The function of the intruction in a speech includes（）
A. Gaining the attention of the audience
B. Gaining the good will of the audience
C. Stating the purpose of the speech
D. Previewing the structure of the speech
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下列分子的稳定性强的是（）
A. HF
B. HI
The proper idea for demonstrative speech is（）
A. Karate techniques
B. My Favorite Misheard Song Lyric
C. What is the average salary in different countries and what causes the difference
D. Should there be stronger limits on immigration
The TED speech “When do kids start to care about other people’s opinion？” belongs to（）
A. Oratorical Speech
B. Debate Speech
C. Informative Speech
D. Entertaining Speech
关于MTV，何者错误（）
A. 音乐电视频道（Music Television）源自于美国
B. 是一种以音乐为听觉表现形式，以活动画面为视觉表现形式
C. 主要在电视上播出，以推销音乐商品
D. 后来指音画结合的艺术电影艺术形式
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