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45. 21. European researchers are conducting hibernation experiments to ______. A. ensure astronauts to get a plete sleep B. find the secret of some creatures C. make preparations for the journey to Jupiter39。s moon Callisto D. know if man can sleep for years 22. The sentence “ What seems like science fiction is not pletely unlikely” means ______. A. Science fiction is people’s imagination. B. Science fiction is imaginative, but it can be realized. C. Things seem impossible may e true. D. Things described in science fiction are sure to bee true. 23. The passage implies but doesn’t states that ______. A. putting living cells into a sleeplike state is full of failure B. Biggiogera is not confident enough with the experiment C. human’s hibernmation needs no energy 各類考試歷年 試題答案免費(fèi)免注冊(cè)直接 下載 全部 WORD 文檔 第 4 頁(yè) D. medical research is the key to space flight hibernation system 24. By designing a suitable protective shelter, astronauts can______. A. have a good hibernation B. 1essen the pressure of traveling in space C. feed themselves in spaceship D. monitor their body changes 25. What’s the best title for the passage? A. Six humans to fly to Callisto B. Human hibernation improves health C. Space travel attracts people D. Deep sleep for deep space travel Passage Two Maggie was very glad that James was not a frequent visitor to the house. So far as the children were concerned, they had a mystery about him that stirred their imagination. He stirred Maggie’s anger, however, So that she often said to her husband, “It’s mercy that brother of yours doesn’t e oftener. ’’ In fact James came once a year, unexpectedly, around eight o’clock in the evening, and he stayed for six hours of close discussion with his brother. His arrival was a signal to the children that their bedtime would be delayed. Not that he ever spoke to them or played with them. He took no notice of them, as if he was unable to see children, at least until the time came for him to go. Instead, after his first greeting and a careless kiss, James took no notice of Maggie either, except to add, You39。ll be getting on with the supper, Maggie. Such was his regard for her. Maggie paid him back in her own way. She kept the children up, the four of them, to keep her pany, she said, but of course they sang and made a noise and broke the endless sound of James39。 voice. Very late, they dropped off to sleep in their chairs. Then, when James was about to go, Maggie woke them up and so more or less forced him to par