Ongoing conflicts across the Middle East have prevented more than 13 million children from attending school, according to a report published by UNICEF, the United Nations Children's Fund.

    The report states that 40% of all children across the region are currently not receiving an education, which is a result of two consequences of violence: structural damage to schools and the displacement (转移) of populations, also called “forced migration.” Both issues result from the violence that has crossed the region in recent years. The report examines nine countries where a state of war has become the ordinary state. Across these countries, violence has made 8,500 schools unusable. In certain cases, communities have relied on school buildings to function as shelters for the displaced, with up to nine families living in a single classroom in former schools across Iraq.

    The report pays particularly close attention to Syria, where a bloody civil war has displaced at least nine million people since the war began in 2011. With the crisis (危机) now in its fifth year, basic public services, including education, inside Syria have been stretched (竭尽所能) to breaking point. Within the country, the quality and availability of education depends on whether a particular region is suffering violence.

    The report concludes with an earnest request to international policymakers to offer money and other resources to help ease the regional crisis. With more than 13 million children already driven from classrooms by conflict, the educational future of a generation of children are in the balance. This is destroying the future for an entire region.

阅读下面文字，回答小题。

梨花的春天

宗满德

    ①春天是从一叶梨花瓣走进人间的。

    ②静谧祥和的夜晚，星星丢给大地一些眼色，黄河里追逐的浪花露出银白的乳牙，一口一口地咬着石砌的堤岸。一粒石子落下来，惊醒一河春梦。露珠在岸边的小草上打盹，月亮盛了半碗。蒸腾上升的水汽，在百年梨树群中氤氲。走过冬天的游子,在梨园守夜,轻轻地哼一曲《北国之春》，缓缓的黄河水泛起涟漪。

    ③阳光错落地从梨树群中穿梭，晨露紧紧地咬了一夜，刚松了一口气，就从树枝上滑落。小草伸出碧绿的小手，低声地吟唱。等待了整整一个冬天，站着的，立着的，都是那样的新颖，那样的鲜活。春天的早晨从最后一个冬夜里开始，预备着上演五彩缤纷的舞会。

    ④主角登场了。叶子还没有发芽，花就开了。热烈，闪亮，胜过炽热的太阳。白衣天仙下凡吧，纯粹，脱俗，灵秀，远隔尘世。皇后出宫吧，抿着嘴，敛着胸，曼妙，轻盈，似在天上，又在民间；朝饮白露，夕餐落英。山姑待字吧，粉着脸，描着一丝淡眉，穿着一件短裙，绛红中透着新绿。一个冬天没有下地干活，白皙的面，光亮滋润。轻轻地吻一下吧，树下巴望的情郎。官窑的白瓷器吧，五枚清亮清亮的盘儿盛着金色的花蕊，还有一粒昨夜刚刚凝炼的银珠。伸开手掌，怕它掉在地上；张开口，怕它飞走。伫立着，凝视着，听花瓣与花蕊轻轻地合唱春的恋歌。

    ⑤树枝则一律裸着，不着一字。一个冬天的努力，都献给了花儿。不害羞的花儿顺着根顺着茎，从土里升起来，挂在枝上，尽情地表演艺术体操。一阵微风吹来，一些娇气的花儿夭折了，从枝头上飘下来，归入土中。叶子是后盾，铁一样坚硬，都埋进枝桠里面，不露声色，不出风头，不争春光。全身的力气和营养，都向一个方向输送。平静地等待是一种内力，没有怨悔地给予是一种品格，低调地劳作是一种风度。花儿开了，还怕没有绿叶，还怕没有果实吗?保持沉着，让花苞绽放吧。资*源%库

    ⑥谁能告诉我，为什么这样地纯，这样地白？梨花给予人间的不仅是春的温柔，也许还有冬的风骨。

    ⑦坐在梨树下，感觉很清爽。空气过滤了一遍，带着蜜意，加了气压，醇厚，浓酽，向着鼻孔往肺里冲，揭开毛孔往里钻。凉凉的，清清的，每呼吸一次就增加一点力量。伸开臂膀吧，全身的肌肉都浸透了氧气，鲜活鲜活的。那美丽的姑娘，如金的光芒，点缀满树的梨花，笑一笑，挥洒出无数的珍珠玉盘，雪一样洁白，玉一样透彻。

    ⑧雪是白的。梨花是白的。骨头也是白的。

    ⑨梨叶长出来了，梨花就纷纷落地。梨成熟了，梨叶就要落地。

    ⑩长肉的骨头看不着。春天里飞雪，是梨花，不是白雪。白雪呢，藏在冬天里，梨花看不着，就如骨头长在血肉里。

    ⑪忙碌的日子，结识许多陌生的面孔。熟识的心跳都在花朵上律动。脚步匆匆，又来又去，草地上没有留下一个脚印。不用凝神，不用注目，随意地看一看，每一朵梨花都认识我，都盛满笑意，都那么温暖，那么善良，那么善解人意。我生命中的每一天都令我欣喜。往日的哀怨和伤痛，曾经的忧愁和苦难，都消逝在这洁白纯净的光波里。

    ⑫梨花开了，春天慢慢地去了。人间落英无数。

（选自《新群文读本》，西南师范大学出版社，2015年）

经校刊编辑部研究决定，校刊《雏鹰》第三期的主题是“人与鸟”。如果让你负责这一期校刊，请完成以下工作。

若对$\forall k\in R,\left|\overrightarrow{BA}-k\overrightarrow{BC}\right|\ge \left|\overrightarrow{CA}\right|$恒成立，则三角形ABC是（  ）