• 2021-04-14
    中国大学MOOC: The principle of __________ means that related items should be grouped together.
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      中国大学MOOC: When asking for help, what principle we should keep in mind? ( )

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      中国大学MOOC: What items should a job applicant value in a new job opportunity?

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      中国大学MOOC: The following types of activities should be used for the practice of using grammar items: _________.

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      The accounting principle-cost principle means everything should be cheap. A: 正确 B: 错误

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      中国大学MOOC: “A business letter should include all the necessary information.”indacates the principle of___