2. 外语
  3. More than one million Americans participated in the six-year study. Sleeping for less than 5 hours each night is better than sl

More than one million Americans participated in the six-year study. Sleeping for less than 5 hours each night is better than sl

admin2009-06-15  45
问题 More than one million Americans participated in the six-year study.
Sleeping for less than 5 hours each night is better than sleeping for 5 hours.
选项 A、Right
B、Wrong
C、Not mentioned
答案B
解析
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