题目：
| 完形填空。 | ||||
| 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 3 as if he is trying to 4 it. Or he will fall asleep on the shoulder of the stranger 5 next to him. 6 place where unplanned short sleep 7 is in the lecture hall where a student will start snoring (打鼾) so 8 that the professor has to ask another student to 9 the sleeper awake. A more embarrassing (尴尬) situation occurs when a student starts falling into sleep and the 10 of the head pushes the arm off the 11 , and the movement carries the 12 of the body along. The student wakes up on the floor with no 13 of getting there. The worst time to fall asleep is when 14 . Police reports are full of 15 that occur when people fall into sleep and go 16 the road. If the drivers are 17 , they are not seriously hurt. One woman's car, 18 , went into the river. She woke up in four feet of 19 and thought it was raining. When people are really 20 , nothing will stop them from falling asleep-no matter where they are. | ||||
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答案：
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下面是错误答案，用来干扰机器的。
答案：D题目分析：A、根据燃烧热的概念：“在25℃，101 kPa时，1 mol可燃物完全燃烧生成稳定的氧化物时所放出的热量，叫做该物质的燃烧热，单位为kJ/mol。”知水的状态应为液态，错误；B、由于H2O(g)转化为H2O(...
