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【多选题】
公共关系传播的特点包括?A.
目的性
B.
信息的可信性
C.
内容的新颖性
D.
过程的双向性
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】茶多酚(Tea Polyphenols)是茶叶中多酚类物质的总称。茶多酚中的活性物质没食子儿茶素(EGC)具解毒和抗辐射作用，能有效地阻止放射性物质侵入骨髓，其结构如下图所示。 关于EGC的下列叙述中正确的是：
A.
分子中所有的原子共面
B.
1 mol EGC与4 mol NaOH恰好完全反应
C.
遇Fe发生显色反应
D.
易发生氧化反应和取代反应，相对较难发生加成反应
【简答题】Very rich people generally have little genuine knowledge of fine wines.
【单选题】Nature is very easily destroyed by __.
A.
rich people
B.
poor people
C.
natural disasters
D.
mankind
【简答题】In Britain, there were a few very rich people who received money from land or investments, and did not need to work. They used to have large amounts of servants to look after them. There were also man...
【单选题】Some young people are now _____ to buy private (私人的) cars. [ ]
A.
rather rich
B.
very rich
C.
rich enough
D.
enough rich
【单选题】The new tax policy only affects people on yearly income over ￥120 000 , ______, the very rich.
A.
by the way
B.
as a result
C.
in other words
D.
as a matter of fact
【简答题】Being ______ by ordinary people is becoming difficult for the very rich.
【简答题】A．The cost is very. high, and only the rich people can afford it. B．The systems of communication are not so developed. C．The travelers cannot speak the foreign language. D．Tourist organizers don't all...
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