牛津譯林版英語(yǔ)高一上冊(cè)單元測(cè)試-module2unit2(參考版)
2024-11-19 18:47本頁(yè)面
【正文】 and it does not protect us from trouble that es looking for us. So we sleep well when we are in a familiar, safe place, but we sleep lightly, if not at all, when we fear that bears will nose into the tent. The evolutionary theory explains the differences in sleep among creatures. Why do cats, for instance, sleep so much, while horses sleep so little? Surely cats do not need five times as much repair and restoration as horses do. But cats can afford to have long periods of inactivity because they spend little time eating and are unlikely to be attacked while they sleep. Horses must spend almost all their waking hours eating, because what they eat is very low in energy value. Morever, they cannot afford to sleep too long or too deeply, because their survival depends on their ability to run away from attackers. 49. The author used the example of the robot in space exploration to tell us ______. A. the differences between robots and man B. the reason why man needs to sleep C. about the need for robots to save power D. about the danger of man working at night 50. Evolution has programmed man to sleep at night chiefly to help him ______. A. keep up a regular pattern of life B. prevent trouble that es looking for him C. avoid danger and inefficient labor D. restore his bodily functions 51. According to the author, we cannot sleep well when we are ______. A. worrying about our safety B. overworked C. in a tent D. away from home 52. Which of the following is the main idea of the passage? A. Evolution has equipped all creatures with a regular pattern of sleeping and waking. B. The study of sleep is an important part of the evolutionary theory. C. Sleeping patterns must be taken into consideration in the designing of robots. D. The sleeping pattern of a living creature is determined by the food it eats. BBABC ABCAA DDCBC DDADC 2125 BACAC 2630 CAADB 3135 DCDBC 3640DABDA 4145 CBBCC 4650DABBC 5155AA 。H A. might have done B. must have done{0C. might be doing D. must doG 16. The number 2020 is a special number, ________ I think, that will be remembered by the Chinese for ever. A. what B. it C. which D. one 17. The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow. A． should B． must C． will D． can 18. Today’s young men are greatly different from _________. A. those of the past B. that of the past C. as the past D. those past 19. ______________ in the school rule, boy students shouldn39。t have attended D. shouldn39。t have attended B. needn39。 ran out o
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