47. a driver’s attention

48. equivalent in difficulty to driving

49. more time

50. more complicated task

51. punishment

52. D) the shrinking primary care resources

53. C) the more doctors taking care of a patient, the better

54. A) see more patients at the expense of quality

55. B) The current system works against primary care.

56. D) Bridge the salary gap between specialists and primary care physicians.

57. B) The air quality around Berkeley’s school campuses is poor.

58. B) Widespread panic

59. A) They didn’t know who to believe.

60. B) Attention should be paid to toxic chemical exposure

61. A) the uncertain

62 B) launching

63 D) brands

64 B) condemn

65 A) in

66 C) industry

67 B) exclude

68 D) including

69 C) unnecessary

70 C) to

71 B) incentives

72 C) strategic

73 A) spokesman

74 D) underway

75 B) responsibility

76 B) on

77 C) minimize

78 C) so

79 C) individual

80 A) despite

81 D) tackle

82. It depends on how often you wear it

83. a challenge to many traditional concepts

84. could have attended the meeting in person (by himself)

85. a balance diet is essential to health

86. regretted as I felt