谈判作风因人而异。就谈判人员个体或集体在谈判中所显现的态度和姿态看，主要有强硬型、不合作型、阴谋型和（）型等风格，
参考答案：合作
People in Korea _____ bow when they meet for the first time.[ ]
A. supposed to
B. are suppose to
C. are supposed
D. are supposed to
分泌的黏液拉丝度不一样的是
A．人绒毛膜促性腺激素B．人胎盘生乳素C．雌激素D．孕激素E．前列腺素
