Chapter One： Public speaking：What and why？ 1.4 Testing
1、 The nature of public speaking is communication. Communication can be defined as:
A:Exchange by words, letters, or messages; interchange of thoughts or opinions, by conference or other means; conference; correspondence.
B:People e-mailing each other
C:o People screaming at each other
D:People talking on the phone
E:All the answers are correct.
答案: All the answers are