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學習快評丨qibao666888　　羅?(luo)塘??(tang)高??(gao)級??(ji)中?(zhong)學??(xue) 劉??(liu)老??(lao)師?(shi)：我??(wo)們??(men)現??(xian)在?(zai)所??(suo)用??(yong)到??(dao)的??(de)器??(qi)材??(cai)是??(shi)一??(yi)節(jié)?(jie)干??(gan)電??(dian)池??(chi)、一??(yi)個??(ge)開??(kai)關??(guan)、一??(yi)個??(ge)滑??(hua)動??(dong)變??(bian)阻??(zu)器??(qi)和??(he)一??(yi)個?(ge)電??(dian)流??(liu)表??(biao)??。??現?(xian)在??(zai)在??(zai)這??(zhe)個??(ge)電??(dian)路??(lu)里??(li)接??(jie)了??(le)一??(yi)個??(ge)干??(gan)燥??(zao)的??(de)風?(feng)箏??(zheng)線??(xian)??，接?(jie)下??(xia)來??(lai)將??(jiang)開??(kai)關??(guan)閉??(bi)合??(he)??，可??(ke)以?(yi)看??(kan)到??(dao)電??(dian)流??(liu)表??(biao)的??(de)示?(shi)數??(shu)仍??(reng)然??(ran)為??(wei)0??。說?(shuo)明??(ming)在??(zai)干??(gan)燥??(zao)環(huán)??(huan)境?(jing)下?(xia)??，風??(feng)箏??(zheng)線??(xian)是??(shi)不??(bu)導?(dao)電??(dian)的??(de)??。接??(jie)下??(xia)來??(lai)將?(jiang)開??(kai)關?(guan)斷??(duan)開??(kai)??，取??(qu)下??(xia)干??(gan)燥?(zao)的??(de)風??(feng)箏??(zheng)線?(xian)??，將??(jiang)這??(zhe)根??(gen)風??(feng)箏??(zheng)線??(xian)泡??(pao)入??(ru)含?(han)有??(you)雜??(za)質??(zhi)的?(de)水??(shui)中??(zhong)??，再??(zai)將??(jiang)它??(ta)取?(qu)出??(chu)??。然??(ran)后??(hou)將??(jiang)浸??(jin)滿??(man)水??(shui)的??(de)風??(feng)箏??(zheng)線?(xian)接??(jie)入??(ru)電??(dian)路??(lu)??，閉??(bi)合??(he)開??(kai)關??(guan)??，可??(ke)以?(yi)發(fā)??(fa)現??(xian)電??(dian)流??(liu)表??(biao)的??(de)指??(zhi)針??(zhen)有??(you)了??(le)明??(ming)顯??(xian)偏??(pian)轉??(zhuan)??。　　當??(dang)下?(xia)春??(chun)光??(guang)正??(zheng)好??(hao)??，很??(hen)多??(duo)人??(ren)選?(xuan)擇??(ze)外??(wai)出??(chu)春??(chun)游?(you)??，放??(fang)風??(feng)箏??(zheng)也??(ye)成??(cheng)為??(wei)受??(shou)歡??(huan)迎??(ying)的?(de)項??(xiang)目??(mu)之?(zhi)一??(yi)??，但?(dan)放?(fang)風??(feng)箏??(zheng)引??(yin)發(fā)??(fa)的??(de)危??(wei)險?(xian)事??(shi)件??(jian)??，也??(ye)進?(jin)入??(ru)了??(le)高??(gao)發(fā)??(fa)期??(qi)??。??看??(kan)似??(si)柔??(rou)軟?(ruan)的??(de)風??(feng)箏??(zheng)線??(xian)??，可??(ke)能??(neng)成??(cheng)為??(wei)隱?(yin)形??(xing)的??(de)“兇??(xiong)器?(qi)”??。。