题干

实数a在数轴上的位置如图所示,则化简|1﹣a|+ (a2)2 的结果是(   )

A:﹣1

B:1

C:2a﹣3

D:3﹣2a

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答案(点此获取答案解析)

B

同类题1

阅读《淡雅百合》回答小题。

淡 雅 百 合

枫 林

    ①记得小时候,母亲在院子里种了很多花卉,每到夏季,各种鲜花争芳吐艳,满院飘香。

    ②我喜欢那一簇簇迎风盛开的山百合。那时的我经常和小伙伴们躲在花丛下捉迷藏;用那些紫色的百合种子穿成“珠珠串”,美美地戴在手上。有时在盛开的花朵上,还可以捉到漂亮的蜻蜓或者蝴蝶。花儿的馨香、翩翩起舞的蝴蝶和孩子们的欢笑声,充盈着院中的每一个角落。那份温馨、那份快乐,幸福着我的童年。望着我们沾满花粉的手臂和笑脸,母亲总会忍俊不禁,并小心拾起那些紫褐色的种子,继续种在花圃里。因为有母亲的精心培育,我家的百合年年花繁叶茂,美丽旖旎。母亲不仅培育了美丽的百合,也把爱花、养花、惜花的情愫遗传给了我,把对花儿的痴情种进了我的灵魂,使之成为成年的我生活中唯一的嗜好。

    ③百合花又叫夜合花,原产于新疆吐鲁番盆地。自古以来,百合的美,常是诗人墨客吟咏的对象,一般人对它也喜爱有加,无论是栽植于庭园或瓶插于室内,它都散发出一股与众不同的清纯高雅的气息。至于百合名称的由来,则因其根茎由许多白色的鳞片层层环抱,状似白莲,取其“万事随心”“百年好合”之意。

    ④我寓所周围的山上生长着许多野生的山百合,“学染淡黄萱草色,几枝带露立风斜”。每年到了百合的花季,你看那红色的花瓣上,点缀着颗颗褐色的笑靥,紫色的花蕊突出于花瓣之外,俏丽的绽放于树下、林间。与庭院中种植的各色百合遥相辉映,芬芳妩媚,香馥悠长,成为我生活中一道亮丽的风景。

    ⑤我爱百合花,尤为喜爱白色的百合花,也许是它身上美丽、纯洁、脱俗、清馨的气质深深打动着我。你看百合花那绿绿的叶,片片衬托着花枝上白白的花瓣,喇叭形的花朵自然舒展;花无异色,含露低垂;那洁白的百合花,像月下的霜雪,像无瑕疵的白玉,像少女的肌肤,像水洗的胭脂。清新脱俗的百合花散发淡淡的清香,就像婀娜多姿的清秀佳人,如梦似幻,超然脱俗,不染纤尘。

    ⑥我对百合花是一往情深的。我喜欢她不附庸风雅的品格,喜欢她“天然淡泊好精神”的本色,喜欢她超凡脱俗、矜持含蓄的气质。当你走近百合花丛,便不由自主地沉醉于陆游“芳兰移取通中林,余地何妨种玉簪,更乞两丛香百合,老翁七十尚童心”所描绘的诗意之中。

    ⑦百合花,尽管羸弱轻柔,却拥有顽强的生命力和激进的灵魂,无论刮风下雨,它都能在墙角一隅淡然的伫立。它不比四君子的刚毅,但却在柔柔的妩媚中有着矜持的顽强和脱俗的清雅。它不为流俗而动,依然保持了原始的简单,一色的白,一心的坚持,一生的自持。尽管人们培植了更多眩目的品种,但它依然无动于衷地坚持着自己,成就了永恒的白色经典,保持了永恒的纯净。

    ⑧每每在百合盛开的季节,采撷一束淡雅秀逸的百合花放置我的桌案上,独自欣赏着如此纯净、淡雅、清馨的花朵,自是一种最美的享受。在人与花的互相凝视中欣赏着、交流着,仿佛她就是我的亲人、我的朋友、我的知己。每次面对她,一切压力、忧郁和不快,都会荡然无存。她给小屋带来了祥和、安宁和温馨,她把我带入一个生机勃勃、如歌如诗般的境界,让我尽享熏风送暖的惬意。愿她在我的心谷里永不凋谢,让她的清香萦绕着我,与我相依相随。

    ⑨也许我早已被中国的花文化潜移默化却浑然不知,不然我怎么会在万种娇艳中独爱那一种?是的,“花非花,人非人,花是人,人是花”,百合不仅是一种简单的存在体,更是一种心情,一种文化,一种经典的创造。

    ⑩常听人说起“花语”:牡丹象征富贵,康乃馨象征温馨、祝福,玫瑰象征着爱情。我喜欢百合,希望她成为“圣洁”和“友谊”的象征。

    ⑪美丽的花儿,只有当她脱离大自然的田野,悄然进入人们心田的一瞬间,她才会变成一种永恒。

 (选自散文在线“精美散文”,有删改)

同类题2

先通读下面的短文,掌握其大意,然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Gustavo's favorite sport is soccer. When he was only four, his older brother taught him how to play it. Now Gustavo is eight, and he has had a lot of 1 Gustavo' s brother likes to kick (踢) the ball with his right foot (脚), 2 Gustavo doesn't. He likes to kick it with his left foot. Gustavo calls it his lucky left foot. All of Gustavo's friends love to play soccer when they get out of 3 .

    Earlier this year a new boy came to Gustavo's school. His name is Felipe. One day, the boys asked Felipe to play soccer with them after school. Felipe said OK but looked very  4 .

    As they walked to the soccer field (足球场), Gustavo asked Felipe, "Are you all right? " Felipe said, "I don' t know how to play soccer. I tried once and everybody 5 me." "Don't worry," said Gustavo. "I was really bad too when I first started playing soccer. 6 just have to keep trying."

    The game started, and Gustavo moved to the front of the field and was ready to kick the ball with his lucky left foot. Gustavo felt 7 every time he played soccer and today he was playing even better than usual.

    After the game, Gustavo and Felipe stayed on the field to practice. Felipe was a little bit 8 . Then Gustavo and Felipe practiced on the soccer field every day after the other boys 9 Felipe also practiced before school.

    Now Felipe loves playing soccer, and Gustavo has a new 10 Gustavo believes that Felipe will be able to score his first goal (进球) soon.