[单项选择]Most of us would like to feel we have some influence over what happens around us and to us. Citizens speak out to influence policy on use of nuclear power, conserving the environment and endangered animals, local and state taxes, the appropriate use of funds by organizations of which they are members, proper land use and the nature of education in the public schools, and a host of other issues. Some of these affect the speakers’ immediate self-interest; others are attempts, to make the social environment conform more closely to their own ideas. To speak on such matters effectively enough to influence the opinions and actions of others is to exercise power.
Even in jobs relying on technical specialization, the opportunities and demands for public speaking skills remain more common than many college students realize. The engineer finds that if his career is to advance he must be willing to accept management duties that include speaking to groups of employees, or he must serve as a s
A. the importance of speaking before the public
B. the techniques and strategies in public speaking
C. the purposes and aims of a speech course
D. the most civilized ways to exert our influences