2. 职称英语
  3. A good title for this passage is ______. [br] The average number of hours of sle

A good title for this passage is ______. [br] The average number of hours of sle

游客2023-10-06  42
问题 A good title for this passage is ______. [br] The average number of hours of sleep that an adult needs is ______.
选项 A、approximately six hours
B、around ten hours
C、about eight hours
D、not stated here
答案 D
解析 从全篇看，作者没有谈到这个问题。
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