複選題
Which of the following statements can be inferred from the passage?
(A)Mother rats usually take care of the pops.
(B)Calhoun had experimented with rats before.
(C)The rats in the experiments have deviant behavior because they fought for necessities of life.
(D)Calhoun manipulated the experiment so that the only factor that caused stress is overpopulation.
答案:登入後查看
統計: A(430), B(180), C(353), D(448), E(31) #325432
統計: A(430), B(180), C(353), D(448), E(31) #325432