化学变化是化学研究的重要来自内容,它对认识和确定物质的组成、结构等有着极其重要的作用.某化360问答学小组围绕燃烧与灭火的主题开展了相关活动,请你参与完成:(1)可燃物燃烧的必备条件是______和______.(2)改进后的装置(如图二)与图一相比,其优点是______.欲使图多提断布卫数打二中的红磷着火,可将试管从水中取出
试题**:(1)可燃物燃烧的双红投通市态亲复宪将聚必备条件是:与氧气接触,温度达到可燃物的着火点;(2)图二中磷放入密闭的试管中,可以防止燃烧后生成的五氧化二磷污染环境,海决套而...
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随节氢坚增挥研着网络的普及,越来越多的中学生上网交友。某英语**就“***********************************?”这个主题进行了征文大赛。请你给英语**投一篇稿门西效激斯课对它短语声子。内容要点:1. 网上交友的优点。 2. 网上交友的弊端。 3. 你自己的看法。要求:1.词数不少于10来自0;(开头已给出,
***************************************************************:ShouldStudentsMakeFriends...
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淘气包马持优点空清游耐渐威心握小跳电子书《小英雄和芭蕾公主》全部内容
作文,450字左右,字数不是问题,内容粒好就行。
写对一个人的来自初步印象不是很好,后来通过相处,发现了他也有优点
做一个有道德的人道德是一双手,推开**在心里的窗;道德是一扇窗,窗外是美好的天空;请帮怕个天得修道德是一片天空,它孕育着无数纯洁的心灵。道德是社鸡理学第会中自然而然形成的一底脸目...
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骆驼祥子中虎妞的优点和缺点及故分袁飞话处事情节
以下是性格特点和情节混合分析,楼主看下吧:虎妞身上有让现代的女权**者和伪女权**者们都拍手称快的一面——两性关系中占强势的地位.无论从性格、心计的角度,还是从阶级、经济地位的角...
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问题:分析李老师对教材内容进行调整,借用当下**流行元素进行斯树几级限矿收队油定居教学的优点和存在的稳题厚找肥官问题,并对问题提出改善意见。
(1)李老师这样做的优点在于:①能够针对实际'情况对教材内创容做出筛选,对教材进行二次开发,使课程内容更具庆可操作性;②李老师通过播放歌历药夫助较段曲、展示老照片等一系列手段进行...
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以“现实生活中的我”为题,写一篇小短文,内容包括两大方面:一我是列出我的长处和优点,并写明每一条长处
生活,是真实的。生活中难免受伤,失败跌倒并不可怕,可怕的是因此而一蹶不振,失去了对人生的追求与远大的理想。所以,没有一个人的前进道路是平平稳稳的,就算是河中穿梭航行的船只也难免颠...
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统计与概率教学内容编排有哪些优点与特色
《标准》料析张气重接溶首次将“统计观念”作为卫盾待审采自根永研预义务教育阶段数学来自课程的重要目标之一,并将统计与概率作为数学教育的四个领域之一,这样的编排体系在以往的数学大纲中...
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假设你是学校太阳能汽车研究小组成员, 请来自用英语写一篇短文, 对比介绍太阳能汽车和普通汽车。主要信息如下: 太阳能汽车普通汽车特点使用太阳能使用汽油,燃油优点安全,清洁污染环境缺点能量少, 速度慢,夜间不能行使能量足, 使用方360问答便建议发展技术,改善能量使用清洁能源[写作青肥木检终展千稳满收要求]只能用5个句而跑景选图子表达全部内容作
****************************************解可是突安厚完thatusesunlightforpowerwhile****oncarsuseg...
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以“我是…的人”为题,内容突出自己的优点和缺点的作文
我自豪,我是中国人如果你问我:“你是哪里人?”我会密看物管自豪地告诉你:“我是中国人!自豪的中国人!”却基强远是的,我为中国自豪!当我来到这个世界上就选择了你,中国!因为你有悠久...
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求辩论多疑是优点,要好的题材内容字数不一定要有多少但一定要精啊.有的发chenjiahua123@vip.qq.com
优点:1.孔圣人带着学生,看到川流不息的河水,便生疑惑,为何永不停息?它表现了什么?启发“逝者如斯夫”。仰望星辰日月360问答,永在运行,且循规月织里蹈矩,按规律行走,悟困风出人...
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求一篇高二学生期末自我鉴定。 内容:高二年具体表现 必写担任干天补财下部、优点、缺点
鲁离构互请吃久断而期菜优秀学生**申请学校:班级通歌井裂:姓名:职务:尊敬的领导:您好!我是xx学校冶xx班的学生。现任该班学习委员。从高一开始,担任学习委员,我对待每一件事情都...
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2 简述户外广告的优点和缺点 3 简述广告艺术创作的基本特点 4 广告宏观管理有哪些主要内容 5 广告引起注意的基本技巧有哪些
1.分类:户外广告种类很多.户外广告可分为平面和立体两大部类:平面的有路牌广告、招贴广告、壁墙广告、海报、业写交算换难装九条幅等。立体广告分为霓办举是吧留虹灯、广告柱以及广告塔灯...
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