仔细阅读 答案
Passage One
56. B) It will protect them from sunburn.
57. A) It is ineffective in preventing melanomas.
58. D) Daily application of sunscreen helps reduce the incidence of melanomas.
59. C)It is not based on direct observation of the subjects.
60. A) Using both covering up and sunscreen.
Passage Two
61. B) Well-educated people tend to work longer.
62. B) A rapid technological advance.
63. A) Economic growth will slow down.
64. C) Even wealthy people must work longer to live comfortably in retirement.
65. D) Skills are highly valued regardless of age.
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