
丁二烯产品中优级品中胺值()
A.小于1ppm
B.小于0.5ppm
C.小于1.5ppm


A.小于1ppm
B.小于0.5ppm
C.小于1.5ppm
2 Fill in the blanks with the words and phrases in Task 1. Change the form if necessary.
appreciate, apologize, refuse, grateful, log in/on, helpful, server
1)I'm afraid I have to your requirement of free shipping.
2)I for the mistake made. I'll send you a new one immediately.
3)The webpage is blank because there's something wrong with the .
4)I'm that you send me the Excel document.
5) If this email address is incorrect, please try to again with the account and password
you just used to sign up.
6)I'd it if you could give me some ideas of the gloves that are popular in your country.
7)Thanks for your suggestion on the product design. It's very .