{{U}}Children are a relatively modem
invention{{/U}}. Until a few hundred years ago they look like adult, wearing
grown-up clothes and grown-up expressions, performing grown-up tasks. Children
did not exist because the family as we know it had not evolved. Children today not only exist; they have taken over in no place more than in America, and at no time more than now. It is always Kids Country here. Our civilization is child-centered, child-obsessed. A kid’s body is our physical ideal. {{U}}In Kids Country we do not permit middle-aged{{/U}}. Thirty is promoted over 50, but 30 knows that soon his time to be overtaken will come. We are the first society in which parents expect to learn from their children. Such a topsy-turvy situation has come to abort at least in part because, unlike the rest of the world, ours is an immigrant society, and for A. Children in the Old Country are not as happy as their counterparts in America. B. America is a country in which the concept of children is more emphasized than any other countries in the world. C. Adults in America are becoming increasingly useless. D. Adults should learn from their children because they are more energetic. [判断题]熔体的额定电流不可大于熔断器的额定电流。
A.正确 B.错误 [多选题]倒闸操作的类别有()。
A.监护操作 B.单人操作 C.检修人员操作 D.遥控操作 [判断题]( )X62W铣床主轴电动机不能启动的原因之一是热继电器动作后没有复位。
A.正确 B.错误 [单选题]《煤矿安全规程》第五十六条规定:用垮落法控制顶板,回柱后顶板不垮落、悬顶距离超过作业规程的规定时,必须停止采煤,采取( )或其他措施进行处理。
A.增加支护密度 B.人工强制放顶 C.工作面加打木垛 [单项选择]在溪水和岩石的斗争中,胜利的总是溪水,不是因为力量,而是因为坚持。“坚持就是胜利”体现的哲理是()
A. 新事物必然战胜旧事物 B. 事物发展的道路是曲折的 C. 质变是量变的必然结果 D. 质变是事物根本性质的变化 [单选题]低压单相供电时相线、零线的导线截面相同。
A.正确 B.错误 C.略 D.略 E.略 F.略 [单项选择]关于物权,下列说法不正确的是( )。
A. 物权是和债权对应的一种民事S权利,它们共同组成民法中最基本的财产权形式 B. 物权和债权一样,权利主体和义务主体都是特定的 C. 物权的标的是物 D. 物权的内容是直接支配一定的物,并排斥他人干涉 [判断题]物水平磷酸化和氧化磷酸化一样都是通过电子传递系统产生ATP
[多选题]清洗尾纤通常不使用的工具为( )。
A.毛刷 B.抹布 C.卫生纸 D.棉球 [判断题]采样的代表性与子样数多少有关。
[判断题]电抗器需要叠加安装时,所有的绝缘子都应接地。
A.正确 B.错误 [单选题]《常用危险化学品分类及标志》按易燃液体闪点的高低分为( )易燃液体。
A.二项 B.三项 C.四项 [单选题]列车在区间被迫停车后,应保证就地制动,防止( )。
A.列车脱轨 B.列车溜逸 C.列车颠覆 [单选题]重大事故,是指造成( ),或者50人以上100人以下重伤,或者5000万元以上1亿元以下直接经济损失的事故;
A.3人以上5人以下死亡 B.5人以上10人以下死亡 C.10人以上30人以下死亡 D.30人以上50人以下死亡 [简答题]试述甲状腺危象的病因、临床表现和处理方法。
[单选题]( )是系统分析的综合分析方法,适用于探索造成危险的管理方面的因素,提高管理水平,保障安全 。
A.A.管理疏忽和风险树:MORT B.B.危险性和可操作性研究 C.C.事件树分析 D.D.预先风险分析 [单项选择]明确诊断附骨疽最常用的辅助检查有( )
A. CT B. 血常规 C. 核磁共振 D. B超 E. x线摄片 我来回答: 提交
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