精选优质文档-倾情为你奉上完形填空专项练习(1) Washoe is a young chimpanzee(黑猩猩).She is no 1 chimpanzee, though. Scientists are doing research 2her. They want to see how civilized 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 5language. When she wants to be picked 6, Washoe points up with one finger. She rubs her teeth with her finger 7she wants to brush her teeth. This is
