单项选择题

From the following four options in choosing the most appropriate option（）

A．organizations
B．organisms
C．humans
D．children

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单项选择题
From the following four options in choosing the most appropriate option（）

A．regulations
B．formations
C．rules
D．constitutions
单项选择题
From the following four options in choosing the most appropriate option（）

A．In a word
B．In a sense
C．Indeed
D．In other words
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