• 2021-04-14
    中国大学MOOC: The imperative mood is often used in writing instructions, because it is more direct and economical.
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      中国大学MOOC: “Economical” vs. “Stingy”: Both words describe something or someone who is frugal with money; however, economical (being smart with money) has a positive connotation and stingy has a negative one (often used to describe someone who is greedy or selfish with their money).

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      中国大学MOOC: The best policy to deal with potential dangers in writing instructions is to state disclaimers clearly.

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      Many people choose to take a _____because it is very economical. A: direct flight B: non-stop flight C: red-eye D: connection

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      A reference is used in academic writing because _________.

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      中国大学MOOC: ______ invitation is often used in a business setting.