关于幼儿园儿童用含氟牙膏刷牙是否可行,下面意见中正确的是分
E解析:本题考查幼儿使用含氟牙膏距层构均在检庆苗常应注意的问题。儿童在使用牙膏时经常会吞食一部分,学讲断四万是经常过多使用含氟牙膏的儿童有患氟牙症的可能。解决这一问题的方法是,6...
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女孩子镜子前面用手机照自己.而面前牙刷有来自两支.一支红色.一支青色而牙膏却是有二支到三支.分析下一共
你好,这种情况百分之五十是男女同住,我市福从和我老婆就是三只牙膏,因为牙齿需求不同,所以牙膏都是对症购买,老婆用粉色牙刷,我的是黑色牙刷!所以,感觉和我们情况很像!不过不排除是两...
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幼儿园老师想知道学龄前儿童是否能用含氟牙膏刷牙,正确的答案是
D【答案解析】:世界卫生组织在学龄前儿童用含氟360问答牙膏刷牙方面也建议:①含氟牙膏应注明6岁以下儿童要在成年人监督下应用和每次牙膏用量要少于0.5克。应研究万宗发措选刑评生产...
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什么牌子的牙膏对牙齿最好吃?电视上广告"黑妹,黑人,...
指导意见:病例分析:一般主张不要****使用某一种牙膏。意见建议:没有最好之说,建议轮流换着使用牙膏。
11.来自日常生活中用到的“高钙牛奶”、“含氟牙膏”、“富硒茶叶”等用品,这里的钙、氟、硒指的是( )
A解析:分析“高钙牛奶”、“含氟牙膏”、“富硒被左一断息按久茶叶”等用品,这里的钙、氟、硒不是以单质、氧化物、分子、原子等形式存在,而是指元素,通常用元素及其所占质量(质量分数)...
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19.日常生活中用到的“高钙牛奶”、“含氟牙膏置曲充”、“富硒茶叶”等用品,这里的钙、氟、硒指的是( )
C解析:分析“高钙牛奶”、“含氟牙膏”、“富硒茶叶”等用品,这里的钙、氟、节景兵个井抗林重克硒不是以单质、氧化物、分子、原子等形式存在,而是指元素未温待大,通常用元素及其所占质穿...
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中国牙膏市场分析报告
一。牙膏中国市场品牌发展历程1998年,全360问答国牙膏产量达到28.0云奏井息剂曲7亿支,比1949年增长了133.6倍,2000年产量达到了36亿支,年人均使用量提高到了2...
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103 、任何物质都可能因为摄入过量引起中毒,含氟牙膏也不例外,因此儿童在使用时要注意防止氟摄入过量。
A解析本题考查的是生活常识。任何物质都可能因为过量摄入引起中毒,含氟牙膏也不例外。但是,如果正常使用,含氟牙膏是安全的。故本题表述正360问答确选择A。
王静全家“五一”去旅游,在宾馆见到一支旅行用的牙膏(如图所示),根据你的观察和生活经验,你认为下列
真皮超考断超微求轮院图C试题分析::A、挤牙膏时,手对牙膏一个力的作用,结果牙膏的形状发生了变化,这表明力可以改变物体的形状,故A正确;B来自、摩擦力大小与压力大小和360问答接...
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王静全家“五一”去旅游,在宾馆见到一支旅行用的牙膏(如图所示),根据你的观察和生活经验,你认为下列说法错误的是( )
spanC解析:解:A、挤牙膏时,手对牙膏一个力的作用,结果牙膏的形状发生了变化,这表明力可以改变物体的形状,故A正确;B、摩擦力大小与压力大小和接触面粗糙程度有关.牙膏盖上的条...
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《女人不易做》分集剧情介绍
第一集来自公干取消,高志玲喜360问答孜孜回家,却惊见丈夫文景良在**;玲要求离婚。玲和良签了分居协议书后不敢将此事告知家人,只好搬进旅馆暂住。高家日久失修,玲父荣添为了不影响快...
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仔细阅读第1情宁然掉-5题中五个人所需的描述,从A-F 6个简..来自.
【答案】【小题1】D【小题2】A【小题3】B【小题4】C【小题5】F【答案解析】试题分析:【小题1】根据句意:杰克要在一所著名的大学学习。这些天,他父亲为他寻找手机以保持密切联系...
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圆筒装着白糊糊,每天早晚挤一挤。三十二个小兄弟,都说用它有好处。猜一动物?
你社好!谜底答案不是动物是生活用品。圆筒装着白糊糊,360问答每天早晚挤一挤,三十二个小兄弟,都说用它有好处。宣束末还判耐谜底答案***膏(村庆解析:牙膏挤出是白糊糊,早晚要刷牙...
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