单项选择题

· For questions 23-30, mark one letter A, B or C for the correct answer.
Search engine is important because ______.

A. search engines are at the front lines of all online advertising campaigns
B. search engine optimization (SEO) improves your company rankings
C. search engine has relevant online search keywords and terms

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单项选择题Which is right about Pay-Per-Click (PPC) advertisement

A. They are picture ads.
B. They are expensive.
C. They charge by customers’ click amount.

单项选择题Which is right about banner ads

A. They are always very attractive.
B. They come in identical shapes and sizes.
C. They improve online brand awareness.

· For questions 23-30, mark one letter A, B or C for the correct answer. Search engine is important because ______. 您的浏览器不支持 audio 元素。

· For questions 23-30, mark one letter A, B or C for the correct answer.
Search engine is important because ______.