3. By saying “l(fā)ike chalk screeching on a blackboard” （Para. 3）, the

author ________.

 A. refers to the feeling an unpleasant voice arouses in the audience

 B. points out that one needs to use chalk to write on the blackboard

 C. means that one should speak loud enough for all audience to hear

 D. stresses that one must put energy and resonance into his or her

voice

4. When asked a hostile question, one should________.

 A. answer quickly and briefly                   B. ignore the question

totally

 C. defend himself or herself firmly            D. respond smartly and

pleasantly

5. Which of the following is NOT true according to the passage?

 A. One should look out for tough questions from an audience

beforehand.

 B. One should spend a lot of time preparing before talking to an

audience.

 C. If one looks active and vigorous, the audience will respond

accordingly.

 D. If one makes a thorough preparation he won’t be nervous at all in

a speech.