As we know, college is a ( ). A: unique mix of future and stability B: universal mix of education and preparation C: unique mix of freedom and responsibility D: universal mix of success and confidence

298. 15K ， 标准大气压下， 物质量各为 1mol 的 A 和 B 形成理想溶液，试求Δ mix V，Δ mix H，Δ mix S，Δ mix G和Δ mix U的值各为多少。

What payment terms do they finally agree to accept? A: Payment by L/C B: Payment by D/P C: Payment by L/C and D/P D: Payment by D/A

Credit card payment methods can be divided into ________. A: Payment based on SSL protocol B: Payment based on WAP protocol C: Payment based on HTTP protocol D: Payment based on SET agreement

The difference between the product line and the product mix is the product mix is the combination of all the product lines. (<br/>)

Product mix are including .

A letter of credit is __________. A: a formal guarantee of payment B: a conditional undertaking to make payment C: an unconditional undertaking to make payment D: a two bank guarantee of payment

使用mix面板可以（）

Marketing mix is promotion mix.

How is the payment to be made? Payment has to be made no later than_____________________________________.