填空题 There are times when people are so tired that they fall asleep almost anywhere. We can see there is a lot of sleeping on the bus or train on the 1 home from work in the evenings. A man will be 2 the newspaper, and seconds later it appears as if he is trying to eat it. Or he will fall asleep on the shoulder of the stranger 3 next to him. Another place where unplanned short sleep goes on is in the lecture hall where a student will start snoring(打鼾) so 4 that the professor has to ask another student to 5 the sleeper awake. A more embarrassing(尴尬) situation occurs when a student starts falling into sleep and the 6 of the head pushes the arm off the desk, and the movement carries the 7 of the body along. The student wakes up on the floor with no 8 of getting there. The worst time to fall asleep is when driving. Police reports are full of accidents that occur when people fall into sleep and go off the roa d. If the drivers are 9 , they are not seriously hurt. One woman"s car, for example, went into the river. She woke up in four feet of water and thought it was raining. When people are really 10 , nothing will stop them from falling asleep—no matter where they are.

A. way B. delivering C. sitting D. loudly
E. weight F. rest G. lucky H. tired
I. track J. reading K. bravely L. shake
M. strength N. memory O. calm