1. (2017八下·常熟月考)       If people are so tired, they will fall asleep almost anywhere. We can see there are people sleeping on the bus or train on their1  home from work in the evenings. A man is2the newspaper, and seconds later it seems that he is trying to eat it. Or he will fall asleep on the shoulder of the stranger  3next to him. Another short sleep goes on in the lecture hall where a student will start snoring(打鼾) so  4  that the professor has to ask another student to shake the sleeper awake. A more embarrassing(尴尬) situation happens when a student starts falling into sleep and the weight of the head pushes(推) the arm off the  5  , and the movement carries the rest of the body along. The student wakes up on the floor with no   6  of getting there. The worst time to fall asleep is when  7  . Police reports are full of accidents that happen when people fall into sleep and go off the road. If the drivers are   8  , they will not be seriously hurt. One woman's car, for example, went into the river. She woke up in four feet of  9 and thought it was raining. When people are really   10  , nothing will stop them from falling asleep--no matter where they are.