教学背景
《jixieneng》shijiunianjiwulishangcedisanzhangdierjiedeneirong。zheijiekeneirongduo、nanduda,daduoshujiaoshizaishangwanyizhangdexinkeyihou,huianpai《jixieneng》dezhuantifuxi,yiqijiangsuoxuegainianjiegouhua、xitonghua。zhengjiekeweirao“chachezhuangzhi”jinxingyanjiu,bingshejilesangerenwu。congjingdianshiyanzhongde“chachezhuangzhi”daoqichede“chachezhuangzhi”,zaidao “chachezhuangzhi”desheji。tongguo“chachezhuangzhi”deqingjingxian,jinxingdongnengdaxiaodebiaoda、dongnengdezhuanhuadengzhishideshenduxuexi,shixueshengdesiweidadaoguanliantuozhanshuiping。
教学实录
shi:
10yue1ri,xiaomingquanjiayiqizuochedaowaidiyouwan,zaigaosugonglushangfaxianqichedechacheshiling,yijiarendunshixianrukonghuang。xiamianwomenyiqiguankanyixiadangshideshipin,zaiguankandeguochengzhongsikaozheiyanglianggewenti:
shipinzhongshikongdeqichejuyoushenmeneng?wutiyou“neng”keyiduiwaizuogong,womenkeyitongguoshenmelaipanduanshikongqiche“neng”dedaxiao?
yb体育sheng:
shipinzhongshikongdeqichejuyoudongneng。
sheng1:
fashengchehuoshi,keyitongguoqichesunhuaichengdulaipanduandangshidongnengdedaxiao。
yb体育shi:
shipinzhong,qichedeshenmezhuangzhishilingle?
sheng2:
chachezhuangzhi。
yb体育shi:
chachezhuangzhidezuoyongshishenme?
sheng2:
shijiangqichededongnengjianxiao,jiangqichededongnengzhuanhuachengqitaxingshideneng。
shi:
hao,jintianwomenjiuyiqilaiyanjiuyixiachachezhuangzhi。
dianxingrenwuyi:
tongguoleibiqiche,ganshoushiyanzhongde“chachezhuangzhi”
yb体育shi:
qingdajiakanyigejingdianshiyanshipin(jieturuxia),bingsikaoyixiajigewenti。
shi:
gaishiyandeyanjiuduixiang、yanjiumudeshishenme?
yb体育sheng1:
gaishiyandeyanjiuduixiangshixiaoqiu,yanjiuwutidedongnengyushenmeyinsuyouguan。
yb体育shi:
xiaoqiudedongnengdaxiaoyushenmeyinsuyouguan?
sheng2:
yuxiaoqiudesuduhezhiliangyouguan。
shi:
zaishiyanguochengzhong,xiaoqiudedongnengshizaibianhuade,womenyanjiuxiaoqiunayidiandedongneng?
sheng3:
zaipengzhuangdianbshidedongnengdaxiao。
yb体育shi:
xiaoqiuzaibdiandedongnengconghezhuanhuaerlai?guanchazhuomianyiqi,sikaozhuanhuadongnengdeqitafangfa。
(xueshengfenxiaozujinxingjiaoliu)
yb体育sheng4:
yongshoutui,shixiaoqiuzaibdianxingchengdongneng。
sheng5:
yongdanhuangtui,shixiaoqiuzaibdianxingchengdongneng。
yb体育sheng6:
yongdanbaitui,shixiaoqiuzaibdianxingchengdongneng。
yb体育shi:
xiangfahenyouchuangyi,dajiakeyiyongzhuomiandeyiqichangshiyixia。
yb体育(xueshenggenjuzhuomianyiqikaishishiyan)
shi:
butongdefangfadoushixiaoqiuzaibdianchuyoudongneng,nengfoushuoyixiayuxiemianchanshengxiaoqiudongnengdequbie?
yb体育sheng7:
yongshoutuishixiaoqiuzaibdianxingchengdongneng,bunengzuodaomeicidouyiyang。
yb体育sheng8:
yongdanhuangtuishixiaoqiuzaibdianxingchengdongneng,bunengzuodaomeicidounengpengzhuangxiaomukuai。
sheng9:
yongdanbaituishixiaoqiuzaibdianxingchengdongneng,bunengzuodaomeicidounengpengzhuangxiaomukuai。
shi:
zheixiebanfadouyonglenengliangdezhuanyihezhuanhua,danshizhunqueduhechenggonglvburukebenshangdeshiyangao。
shi:
xiaoqiucongbdiandaocdian,sudujianxiaodao0,xiaoqiujianxiaodedongnengdaonaliqule?
sheng10:
youyuxiaoqiudetuili,xiaomukuaikefumocalizuogong,xiaoqiudedongnengzuizhongzhuanyiqiezhuanhuaweixiaomukuaideneineng。
shi:
ciguochengzhongkeyitongguoshenmefanyingxiaoqiuzaipengzhuangdianbdiandedongnengdaxiao?
