高二英語上冊完型填空練習（一）

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　　Washoe is a young chimpanzee(黑猩猩).She is no  1     chimpanzee, though. Scientists are doing research 2    her. They want to see how civilized(馴化)she can 3    .Already she can do many things a human being does.

　　For example, she has been learning how to exchange 4    with people. The scientists are teaching her 5     language. When she wants to be picked 6      , Washoe points up with one finger. She rubs her teeth with her finger 7     she wants to brush her teeth. This is done after every meal.

　　Washoe has also been 8     to find answers to problems. Once she was put in a 9      with food hanging from the ceiling. It was too high to 10    . After she considered the 11   ,she got a tall box to 12    . The food was still too high to be reached. Washoe found a 13   pole. Then she climbed onto the 14    , grasped the pole, and 15   down the food with the pole.

　　Washoe 16    like a human ,too. The scientists keep her in a fully furnished house. After a hard 17    in the lab, she goes home.    18    she plays with her toys. She  19      enjoys watching television before going to bed.

　　Scientists hope to 20     more about people by studying our closest relative ----- the　

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