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1、4.踏上健康之路學(xué)習(xí)目標(biāo)：△知道影響健康的各種因素△知道自己的生長(zhǎng)發(fā)育情況△關(guān)注自身身體健康，培養(yǎng)正確良好的生活學(xué)習(xí)習(xí)慣△珍愛(ài)生命△意識(shí)到健康在人體生長(zhǎng)發(fā)育中的重要作用研究下面的數(shù)據(jù)資料和相關(guān)的統(tǒng)計(jì)圖，你有什么發(fā)現(xiàn)？（一）、你知道嗎？身高人數(shù)性別1、男生、女生身高人數(shù)統(tǒng)計(jì)表身高：米年齡：12歲2、男生身高統(tǒng)計(jì)圖3、女生身高統(tǒng)計(jì)圖(1)、研究上面的數(shù)據(jù)資料和相關(guān)的統(tǒng)計(jì)圖，你有哪些發(fā)現(xiàn)？（答：在同一年齡組中，中等身材者占多數(shù)，高個(gè)和矮個(gè)數(shù)較少。）(二)、思考1:(1)、青少年男生身高與體重標(biāo)準(zhǔn)對(duì)照表注意：比對(duì)方法：對(duì)比學(xué)生年齡，橫軸分別代表第3、5、
2、10、25、30、50、70、75、90、95、97百分位，小于第3百分位為下等身高，大于第97百分位為上等身高。全國(guó)城鎮(zhèn)男生身高百分位數(shù)（厘米）下中下中中上上年齡（歲）P3P5P10P25P30P50P70P75P90P95P977111.8113.1114.8117.8118.5121.2124.0124.8128.1130.3131.58115.8117.0119.0122.2122.9125.8128.6129.5133.0135.0136.39120.4121.5123.5127.0127.8130.9133.9134.7138.114
3、0.3141.710124.6126.0128.1131.5132.4135.4138.5139.4143.0145.2146.811129.0130.4132.6136.2137.1140.3143.7144.7148.6151.0152.912132.5133.9136.4140.3141.3144.9148.7149.8155.0158.1160.013138.7140.2143.0148.0149.2153.5158.1159.4164.3176.2168.914144.4146.4149.5155.0156.4160.6164.4165
4、.5169.6172.2173.515150.8153.0156.0160.5161.6165.1168.4169.4173.2175.4176.816156.3157.6160.2163.7164.7167.7170.8171.6175.1177.1178.617158.3159.6161.7165.3166.3169.3172.2173.1176.7178.7180.118159.0160.3162.3165.8166.6169.6172.7173.5177.2179.3180.9(三）分析下面男女身高等級(jí)評(píng)價(jià)表(2)、青少年女生身高百分位數(shù)
5、（厘米）下中下中中上上年齡（歲）P3P5P10P25P30P50P70P75P90P95P977110.9112.0114.0116.8117.6120.1122.7123.5126.8128.8130.18115.0116.2118.1121.3122.1124.9127.8128.7132.2134.6136.19119.9121.1123.0126.4127.3130.4133.5134.4138.2140.5142.210124.5125.7127.9131.7132.6136.1139.5140.5144.8147.4149.11112
6、9.5131.1133.7137.7138.8142.4146.1147.2151.5154.0155.612134.1136.0138.6143.0144.1148.0151.4152.5156.3158.5159.913141.8143.4145.7149.6150.5153.7156.6157.4160.7162.7164.114145.3146.8148.8152.0152.9155.7158.7159.4162.5164.4165.715147.0148.3150.0153.3154.0156.7159.5160.2163.6165.6
7、166.716148.1149.2151.0154.2155.0157.7160.6161.4164.6166.5167.717148.8150.0151.6154.6155.4158.0160.9161.7165.0166.8168.218148.4149.6151.4154.6155.3158.1160.9161.6165.0167.0168.1評(píng)價(jià)自己的生長(zhǎng)發(fā)育狀況。（解釋：隨著我國(guó)政治、經(jīng)濟(jì)快速發(fā)展，人民生活水平普遍提高，我們的生長(zhǎng)發(fā)育和健康水平有了較大提高，體格發(fā)育增長(zhǎng)顯著，身高、體重增長(zhǎng)迅猛。）（四）思考2：為了能有一個(gè)健康的身體，我
8、們?cè)撛趺醋?？?）注意個(gè)人衛(wèi)生勤洗澡、勤洗手、不挖鼻孔（五）思考3：（2）講究營(yíng)養(yǎng)注意飲食衛(wèi)生合理安排每天進(jìn)餐的次數(shù)和時(shí)間，不挑食，不偏
