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【判断题】
广告代理制主要包括广告公司的客户代理和媒介代理、 代理服务的业务范围及代理佣金制等内容。()A.
正确
B.
错误
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举一反三
【单选题】The difference between a permutation and a combination is:
A.
in a permutation order is important and in a combination order is not important.
B.
in a permutation order is not important and in a combination it is important.
C.
a combination is based on the classical definition of probability.
D.
a permutation is based on the classical definition of probability.
【单选题】The difference between a permutation and a combination is
A.
a combination is based on the classical definition of probability.
B.
in a permutation order is not important and in a combination it is important.
C.
in a permutation order is important and in a combination order is not important.
D.
a permutation is based on the classical definition of probability.
【简答题】从化学结构上看,糖类是()或(),或者()后可以生成多羟基醛或多羟基酮的化合物。
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