()凭保函签发清洁提单是商业习惯允许的变通做法。
A．正确
B．错误
参考答案：对
人本主义心理学的代表人物有马斯洛、（）等人。
A.罗杰斯
B.布鲁纳
C.布卢姆
D.加涅
Elephants are very ______ and they often walk _______. [ ]
A. quiet; quiet
B. quiet; quietly
C. quietly; quiet
D. quietly; quietly
