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【单选题】
一般来说,脚手架的“一个步架高度”是( )。A.
1.0m
B.
1.2m
C.
2.0m
D.
2.4m
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反馈参考答案：
举一反三
【简答题】广播新闻评论
【单选题】Why is it often difficult and expensive for marketers to attract new customers?
A.
customers are easily persuaded by promotions
B.
many times customers base buying decision solely on satisfaction with past purchases and do not consider other alternatives
C.
customes routinely ignore promotional attempts
D.
for most products the market is saturated, meaning there is not many new customers to attract
E.
customers tend to be distrustful of new products
【简答题】按照今天对新闻评论的理解，我国的新闻评论发端于什么时候?
【简答题】Marketers can use ___, ___ and ___ to occupy the target market.
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