| In the thirteenth century, in order to
discover what language a child would speak if he heard no mother tongue,
Frederic Ⅱ told the nurses to keep silent, and all the infants died before the
first year. But dearly there was more than language deprivation here. What was
missing was good mothering. Without good mothering, in the first year of life
especially, the capacity to survive is serious affected. Today no such ruthless deprivation exists as that ordered by Frederick. Nevertheless, some children are still backward in speaking. Most often the reason for this is that the mother is insensitive to the cues and signals of the infant, whose brain is programmed to mop up language rapidly. There are critical times, it seems, when children learn more readily. If these sensitive periods are neglected, the ideal time for a A. The child’s brain is highly selective. B. The faculty of speech is inborn in man. C. Children do not need to be encouraged to speak. D. Most children learn their language in definite states. [单选题] 要提高换热器的总传热系数K，可采取的办法是( )。
A.采用翅片面 B.降低流体流速 C.除垢 D.两流体逆流 [单选题]新时期党的基本路线的思想开始形成于( )。
A.中共八大 B.中共十二大 C.中共十一届三中全会 D.中共十三大 [判断题]《中国南方电网有限责任公司客户问题处理作业指导书》：客服人员无须进行保密制度培训。
A.正确 B.错误 [多项选择]单警基本技能包括（）技术。
A. 控制技术 B. 上铐技术 C. 捆绑技术 D. 搜身技术 E. 带离技术 [多选题]列车对讲系统包括（）。
A.司机室对讲 B.司机与乘客对讲 C.紧急广播 D.数字化报站 E.略 F.略 G.略 H.略 [单选题]煮沸消毒法的应用，错误的是
A.可使刀刃锋利性受损 B.适用于耐热、耐温物品 C.杀灭乙肝病毒，应煮沸30分钟 D.消毒时间自浸入开始计算，一般15~20分钟 E.加人2%碳酸氢钠，可缩短消毒时间 [多项选择]档案编研成果的审核工作要求为（）
A. 以编研成果方案（大纲）为指导依据 B. 以通用的校对工作专业规范为基本方法 C. 认真组织，加强协调 D. 随心所欲，能通读完成就行 [判断题]卡盘端盖压死卡瓦,直接加垫片调整端盖与卡瓦的间隙就可以了。( )
A.正确 B.错误 [多项选择]张明下落不明已达3年，下列哪些人可以向人民法院申请宣告张明为失踪人（）
A. 父母 B. 张明之妻 C. 与张明没有权利义务关系的雇主 D. 子女 我来回答: 提交
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