2.Take the stairs instead of the elevator.

1.Start today . Go outside for a walk.

30.A.way              B.mind              C.breath            D.heart        

29. A.bring in           B.dig up             C.bring back         D.take along   

28. A.walk              B.run              C.recite              D.practice    

27. A.excitement         B.satisfaction        C.sadness            D.anger       

26. A.check             B.change            C. provide            D.improve   

25. A.turned up          B.showed off         C.disappeared         D.came      

24. A.difficultly          B.slowly            C.easily              D.lowly