As requested _____ your E-mail of October 1, we are sending you _____ the required quotation sheet.

A:in, herewith B:for, herewith C:for, in D:on, herewith

（），we are airmailing you our latest quotation-sheet.

A:As request B:At request C:As requested D:At requested

We（）your letter of Nov. 3 asking us to make a quotation.

A:goover B:haveread C:referto D:checkup

直接标价法(Direct Quotation)

间接标价法(Indirect Quotation)

美元标价法(In-US-Dollar Quotation)

Why does the author put "neutron star" in quotation marks?

A:It is a special term of astronomy. B:It is an invented term. C:He is quoting an authority. D:He is using the term ironically.

We are making you our quotation for shoes ____.

A:as follows B:as following C:as follow D:following