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【简答题】
按要求书写： （1）羟基的电子式______； （2）相对分子质量为72且沸点最低的烷烃的结构______； （3）能与金属钠反应，但不能与氢氧化钠反应的芳香族化合物C 7 H 8 O是______； （4）含C、H、O三种元素的有机物，燃烧时消耗的氧气和生成的CO 2 、H 2 O之间物质的量之比为1：2：2，则此类有机物中最简单的一种是______； （5）相对分子质量为58的某烃，其核磁共振氢谱只有2个峰，则它的结构为______．
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反馈参考答案：
举一反三
【判断题】The family is the most important consumer buying organization in American society.
A.
正确
B.
错误
【单选题】In most markets, consumer surplus
A.
reflects economic well-being.
B.
reflects the total value that buyers place on goods or services.
C.
reflects the benefit to buyers mandated by government.
D.
All of the above are correct.
【简答题】Many manufactured products and most consumer goods in the United States are transported by ______________ 。
【单选题】The park_we had a picnic last week is pretty beautiful.
A.
in where
B.
which
C.
where
D.
that
【单选题】What is the most important consumer buying organization in society?
A.
family
B.
social class
C.
membership group
D.
subculture
E.
reference group
【简答题】R________ speaking, most consumer goods in in Wal-Mart are cheaper than those in other supermarkets.
【单选题】The most direct way to market a consumer good is
A.
producer to wholesaler to retailer to consumer.
B.
Producer to retailer to consumer.
C.
Producer to agent/broker to wholesaler to retailer to consumer.
D.
All of the above are equally direct in terms of providing a consumer good to the buyer.
【简答题】R________ (相对地)speaking, most consumer goods in in Wal-Mart are cheaper than those in other supermarkets.
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