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六级冲刺练习：阅读（146）

发布时间：2016-03-03 编辑：查字典英语网小编

　　There is an experiment for this, or at least an 13 , made long ago by Karl Von Frisch and more recently 14 by James Gould at Princeton. Biologists who wish to study such things as bee navigation, language, and behavior in general have to 15 their bees to fly from the hive to one or another special place. To do this, they begin by placing a source of sugar very close to the hive so that the bees can learn what the game is about. Then, at regular intervals, the dish or whatever is moved 16 farther and farther from the hive, increasing about 25 percent at each move. Eventually, the 17 is being moved 100 feet or more at a jump, very far from the hive. Sooner or later, while this process is going on, the biologists 18 the dish of sugar will find the bees are out there waiting for them, 19 where the 20 position had been planned. This is

　　an uncomfortable observation to make.

　　A. confirmed B. phrase C. next D. shifting

　　E. observation F. remote G. progressively H. confronted

　　I. distant J. precisely K. quotation L. target

　　M. train N. proficiently 0. investigation

　　II. I 12. B 13. E 14. A 15. M 16. G 17. L 18. D 19. J 20. C

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