题目内容

Only ______of the class failed the final exam last term, which means the new teaching method is effective.

A. one tenth
B. one ten
C. first ten
D. first tenth

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Mike is a kind-hearted person and he often goes to the charity house to look after _____disabled there.

A. /
B. the
C. an
D. a

_____young man is appointed manager of the sales department due to his excellent performance.

A. The; a
B. A; the
C. /; the
D. The; /

That computer company 's sales have decreased by ______ this year.

A. 15 percent
B. 15 percents
C. percent of 15
D. the percent of 15

亚马逊广告分为两类,PPC广告和DSP广告,PPC广告即自助式广告,包括赞助品牌广告、赞助产品广告。而DSP则是亚马孙的托管广告,即产品展示广告。与PPC广告相比,DSP广告的费用更高,通常卖家需要支付3.5万美元来运行广告。

A. 对
B. 错

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