The sentence They are free to listen to and l
问题详情
The sentence "They are free to listen to and live by their circadian rhythms. "(Para. 2) probably means_____.
A．They can lead their daily lives according to their biological clocks,without referring to a manmade clock
B．They can listen to the wonderful rhythms of the biological clock and live close to them
C．They can live by regulating their own circadian rhythms
D．They are free from the annoying rhythms of everyday life此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：词义题。第二段第六句话说“They learned that man’s biological clock actually keeps time with aday of a little less than 25 hours instead of the 24 hours on a man—made clock．an American doctor established a laboratory to study how our biological clock works．The people in his experiments areshut off from the outside world．They are free to listen to and live by their circadian rhythms．”这说明，人类可以根据自身的生物钟活动，无需根据人造钟。这与A符合。
