Pork ( 1 kilo): ₤18.20

Apples(1 kilo): ₤3.80     

Eggs (1 kilo): ₤ 6.50      

29. We can get our calories from rice, bread, vegetables, fruit, and water.

28. Teenage girls need fewer calories a day than teenage boys.

27. If you want to be fit, you need both healthy eating and regular exercise.

26.19% of the teenagers succeeded in controlling their weight by dieting and skipping meals.

(     )24. A. us              B. me             C. ourselves       D. myself