非语言沟通的障碍有（）。
A.谈判者有意识的行为
B.谈判者的经验
C.谈判者之间的关系
D.非语言环境
参考答案：A, B, C
----My car broke down yesterday on the way to the Yue Lu mountain.
----I am sorry to hear that, but you _______that car every day for ten years before it broke down. Now you really need to buy a new one.
A. have used B. have been used C. had used D had been used
去除血液中自细胞可有效预防的输血不良反应是
A．非溶血性发热性输血反应B．过敏反应C．细菌污染反应D．急性(即发性)溶血性输血反应E．迟发性溶血性输血反应
