车速里程表由车速表和里程表两部分组成，车速表指示。
A. 发动机转速
B. 行驶速度
C. 加速时间
D. 行驶里程
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What is the dialogue mostly about?
A. explaining a report
B. increasing bonuses
C. limiting advertising costs
D. generating income for a charity
The man thinks that TV advertising _____________
A. will be stopped.
B. should focus on charity.
C. caused profits to increase
D. wasn' t approved by executives
关键词广告是指显示在搜索引擎结果页面的网站链接广告，它属于CPC收费制.( )
A. 对
B. 错
搜索引擎优化前提是要找准关键词，优化时针对那些很少有人查找的关键词进行优化比较浪费时间。( )
A. 对
B. 错
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