Paragraph 4________A.Reason Why Not Many Scientis

Paragraph 4________

A.Reason Why Not Many Scientists Carry out This Research Nowadays.

B.Report about Washoe’s Progress in Learning Sign Language.

C.General Information about Washoe.

D.The Gardeners’ Contributions Recognized.

E.Debate on Chimps’ Intelligence.

F. Washoe’s Love for Three Young Chimps.