下载后可任意编辑高三英语阅读理解复习题 16高三英语阅读理解复习题 16 英语阅读练习二 一、完形填空 At the beg inning of this cen tury, medical scie ntists made an interesting discovery; we are built not just of flesh and blood but also of time
They were 36 to show that we all have body'block ” 37 us, which con trols the 38 and fall of our body en ergies, 39 us differe nt from one day one to the n ext
The 40 of “ a body clock ” should not be todsince the lives of most livi ng thi ngs are con trolled42 the 24 hour ni ght-a nd-day cycle
We feel 43 and fall asleep at ni ght and become 44_ and energetic during the day
If the 24 hour-cycle is 45, most people experienee unpleasant 46
For example, people who are not 47_ to working at night can find that 48 of sleep causes them to 49_ badly at work
50 the daily cycle of sleep ing and