对于承担责任的代价与回报，不同的人有不同的认识。有人认为，面对责任，不言代价与回报只是优秀 * * 党人才具备的品格。[ ]
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— David, why are you so excited?
— My father has made a that he will take me to Tibet next month.
A. face B. promise C. mistake
DBMS有哪些基本功能？
