发布时间： 2017年02月03日
2015年6月英语四级考试已经结束，新东方在线第一时间发布2015年6月英语四级真题及答案，新东方在线老师也将会对英语四级真题及答案进行专业解析。
56、B It will protect them from sunburn
57、A I is ineffecitive in preventing melanomas
58、D Daily application of sunscreen helps reduce the incidence of melanomas
59、C It is not based on sirect observation of the subjects
60、A A Using both covering up and sunscreen.
61、B well-educated people tend to work longer.
62、B A rapid techonological advwnce.
63、A Economic groth 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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