【单选题】在Windows 7操作系统中,当用户运行了多个程序后,这些程序将以按钮的形式出现在( )。
【简答题】找规律 (1)1、2、4、7、( )、( ) (2)1、2、4、8、( )、( )
【单选题】—Who is in the classroom? —________. They all went to the library. [ ]
【单选题】They all went to the park ________ Mike and me.
【单选题】They all went to the cinema _____ I didn't.
【单选题】They all went to the cinema ________ I didn't.
【单选题】They all went to the cinema,_____ I didn't.
【单选题】they all went to the cinema,______I didn’t.
【单选题】They all went to the cinema _________ I didn't.
【简答题】刘新玲小朋友今年3岁,她正在读幼儿园。有一天,妈妈教会她7+2=9,刘新玲很高兴,她对妈妈说“我很聪明,我会算数了”。妈妈很兴奋,之后,再问她2+7等于多少?刘新玲想了很久说不出答案。妈妈看到孩子的表现,非常失望,摇摇头,叹息道:这孩子怎么会这么笨呢?看来以后也没什么出息。 问题:根据皮亚杰的理论说说这一材料揭示了儿童的什么问题,请加以分析原因