在谈判实践中，产生僵局的首要原因常常在于（）
A.立场观点的争执
B.有意无意的强迫
C.人员素质的低下
D.信息沟通的障碍
参考答案：A
She asked her teacher_________.
A．how could she pass the mid-term exams
B．what could she pass the mid-term exams
C．how she could pass the mid-term exams
D．what she could pass the mid-term exams
劳动合同由用人单位与劳动者协商一致，并经用人单位与劳动者在劳动合同文本上（）生效。
A.注明日期
B.注明生效条件
C.签字或盖章
D.注明违约条款
