【单选题】The mid-sixties saw the start of a project that, along with other similar research, was to teach us a great deal about the chimpanzee mind. This was Project Washoe, conceived by Trixie and Allen Gardn...
A.
chimps may have more than one way to fetch food
B.
chimps can associate one sign with another in a meaningful way
C.
chimps can learn the signs of ASL, the American Sign Language used by the deaf
D.
chimps have their particular ways for finding what they want
【单选题】Reruns of situation comedies from the fifties and early sixties dramatize the kinds of problems that parents used to have with their children. The Cleavers scold Beaver for not washing his hands be fo...
A.
today's children are not obedient and they think their parents' warnings are of no value.
B.
today's parents are so busy working that they have no time to take care of their children.
C.
today's parents have to keep their children from too many distractions and bad influence.
D.
today's teachers fail to do their work well and set bad examples for students.