sheng10:
xiaomukuaideyidongjuli。
shi:
henhao,zheishikexuetanjiuzhongdechangyongfangfa,womenchengweizhuanhuanfa。
shi:
xiaoqiudongnengdedaxiaohainengzhuanhuachengnaxiekeyizhijieceliangdewuliliang?
sheng11:
keyirangxiaoqiuquzhuangjimianfentuan、xiangpini,celiangaoxianshendu。
sheng12:
keyirangxiaoqiuquzhuangjijimu,jiliangzhuangdaodejimushuliang。
sheng13:
keyirangxiaoqiuzaishoujinshanggundong,celianggundongdejuli。
shi:
shiyanzhongdexiaoqiuzaimukuaizuoyongxiatingxia,qichezaichachexitongzuoyongxiatingche,ruguojiangyundongdexiaoqiukanchengbenchideqiche,xiaomukuaixiangdangyuqichedechachezhuangzhi。xiaoqiumeiyoumukuaijiangwufakuaisutingxia,weilejishitingche,qicheyaoyouchachezhuangzhi。
yb体育(shejiyitu:
tuchuzhuanhuanfa、leibifa、moxingfadeyingyong。leibifadezuoyongshi“youcijibi”,leibisiweideguochengjiushiyigetuiliguocheng。xueshengjianggaosuxingshideqichejiansuguochengzhuanhuaweixiaoqiudeyundongguocheng,liyongwulimoxingjianhuashijifuzaguocheng,tuchuzhuyaoyinsu,tixianlecongshenghuozouxiangwulidezhongyaosixiang)
yb体育dianxingrenwuer:
tongguoyueducailiao,lejieqichezhongde“chachezhuangzhi”
shi:
weilejishitingche,qicheyaoyouchachezhuangzhi,xiamianwomenguankanshipinbingsikaojigewenti。
yb体育(xueshengguankanqichechachezhuangzhidegongzuoyuanliheshipin,yueduyouguanqichechachezhuangzhidejieshao)
shi:
feibendeqichejinjizhidongshi,dongnengzenyangbianhua?
yb体育sheng:
qichededongnengjianxiao。
yb体育shi:
dongnengzhuanhuachenglechachexitongshenmexingshidenengle?
sheng1:
neineng。
shi:
yincizaipanshangongluxiaposhi,youyujingchangchache,chachexitongneinengzengjia,chachepanwendushenggao,huiyingxiangchachedexiaoguo,yinfashigu。
yb体育shi:
luntaiyudimianbudahuashi,qichedechachejuliyunaxiewuliliangyouguan?
yb体育sheng2:
zengdachachejulideliang:
qichedezongdongneng(m,v);jianxiaochachejulideliang:
chachepanyuqiandemocali(f ), chachepandedaxiao。
yb体育shi:
dahuoche、xiaoqicheweishenmebunengchaozai、chaosu?
sheng3:
chaozai、chaosushiqichededongnengzengda,nengduiwaizuogengduogong。chacheshichachepankefumocalizuogong,xiangtongmocalixiadongnengdadechechachepanzhuandongdequanshuzengjia,qicheyaojingguogengzhangdejulicainengtingxia。
shi:
weishenmezaitongyangdaolushang,butongdechexingxiansubuyiyang?
yb体育sheng4:
butongdechexingzaitongyangdaolushangdongnengbutong,chachexitongyebutong。chachehou,qichebixuzaiyidingfanweineitingxia,zheijiuxuyaoyidingdexiansu,butongdechexingbutongdexiansu。
shi:
f1saicheweishenmezuigaosuduzheimegao?
sheng5:
yinweif1saicheyougenghaodechachexitong,shidediaosuxingshidesaicheyekeyizaiguidingjulineitingche。
(shejiyitu:
weishenmebunengchaozai、chaosushiyigexitongwenti,xueshengyinggaizhandegenggaocainenghuidadegengzhunque。xueshengtongguoziliaolejieqichechachezhuangzhidegongzuoyuanli,lejiexiandaiqichegongyedechachexitongsheji,tuozhanzhishimian,jifaxuexixingqu)
dianxingrenwusan:
tongguofenzutaolun,shejiqichezhongde“chachezhuangzhi”
shi:
chachezhuangzhiduiyujiashizheeryanjiushishengmingdebaozhang,qingtongxuemenjieheshiyanheziliaosikaobingtaolunruheshejianquandechachezhuangzhi?
