【简答题】A.Both private and public colleges are discounting tuition. B.Schools are quite conservative on discounting tuition. C.All freshmen receive various forms of discounts. D.Tuition discounts are sponsore...
【单选题】1985国家高程基准的建立,利用了( )年间连续观测的验潮数据。
【判断题】《核心原则》正式出台于1979年。( )
【判断题】晕厥的特点是突然发生,数秒后或调整姿势后可自行恢复。