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【单选题】
()汽车广告媒体形式信息单一、内容不能经常更新,但是广告展露时间长、费用低、竞争少、视觉冲击力强。A.
电视最有效、最直观，有较强吸引力、震撼力，触及面广
B.
电视最有效、最直观，有较强吸引力、震撼力，触及面广
C.
.广播的优点是大众化宣传，地理和目标顾客的选择性强，收听灵活，成本低
D.
.户外广告的优点是灵活，广告展露时间长，费用低，竞争少，视觉冲击力强
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举一反三
【单选题】Because speechmaking is a form of power, we must always be sure to speak
A.
concisely.
B.
persuasively.
C.
ethically.
D.
forcefully.
【单选题】Because speechmaking is a form of power, we must always be sure to speak __________.
A.
forcefully
B.
persuasively
C.
confidently
D.
ethically
【单选题】As your textbook makes clear, speechmaking carries heavy ethical responsibilities because it is a form of
A.
power.
B.
authenticity.
C.
self-expression.
D.
communication.
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