单选题  题干：An inquiry letter is usually written to ask for ________ about products or services.

单选题  题干：Besides the elements of headline, subhead, an advertising copy includes body copy, slogan, _______ and logo.

单选题  题干：Which of the following letters is to fulfill the task of immediate sales to customers?

单选题  题干：In business, an order is a ______ to supply a specified quantity of goods on the terms and conditions agreed upon by the seller.

单选题  题干："For gums so healthy, your teeth will thank you. "(Crest chewing gum) What device is used to write this headline?

单选题  题干：The address of the receiver should be written ______of the envelope.

单选题  题干：The format is the visual organization of a business letter; there are _____ formats in writing business letter.

单选题  题干：A (An)_______ is a promise to sell goods at a stated price within a stated period of time.

单选题  题干：The envelope should include the return address in the ________ corner.