题目内容

在现代信息社会中，广告公司具有哪些新型职能与作用？

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The sentence "your body is responsible to the laws of chemistry and biology"(Line 2, Para. 7) shows that
[A] you will be punished by lowering your chemistry and biology scores.
[B] the police are employing the laws of chemistry and biology when punishing you.
[C] your physical body will suffer.
[D] you have to be responsible for your own body.

Sound is produced by
[A] vibrations of an object passing through the air.
[B] spreading of waves after a rock being tossed into a pond.
[C] thunders.
[D] a flying plane.

简述早期叫卖广告产生的背景以及有哪些形式。

近代广告公司的产生发展经历了哪几个阶段，各个阶段分别具有哪些特点？对广告业发展有何影响？