| Language, like food, is a basic human
need without which a child in a critical period of life can be starved and
damaged. Judging from the drastic experiment of Frederick Ⅱ in the thirteenth
century, it may be so. Hoping to discover what language a child would speak if
he heard no mother tongue, he told the nurses to keep silent. All the infants died before the first year. But, clearly there was more than lack of language here. What was missing was good mothering. Without good mothering, in the first year of life especially, the capacity to survive is seriously affected. Today no such severe lack exists as that ordered by Frederick. Nevertheless, some children are still backward in speaking. Most of the reason for this is that the mother is insensitive to the signals of the infant, whose brain is programmed to le A. to prove that children are born with ability to speak B. to discover what language a child would speak without hearing any human speech C. to find out what role careful nursing would play in reaching child to speak D. to prove that a child can be damaged without learning a language [判断题]改扩建矿井在非改扩建区域超出安全设计规定范围和规模生产的,属于煤矿重大事故隐患。( )
A.正确 B.错误 [多选题]医院的火灾特点是()。( )→易
A.人员疏散任务重,难度大 B.药房起火烟雾浓,毒性大 C.烟雾四处流窜,易造成火势蔓延 D.灭火行动困难 [判断题]一些国家从社会主义经济制度改变为资本主义经济制度,说明社会主义已不是人类社会的必然规律了。(1..0.分)0..0. 分
A.正确 B.错误 [多项选择]《察世俗每月统记传》创办人为（）。
A. 马礼逊 B. 米怜 C. 麦都司 D. 梁发 [多选题]燃烧调节的主要任务是( )。
A.减小各项不完全燃烧热损失 B.防止燃烧器烧坏、炉膛结渣以及过热器管壁超温 C.提高主汽温 D.减小水循环倍率。 [单选题]加压式常规取心所用岩心爪的内径比岩心直径大( )左右。
A. 3mm B. 6mm C. 10mm D.15mm [判断题]能量管理系统（EMS）的WEB 浏览功能模块置于管理信息大区。
A.正确 B.错误 [单项选择]下级单位（士兵）年度训练成绩综合评定标准为：及格—所有单位（士兵）训练成绩及格率不低于（）%；
A. 70 B. 80 C. 90 D. 100 [简答题]测定水的总硬度时，吸取水样100mL，以铬黑T为指示剂，在pH值为10时用0.01000mol/L的EDTA标准溶液进行滴定，用去12.00mL，计算水的硬度，用mg/L（以CaCO3计）表示。（CaCO3的相对分子质量为100.0。）
[单项选择]用地自然坡度为5％的用地，应该规划为（）形式。
A. 都不是 B. 平坡式 C. 台阶式 D. 混合式 [单选题]行进间,动令除向左转走和齐步.正步互换及敬礼.礼毕时落在(),其他均落在()。( )
A.左脚;左脚 B.右脚;右脚 C.左脚;右脚 D.右脚;左脚 我来回答: 提交
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