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陈俊杰 雪域高原青春壮游

2017-09-08 06:26:44   中国青年网

2016年8月,25岁的黄岩中学化学老师陈俊杰随首批浙江省“组团式”教育人才援藏团来到拉萨那曲高级中学支教,支教团里的45位老师分别来自全省11个地市的45所学校,他是年纪最小的两名90后之一。

陈俊杰说,高考时他很想报考军校,虽然后来当了老师,但骨子里的豪情壮志没变。“去西藏支教也是一种奉献,而且世界那么大,我想去看看!”

从东海之滨到雪域高原,平均海拔陡升至4500米以上,刚到那曲,陈俊杰和援藏团的许多老师们都“领教”了高原反应的厉害。

由于缺氧,晚上总是睡不着,捱到半夜三四点才睡着是常态,后来陈俊杰想了个办法——白天狠狠地干活,累到晚上倒头就睡。

孩子们的课堂表现也让陈俊杰一时很难适应。只要他抛出一个问题,学生们就喊着回答。“我就跟他们对喊,高原气候干燥,结果没几天我的喉咙就出血了。”陈俊杰说,在他十分“绝望”地度过了艰难的适应期后,开始“学乖”——每天用保温杯带着水上课,学生喊时,就用手势示意他们安静,偶尔也带个“小蜜蜂”扩音器上课。

西藏海拔高、温度低,化学反应速率很慢,在陈俊杰到来之前,那曲高级中学化学课是不做实验的。陈俊杰不仅把实验设备和奇妙的化学反应带进了那曲高中的化学课堂,他的教学方法也充满灵性。

他会给学生看布达拉宫的照片:“布达拉宫的墙体主要由哪几种颜色组成?”学生们立即告诉他,红色、黑色、白色。“这几种颜色主要由哪几种化学物质构成?”学生都答不上来了。陈俊杰一边不急不忙地写出化学方程式,一边干脆利落地解答:“红是铁红,是三氧化二铁;黑是碳单质,从蜡烛中提取出来的;白是牛奶加石灰,石灰里有碳酸钙……”

诺贝尔奖得主屠呦呦发现青蒿素创制新型抗疟药物的历程,也被陈俊杰拿到课堂上,“过去西医不认同中医,因为中药的有效成分不那么容易确定,而屠呦呦确定了青蒿素抗疟疗效,你们懂藏文,再把化学学好,将来就能找出藏药中的有效成分,让藏医藏药更广普及,帮助更多人。”陈俊杰一讲完,学生们一个个精神抖擞起来。

初到西藏时,陈俊杰班上学生的成绩有过下滑,让他倍感压力。“我觉得主要是教学上的水土不服造成的,我的频道和学生的接收频道不匹配。” 后来,陈俊杰缩减了每堂课的容量,每节课最多只讲一两个问题,但讲得尽量详细,涉及到加减乘除时就让学生多练习,经过一段时间“调频”,学生的成绩稳步提升。“基础好的学生和基础差的学生都教过了,也都能教好,这也是一种成就感!”他笑道。

这个90后老师还和学生们打成一片,经常去学生寝室谈天说地。孩子们会争先恐后地把苹果、牛奶、饼干拿来请他吃,学校有庆祝活动时还总有学生跑过来拉着他的胳膊往外拽:“老师,我们去跳锅庄舞吧!我们教你!”

平凡的工作中,每个老师都极为认真和用心,在援藏团里,发生过很多感人的故事。来自丽水的林建仁老师夫妻两人都在支教,他爱人去了青海,还把9岁的孩子也带了过去;援藏团的领队王德伟进藏后,父亲病情加重,家人多次催促他回家,但他一直等到所有援藏老师适应高原反应,所有工作顺利对接后才返家;来自嘉兴的费慧华老师进藏后父亲疾病恶化去世,他回家处理后事,三天后就坐上了回拉萨的火车……

到明年元旦,援藏团在那曲高级中学的支教就要结束了,高原气候让陈俊杰的皮肤变得黑红,也让他的意志更加成熟坚定:“吃苦是福,不吃苦受不起挫折,趁年轻来锻炼一下是好的。”

在海拔4000多米的雪域高原上坚守三尺讲台,在身体力行中播撒爱的种子,不负嘱托,也不负期待……对陈俊杰来说,这场青春壮游让他心底里的情怀和梦想得到安放,也经受住了时间的磨砺。

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