 2 1 st Century
- A.know how particular ceHs work
- B.store detailed images in our brain
- C.find out the number of brain cells
- D.operate on patients with brain disease
- A.science provides mediical solutions
- B.tuberculosis will be a curable disease
- C.science influences literary development
- D.the genetic code helped cure tuberculosis