A.sleep is important for good mental and physical health
B.a light sleep is as restful as a deep sleep
C.memory is improved during sleep
D.sleep is relatively unimportant for human beings
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]After a day' s hard work, we need some sleep. During the sleep, the fatigue
[单选题]________tired after a day's work, she fell into bed and went straight to sl