Before the main business of a conference begins, the chairman usually makes a short___________speech.
A: primary
B: preliminary
C: previous
D: preview
                    A: primary
B: preliminary
C: previous
D: preview
举一反三
- Before the main business of a conference begins, the chairman usually makes a short preliminary speech. In other words, he says a few things by way of introduction. preliminary:_________________________________________________________________ Clue word(s):________________________________________________________________
 - The body part of a business letter usually begins with reference to the previous letter received.
 - When preparing a speech introduction, you should usually A: preview the main points to be discussed in the body. B: gain the attention and interest of your audience. C: establish your credibility on the speech topic. D: all of the above.
 - The ______ needs of all animals are food, water, air and protection from their enemies. A: previous B: primary C: preliminary D: prior
 - The _____ estimate of an increase in gross national product suggested a fast recovery from economic recession. A: primary B: introductory C: preliminary D: previous
 
