I don't like talking openly about my feelings. That's probably why I am writing this, because it seems an easier way of telling you how thankful I am to you.

    When I first got ill two years ago and had to be taken to hospital, you were the first person I called to tell, maybe because I knew Mum wasn't going to answer her phone, but probably because you are the first person I call in an emergency.

    As one illness turned into another and I was stuck in hospital for weeks, feeling sorry for myself, you were still at my beside trying to talk to me to cheer me up. The illness hit my kidney(肾) and we then realized that I was going to need a transport sooner or later. You put yourself forward to be tested as soon as possible and it turned out you were a perfect match.

    Then last year, in March, we both went down for the operation. I woke a few hours afterwards and felt better. It wasn't until the following day that we got to see each other again. We hugged silently and asked one another how we were. But I never said the words I should have—thank you. To this day, I still haven't said those words to you for my kidney.

    In the month after the operation, when we were both at home recovering, I made you lunch, went for walks with you. It's my way of saying that I care for you a great deal and that I am truly thankful for what you did for me.

    I want you to know that my silence towards you and the times you tried to talk to me and got nothing weren't because of you. Maybe one day when you will read this, I hope you know that in my own silent way, I am for ever thankful.

    （甲）乐和唱这个词，正唱到望天王降诏早招安，只见武松叫道：“今日也要招安，明日也要招安，却冷了弟兄们的心！”“黑旋风”便睁圆怪眼，大叫道：“招安，招安，招甚鸟安！”只一脚，把桌子踢起，颠做粉碎。宋江大喝道：“这黑厮怎敢如此无礼？左右与我推去，斩讫报来！”众人都跪下告道：“这人酒后发狂，哥哥宽恕。”宋江答道：“众贤弟请起，且把这厮监下。”众人皆喜。有几个当刑小校，向前来请李逵，李逵道：“你怕我敢挣扎。哥哥杀我也不怨，剐我也不恨，除了他，天也不怕。”说了，便随着小校去监房里睡。

    （乙）只见戴宗引着李逵到阁子里。李逵着见宋江、柴进与李师师对坐饮酒，自肚里有五分没好气，睁圆眼，直瞅他三个……

    宋江在黑地里说道：“今番错过，后次难逢。俺三个就此告一道招安教书，有何不好！”柴进道：“如何使得？便是应允了，后来也有翻变。”三个正在黑影里商量。却说李逵见了宋江、柴进和那美妇人吃酒，却教他和戴宗看门，头上毛发倒竖起来，一肚子怒气正没发付处。只见杨太尉揭起帘幕，推开扇门，径走入来，见了李逵，喝问道：“你这厮是谁？敢在这里？”李逵也不回应，提起把交椅，望杨太尉劈脸打来。杨太尉倒吃了一惊，措手不及，两交椅打翻地下……

    （丙）燕青道：“你没来由寻死做什么？我教你一个法则，唤做‘负荆请罪’。”李逵道：“怎地是负荆？”燕青道：“自把衣服脱了，将麻绳绑缚了，背着一把荆枝，拜伏在忠义堂前，告道：‘由哥哥打多少。’他自然不忍下手。这个唤做负荆请罪。”李逵道：“好却好，只是有些惶恐，不如割了头去干净。”燕青道：“山寨里都是你兄弟，何人笑你？”李逵没奈何，只得同燕青回寨来，负荆请罪。

    却说宋江、柴进先归到忠义堂上，和众兄弟们正说李逵的事，只见“黑旋风”脱得赤条条地，背上负着一把荆杖，跪在堂前，低着头，口里不做一声。宋江笑道：“你那黑厮 ， 怎地负荆？只这等饶了你不成！”李逵道：“兄弟的不是了！哥哥拣大棍打几十罢！”

下列图形：任取一个既是轴对称图形又是中心对称图形的概率是（   ）

①氧气②水③二氧化锰④碳⑤五氧化二磷．