The letterhead helps to form the impression of the writer’s firm, usually containing all or some of the following elements: the company’s name and address, postcode, telephone number, fax number, e-mail address, even web address, and etc.

The letterhead helps to form the impression of the writer’s firm, usually containing all or some of the following elements: the company’s name and address, postcode, telephone number, fax number, e-mail address, even web address, and etc.
A.正确
B.错误
正确答案：A