第1题正确答案；②错。［解析］《中华人民共和国经济合同法》（以下简称《经济合同法》）第九条规定：“当事人双方依法就经济合同的主要条款经过协商一致，经济合同就成立。”经济合同的主要条款，根据《经济合同法》第十二条的规定，除了本题所述的五项外，还包括“据法律规 The first question the correct answer; ② wrong. [Analysis] “Economic Contract Law of the People's Republic of China” (hereinafter referred to as “Economic Contract Law”) Article IX: “The two parties to the parties by law on the main terms of the economic contract by consensus, the economic contract will be established.” The main provisions of the economic contract , According to the provisions of Article 12 of the “Economic Contract Law”, in addition to the five items described in this question, it also includes "according to the law