<div style="PADDING-RIGHT: 0px; MARGIN-TOP: 10px; FONT-SIZE: 12pt; OVERFLOW-X: hidden; WIDTH: 97%; WORD-BREAK: break-all; TEXT-INDENT: 30px; LINE-HEIGHT: 2; HEIGHT: 200px; WORD-WRAP: break-word;"><span><strong>噪声的危害<op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op></strong></span>
<p class="MsoNormal" align="left" style="MARGIN-LEFT: 67.8pt; TEXT-INDENT: -45pt; BACKGROUND-COLOR: white;"><span style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;">(<span lang="EN-US">1</span>)</span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85);"> </span><span style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;">噪声对人体健康有较大的影响。</span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op></span></p><p class="MsoNormal" align="left" style="BACKGROUND-COLOR: white;"><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;">相关资料显示,声强在<span lang="EN-US">30</span>分贝左右时,人们的休息不会受到影响,当声强达到<span lang="EN-US">50</span>分贝以上时,就会影响睡眠。长时间接触噪声,会使大脑皮层的兴奋和抑制的平衡状态失调,形成牢固的兴奋灶直接影响支配内脏的植物神经发生功能紊乱,进而引起头痛、头晕、失眠、记忆力减退,反应迟钝,精神压抑等一系列症状。当环境中的噪声持续在<span lang="EN-US">70-80</span>分贝时,会引发冠心病、脑血管破裂等多种疾病。如果噪声达到<span lang="EN-US">90-120</span>分贝时,片刻就会使人暂时耳聋。有人做过这样的测试,站在喷气发动机<span lang="EN-US">5</span>米内听到的声音会很快变成聋子,爆发脑溢血或心脏骤停。</span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op></span></p><p class="MsoNormal" align="left" style="BACKGROUND-COLOR: white;"><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;">噪声对婴幼儿的影响最大。它可以使孩子致聋。据报道,某些耳聋人是胎儿期或应幼儿期致聋的,其原因是居住地点接近强烈噪声污染源或是家庭噪声引起的。</span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op></span></p><p class="MsoNormal" align="left" style="BACKGROUND-COLOR: white;"><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;">(<span lang="EN-US">2</span>)噪声影响孩子的学习,造成孩子学习困难,智力降低,学习时难以集中精力,作业效率低、错误多,考试成绩差。所以,如果发现孩子成绩不好时,要多方面查找原因,也许正是噪声在作怪。<span lang="EN-US"><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op></span></span></p><p class="MsoNormal" align="left" style="BACKGROUND-COLOR: white;"><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"> </span><span style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;">(<span lang="EN-US">3</span>)噪声影响人们的正常工作、生活。道路两旁的办公楼、学校、居住区常因噪声干扰而难以工作和休息。</span><span lang="EN-US" style="FONT-SIZE: 16pt; COLOR: rgb(85,85,85); FONT-FAMILY: 宋体;"><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op><op></op></span></p></div><div class="postbottom1"><div class="postuserinfo" style="HEIGHT: 28px;"><div style="FLOAT: left;"><img alt="ip地址已设置保密" src="http://www.5cxx.com/bbs/skins/Default/ip.gif" style="MARGIN: 4px;"/></div>2014-6-28 22:43:23</div><div class="postie" style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; TEXT-INDENT: 10px; PADDING-TOP: 0px; HEIGHT: 28px;"><div style="FLOAT: right; MARGIN-RIGHT: 5px;"><a href="http://www.5cxx.com/bbs/post.asp?action=re&BoardID=2&replyID=1561066&ID=1181943&star=1&reply=true&guest=true"><img alt="引用回复这个贴子" src="http://www.5cxx.com/bbs/skins/Default/reply.gif" border="0" style="BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; MARGIN: 4px; BORDER-RIGHT-WIDTH: 0px;"/></a>
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