課后練習：

1． Buteven if you never give another speech in your life, you still have much to ___from studying public speaking.

A. gain B. grain C. train D. rain

2. The training is ___ for every type of communication.

A. worthless B. invaluable C. costless D. value

3. In conversation, almost without thinking about it, you___ a wide range of skills.

A. explore B. employ C. purify D. multiply

4. You tailor your message ___ your audience.

A. about B.for C. to D. in

5. You ___ to feedback from your listener.

A. adapt B. adopt C. apply D. analyze

6. It usually imposes strict time limitations ___ thespeaker.

A. in B. on C.about D. with

7. Listeners ___ negatively to speeches loaded withslang, jargon, and bad grammar.

A. act B. react C.interact D. transact

8. Public speaking demands a different method of ___.

A. deliver B. delivery C. delicate D. delete

9. Effective speakers adjust their voices ___ the largeraudience and work_____ avoiding distracting physical mannerism and verbalhabits.

A. at, to B. in,at C. to, at D. to, for

10. Your speech class will give you an opportunity togain confidence and make your nervousness work for you ___ against you.

A. more than B. apart from C. rather than D. instead

11. You will take a big step toward overcoming stagefright if you think _____, choose speech topics you really care about, preparethoroughly, and concentrate on communicating with your audience.

A. positive B. post C. position D. positively

12. The speech communication process ___ includes sevenelements.

A. in the hole B.at a whole C. asa whole D. to the whole

13. The speaker is the person who ___ a speechtransaction.

A. initial B. initiates C. initiation D. initiative

14. Whatever the speaker communicates is the message,which is sent ___ a particular channel.

A. by all means B. by no means C. by any means D. by means of

15. Interference is anything that ___ the communicationof a message.

A. impact B. imports C. impedes D. impair

16. The interaction of these seven elements is whatdetermines the ___ in any instance of speech communication.

A. outcome B. income C. become D. welcome

17. They do this by doing well-informed about theirsubjects, being honest in what they say, by using sound evidence, and byemploying reasoning.

A. valley B. value C. vary D. valid

答案：1A 2B 3B 4C 5A 6B 7B 8B 9C 10C

11D 12C 13B 14D 15C 16 A 17 D