纯粹的学术研究与教师的教育教学实践间有着较大的距离，然而行动研究却是与教师的实践密切联系在一起的，因此行动研究与我们已经习惯了的传统意义上的“学术研究”没有较大的区分。()

判断题找到被估计的总体参数的一个较好的点估计量是从点估计构造区间估计的重要条件。()

判断题法约尔在管理方面的著作主要有《工业管理和一般管理》、《国家在管理上的无能——邮政与电讯》、《公共精神的觉醒》。()

判断题参观访问法通地实地参观获得第一手感性材料，没有局限性。()

判断题合体字都是由两个以上的部件构成的，如：捉、赏、众等等。()

判断题“公赐之食。食舍肉。”中“舍”与“舍”是古今字的关系。()

判断题教育立法指地方教育行政执法机关制定、认可、修改、补充和废止教育法律的活动。()

判断题经济统计的总体性要求它必须对所有社会经济现象都进行全面的统计。()

未分类题The refusal to broadcast 'Saving Private Ryan' by several TV stations shows thatA．the movie features lots of swearing.B．media firms have intensified censoring.C．media firms were afraid of huge fines.D．the film was defined as indecent.

未分类题What strategy has the media industry adopted to defend itself?A．Creating bitter quarrels between Republican's two wings.B．Protesting the government's power over censorship.C．Allying with such groups as the American Conservative Union.D．Arguing that the material is actually under the control of parents.

判断题重复抽样是指从总体中抽取一个元素后，把这个元素放回到总体中再抽取第二个元素，直到抽取n个元素为止。()

未分类题Why did the market fail to work its usual magic on human kidneys?A．The theory of demand and supply is not applicable here.B．Supply did not respond to high prices or meet fast growing demand.C．Supply of human kidneys depends on charity rather than market.D．Human kidneys are not such ordinary goods as shoes, clothes, etc.

未分类题According to Paragraph 4, which of the following is true about the debris?A．The white blood cells are ready to get rid of it all the time.B．It is the product of red blood cells during blood storage.C．It could help sports cheats avoid detection.D．It is fragments of cell membranes.

未分类题What would be the best title for the text?A．Blood Cell 'Debris' could Snare Sports CheatsB．A New Type of Blood DopingC．Several Measures Taken to Detect Blood DopersD．Antibodies are Created to Detect Blood Dopers

判断题对于连续变量，由于其变量值无法一一举例，所以更不能采用单项式分组，这种情况采用组距式分组。()

单项选择题在变容二极管电路中，中心频率fC为5MHz，调制信号频率为5kHz，最大频偏为2kHz。通过三倍频后，调频系数Mf为()。A、1.2B、2C、12D、15