sheng1:
jiadachachepanzhijing,keyitigaochachedexiaoguo。
yb体育sheng2:
jiadapanyuqiandeyalihecucaochengdu,keyitigaochachedexiaoguo。
yb体育sheng3:
yaoxuanzehaodeluntai,burongyidahua。
sheng4:
chachepannaigaowen,zhangshijianxiapoqichedechachexiaoguobuhuishiling。
yb体育sheng5:
yaozengjiayoumenhechachedewucaizhuangzhi,zengjiaqichedexiansuzhuangzhi。
shi:
youdechezhubachelungaidayihao,kanqilaikeyigengweiwu,shifouheli?
yb体育sheng6:
buheli,chachezhuangzhiruguobujiaqiang,huiyingxiangchachexiaoguo。
shi:
youdechezhubaqichededongligaida,keyikaidegengkuaiyixie,shifouheli?
sheng6:
yebuheli,chachezhuangzhiyuqichededonglishiyaopipeide,zhigaidonglihuizengjiachachejuli。
yb体育shi:
wanyizaigaosugonglushangchacheshilingzenmeban?
yb体育sheng7:
zaigaosugongludezhangxiapo、jiwan、shigupinfadiduanyouhuanchongdai,kaishangqujiukeyitingche。
yb体育shi:
henhao,zheileihuanchongdaitongchangyousha、shi、nituyishierjian,zhuanyongyuzhidongshixiaocheliangdejiashiyuanzhudong“zhuang”shangzheixieshashiduiyidadaojiansudemude。
yb体育shi:
zuoweichuzhongsheng,womenzenyanganquanchuxing?
sheng8:
buchuanghongdeng,tixingqinrenbuchaosu、buchaozai,gaosugonglubutingche,chachepanzaifuwuquziranlengque。
yb体育(shejiyitu:
xueshengtongguoxiaozutaolun,shejigailiangqichechachezhuangzhi,shendulejieqichegongyeshejidemeili,congwulizouxiangshenghuo。xueshengtaolunanquanchuxingdeyaodian,congyuanlishanglijieshenghuozhongruhebimianjiaotongshigufasheng,rangxueshengxueyizhiyong)
jiaoxuefansi
fuxikeyaoshangchuxinyi,congzhishizouxiangzhishideyingyong;yongzhishilaijiejuewenti、jieshixianxiang;congzhishizouxianghuodezhishi、yanjiuweizhidefangfa。zaifuxikeshangrangxueshengwenguerzhixin,yaozhuzhongwulizhishiyuxiandaikejidejiehe,yongshubenzhishilaijieshigongcheng、sheji、shebeizhongdeyuanli。
shangkekaishi,jiaoshiyi“xiaomingquanjiayiqikaichedaowaidiyouwan,zaigaosugonglushangfaxianqichedechacheshiling”zuoweikaipianyinru,yongxiangguanshipinyinqixueshengzhuyi。xueshengjinruzhuangtaihou,jiaoxuebubushenru,yi“chachezhuangzhi”weixiansuojinxingzhishiyufangfadeshenduxuexi。
zairenwuyizhong,hexinzhishishi“yanjiudongnengdaxiaoyushenmeyinsuyouguandeshiyan”,baokuoshiyanmude、yuanli、buzhou、jielun;hexinfangfashi:
zhuanhuanfa、kongzhibianliangfa;siweishuipingdadaoduodianjiegoushuiping。renwuwanchenghoutichu:
shiyanzhongdexiaoqiuzaimukuaizuoyongxiatingxia,qichezaichachexitongzuoyongxiatingche,ruguojiangyundongdexiaoqiukanchengbenchideqiche,xiaomukuaixiangdangyuqichedechachezhuangzhi。xiaoqiumeiyoumukuaijiangwufakuaisutingxia,weilejishitingche,qicheyaoyouchachezhuangzhi,yinchudiergerenwu。
zairenwuerzhong,xueshengtongguoyuedushixianzhunbeidecailiaolejiechachezhuangzhi,cailiaozhongdehexinzhishishi:
chachezhuangzhishiyigejiangdongnengzhuanhuaweineinengdezhuangzhi,bingqieshitongguomocalizuogongdefangfa;hexinfangfashi:
leibifa、moxingfa;siweishuipingdadaoguanlianjiegoushuiping。
yb体育zairenwusanzhong,tongguofenzutaolun,shejiqichezhongde“chachezhuangzhi”。yongzhishijiejueshijiwenti,xueshengfenzutaolunshejichachezhuangzhi,bingtaolunchacheshilingzenmeban?taolunanquanchuxingdeyaodiandeng。
benjiekeshejidezhishizhuxianzhonganzangfangfafuxian,qiangdiaolezhuanhuanfa,fuxilekongzhibianliangfa,yinchuleleibifa,yanshilemoxingfa。benjiekedeshejiyebijiaozhongshisiweidetisheng,yisolofenleifenxi,xueshengdesiweijiegoucongdandianjiegoudaoduodianjiegouzaidaoguanlian,zuihoudaochouxiangtuozhanjiegou,shuipingzhujiantigao,fuherenzhiguilv。 |