填空题

  • A．If the Gardeners’ argument was sound
  • B．because she was cleverer than other chimps
  • C．when she wanted to eat
  • D．while she was at a research center in Ellensburg
    E Because she could use sign language to ask for fruits
    F while Washoe was learning sign language

Washoe thought three younger chimps sign language______

【参考答案】

D
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