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全国公共英语等级考试(PETS)二级考试模拟题
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 (驯化) 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.
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 (驯化) 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.
