联系幼儿园实际分析贯彻学前儿童游戏教育实施的教育性原则必须遵循哪些基本要求？
秦汉时期对外文化非常发达，属于这一时期对外活动的有（）。 ["鉴真和尚东渡","玄奘西行","传教士来华","张骞持节出使","徐福率众出海"]
张某，25岁，7d前干活时不慎右手食指末端被刺破，未经消毒处理，3d后感到肿胀，轻微疼痛，昨天开始疼痛加剧，以夜间为甚，难以人睡，局部苍白，肿胀明显，全身不适。如果治疗不及时，可能发生（） ["肌键坏死","手内肌坏死","掌中间隙感染","指骨坏死","手部蜂窝织炎"]
Evaluate the set of SQL statements: What is true about the set?（） [" The DESCRIBE DEPT statement displays the structure of the DEPT table."," The ROLLBACK statement frees the storage space occupies by the DEPT table."," The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist."," The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement."]
沸点越低的烃越（）液化。 ["易于","无影响","难于"]
培养基的分类方法有哪些？
