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当代中国教育的导向思想是（）
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近年来，北京市公安局开辟了“人大代表、政协委员直通车”、“人民来访接待室”、“政法民生热线”等民意渠道，对收集的民意进行分析，做到“警务跟着社情民意走、警力围着群众工作转”。这些做法强调（）。 ①重视代表提案，维护群众权益 ②坚持群众路线，转变工作作风 ③促进信息公开，审慎行使权力 ④加强公民参与，主动接受监督
我国首个立体电视综合性试验频道中国3D电视试验频道从2012年1月1日起开始试播。下列关于3D电视的表述正确的是（）。
回答下列各题 Samuel H．Preston，a sociologistat the University of Pennsylvania，studied how theAmerican family is changing．He reportedthat by the time the average American couple reaches 40 years of age，mey have more parents than children．This finding shows the change in lifestyles(生活方式) and duties of aging Americans．The average middle．aged couple canlook forward to caring for elderly parents some time after their own childrenhave grown up. Because Americans are living longerthan ever，more researchers andsocial workers have begun to study care giving to improve care of the elderly．When people care for an elderly relatiVe，mev often do not use community(社区)services，such as adult(成人)daycare cenVes.If the care givers are adult children，they are more likely to use such services，especially because they of ten have jobs and other business．However，the wife of anelderly person is much less likely to use support ser、7ices or to put the dependent person in a nursing home．Social workers discovered that me reason for this difference wasfear of becoming poor．An ill elderlyperson may live for years，aIld medicalcare aIld nursing homes are very expensive．An elderly couple’s savings can disappear very quickly．The other half，usually thewife，Can be left in poorliving conditions.As a resuh，she often triesto take care of her husband herself for as long as she can. An example of changes in American lifestyles is that__________.
听下面一段对话，回答： What do we know about the man？
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