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
填空题
Washoe could make signs to communicate______
填空题
Some scientists doubted______
填空题
Washoe thought three younger chimps sign language______
填空题
The experimenters thought Washoe was intelligent______