Section A26. [E] challenges27. [J] searched28. [D] categorizing29. [K] similarities30. [L] slightly31. [G] percentage32. [O] traditional33. [ I ] regardless34. [H] proving35. [M] suggests Section B36. [I]37. [D]38. [J]39. [F]40. [B]41. [H]42. [C]43. [K]44. [G]45. [E] Section Cpassage one46. [B] He intends to get rid of the tipping practice.47. [C] It forces the customer to comensate the waiter.48. [D] They can have some say in how much their servers earn.49. [A] Services quality has little effect on tip size.50. [D] Waiters should be paid by employers instead of customers. passage two51. [C] The impact of cheap oil on global economic growth.52. [D] Consumers will spend their savings from cheap oil on other commodities.53. [C] They use their money reserves to back up consumption.54. [B] Its negative effects more than cancel out its positive effects.55. [A] People are not spending all the money they save on gas.
