样本是否具有代表性是非常重要的一个问题，只有样本有较高代表性，那么由样本特征推断的总体特征才有普遍意义，对总体的研究结果才有推广价值。()

判断题一般教育中的案例其研究对象是人，而人由于其生存的环境和所受的教育不同，其生理特点、个性心理、文化修养等方面均存在着显著的差异，所以个案的借鉴和推广有很大的局限性。()

未分类题The cell phone may be eavesdropping in thatA．the software industry has created a do-it-yourself program.B．the spy phone software requires no special skills or knowledge.C．a recent software can transfer a wiretapping program to other phones.D．to download the spy phone software is as easy as pressing keys.

未分类题Why was Dizzy Gillespie regarded as a 'secret sonic weapon' in 1956?A．He was deployed to help the U.S. gain the victory of the cold war.B．He was assigned to beat enemies at the peak of the cold war.C．He had the power to influence the world during the cold war.D．He could help to reshape a new image of American culture to the world.

判断题所谓人治，就是国家以一套严格的道德制度去规范和约束人们的行为，从而产生社会秩序。要使道德高度变为德治，必须以权利的不平等和权力的不制衡为前提。()

未分类题The sentence 'Most remarkable of all has been the rebound among young men.'(Line 1, Paragraph 4)denotes that young men haveA．started to outperform. young women in academic studies.B．enjoyed reading more comprehensively than young women.C．narrowed the gap with young women in learning.D．showed a sign of willingness to read more than before.

判断题综合消息报道面广，声势浩大，点面结合，综览全局，概括性强，能给读者一个较完整的印象。()

未分类题What does the author mean by 'dumbing down'(Line 3, Paragraph 1)?A．Becoming illiterate.B．Becoming noiseless.C．Getting clumsy.D．Getting inflexible.

判断题文献研究法是通过全面搜集、鉴别、整理国内外与课题相关的文献资料，并通过对文献的研究，形成对事实科学认识的一种方法。()

未分类题According to Paragraph 2, the trend seems to have taken a turn for the better in thatA．adult readers read more widely.B．more people are advocating reading.C．the number of educated people is growing.D．the percentage of adult readers has increased.

未分类题Sunil Iyengar, the NEAs research director points out thatA．Hispanics are formerly considered the most reluctant readers before 2002.B．college graduates have dramatically increased their reading ranges.C．the increase has compensated for the decrease during the past 25 years.D．it seems that American people as a whole are reading more than before.

判断题而决定实验结果能否推广到更大范围的依据，就在于实验是否具有较高的内在效度。()

未分类题【C15】A．identified withB．negligible forC．targeted atD．responsible for

判断题美国日托的历史可追溯到1838年。()

未分类题【C8】A．far fromB．but forC．with respect toD．in front of

判断题1988年，制定《2000年目标：美国教育法》，对需要帮助的家庭发放托儿费。()