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？
在证明标准问题上存在哪些理论争议？
如果在创意描述第一行出现“断句符插入过晚”提醒，会出现怎样的情况？（） 系统自动忽略。 系统自动报错。 系统自动改错。 系统要求必须修改。
学前儿童美术欣赏教学需注意哪几个层次？
投资组合决策的基本原则是（）
