A good way to narrow a topic is to analyze the different components of the topic and pick one of them.
A good way to narrow a topic is to analyze the different components of the topic and pick one of them.
A.正确
B.错误
正确答案:正确
A good way to narrow a topic is to analyze the different components of the topic and pick one of them.
A.正确
B.错误
正确答案:正确
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