A、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"=""><font face="宋体">合同的当事人具有平等的民事主体资格</font></span>
B、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"=""><font face="宋体">合同是一种协议</font></span>
C、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"=""><font face="宋体">当事人订立合同是出于自愿</font></span>
D、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"=""><font face="宋体">合同的签订也可以经由当事人一方完成</font></span>