题目内容

好的比较购物助手往往能及时的更新商品信息，使买家一目了然的了解市场上某类商品的排名变化、价格变化、买家评论，为自己的购物提供实用有效的购物参考。（）

A. 对
B. 错

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返利导购网站的返利模式，是以实际销售商品的数量来换算广告刊登金额，即按销售额提成付费（Cost Per Sales，CPS）模式。（）

A. 对
B. 错

Tom’s marks were excellent, by _______with Harry’s.

A. contrast
B. compare
C. contract
D. counter

This semester is coming to an end. I ___________ taking a vacation next week.

A. has thought of
B. am thinking of
C. could think of
D. had thought of

The train is late for 20 minutes. Why are there always so many _______?

A. delay
B. delays
C. relay
D. relays