Washoe is a young chimpanzee. She is no ___41___chimpanzee, though. Scientists are doing research __42___her. They want to see how civilized(驯化) she can __43___. Already she can many things a human being does. For example, she has been learning how to exchange ___44___ with people. The scientists are teaching her ___45___ language. When she wants to be picked ___46___, Washoe points up with one finger. She rubs her teeth with her finger ___47___ she wants to brush her teeth. This is done after every meal. Washoe has also been trained___48___ to find answers to problems. Once she was put in a ___49___ with food hanging from the ceiling. It was too high to ___50___. After she considered the ___51___, she got a tall box to ___52___. The food was still too high to be reached. Washoe found a ___53___ pole. Then she climbed onto the ___54___, grasped the pole, and ___55___ down the food with the pole. Washoe ___56___ like a human, too. The scientists keep her in a fully furnished house. After a hard ___57___ in the laboratory, she goes home. ___58___ she plays with her toys. She ___59___ enjoys watching television before going to bed. Scientists hope to ___60___ more about people by studying our closest relative — the chimpanzee. 41. A. foolish B. ordinary C. special D. simple 42. A. for B. by C. to D. on 43. A. experience B. change C. develop D. become 44. A. actions B. views C. messages D. feelings 45. A. sign B. human C. spoken D. foreign 46. A. out B. at C. on D. up 47. A. when B. until C. since D. while 48. A. raised B. trained C. ordered D. led 49. A. hole B. zoo C. room D. museum 50. A. pull B. see C. eat D. reach 51. A. problem B. position C. food D. ceiling 52. A. stand by B. stand on C. stand up D. stand with 53. A. straight B. strong C. long D. big 54. A. wall B. box C. ceiling D. pole 55. A. knocked B. picked C. took D. shocked 56. A. lives B. acts C. thinks D. plays 57. A. task B. lesson C. day D. time 58. A. Here B. There C. So D. Then 59. A. quite B. already C. even D. still 60. A. see B. answer C. gain D. learn
答案:41-45BDDCA 46-50DABCD 51-55ABCBA 56-60ACBCD