要因地制宜、______,不搞“一刀切”,不追求一步到位,允许采取差异性,过渡性的制度和政策安排。填入划横线处最恰当的一项是()。
— What would you like to have, meat or fish?
— _____________________.
— ___________________
— Once or twice a week.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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