Joke Collection Website - Bulletin headlines - The slogan of honor is good.

The slogan of honor is good.

① ③ In line with the meaning of the question, the three companies promoted the listing of new mobile phones, and the advertising slogans were tit for tat, because they were competitors in the same industry and economic organizations engaged in production and business activities for the purpose of profit;

(2) Misexpression, advertising is conducive to expanding the visibility of enterprises, but it is not a necessary condition for the survival and development of enterprises;

(4) has nothing to do with the topic, has nothing to do with the material content.

Therefore, this question chooses C.