儿童需要掌握的绘画基本技能有哪几个方面?
我国多数的企业、事业单位目前还沿用()模式。 ["职能组织结构","矩阵组织结构","线性组织结构","流水组织结构"]
试述厌氧生物处理的主要的影响因素。
Which statements are true concerning the default layout manager for containers in the java.awt package?() ["Objects instantiated from Panel do not have a default layout manager.","Objects instantiated from Panel have FlowLayout as default layout manager.","Objects instantiated from Applet have BorderLayout as default layout manager.","Objects instantiated from Dialog have BorderLayout as default layout manager.","Objects instantiated from Window have the same default layout manager as instances of Applet."]
你怎样理解学前儿童绘画活动中的临摹画?
小里正在沙箱旁边玩,他专著地用沙子装满自卸卡车,然后倒出沙子,将沙子堆成一座小沙丘。而小可也在他旁边玩一个玩具推土机。突然小可开着他的推土机跃过了小里的沙丘,把沙丘轧平成了一条道路。小里立刻大哭起来,并打了小可。分析此事件产生的可能原因。