题干

等腰三角形的两边长分别为3cm和6cm,则它的周长是____ cm.

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同类题1

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    于烈,善射,少言,有不可犯之色。少拜羽林中郎,累迁侍中、殿中尚书。于时孝文幼冲,文明太后称制,烈与元丕、陆睿、李冲等各赐金策,许以有罪不死。及迁洛阳,人情恋本,多有异议。帝问烈曰:“卿意云何?”烈曰:“陛下圣略深远,非愚管所测。若隐心而言,乐迁之与恋旧,唯中半耳。”帝曰:“卿既不唱异,即是同,深感不言之益。宜且还旧都,以镇代邑。”镇代,留台庶政,一相参委。十九年,大选百僚,烈子登引例求进。烈表引己素无教训,请乞黜落。帝曰:“此乃有识之言,不谓烈能辨此!”乃引见登诏曰朕今创礼新邑明扬天下卿父乃行谦让之表而有直士之风故进卿为太子翊军校尉,又加烈散骑常侍,封聊城县子。宣武即位,宠任如前。咸阳王禧为宰辅,权重当时。曾遣家僮传言于烈,求旧羽林武贲执仗出入。烈不许。禧复遣谓烈曰:“我是天子叔,元辅之命,与诏何异?”烈厉色答曰:“向亦不道王非天子叔。若是诏,应遣官人所由。若遣私奴索官家羽林,烈头可得,羽林不可得也!”禧恶烈刚直,出之为恒州刺史。烈不愿藩授,遂以疾辞。宣武以禧等专擅,潜谋废之。会二年正月初祭,三公并致裔于庙,帝夜召烈子忠谓曰:“卿父明可早入,当有处分。”及明,烈至。诏曰:“诸父慢怠,渐不可任,今欲使卿以兵召之,卿其行乎?”烈曰:“老臣历奉累朝,颇以干勇赐识。今日之事,所不敢辞。”乃将直阁以下六十余人,宣旨召咸阳王禧、彭城王勰、北海王详,卫送至帝前。诸公各稽首归政。以烈为散骑常侍、车骑大将军,晋爵为侯。自是长直禁中,机密大事,皆所参焉。咸阳王禧之谋反,宣武从禽于野。左右分散,仓卒之际,莫知其计。乃敕烈子忠驰觇虚实。烈时留守,已处分有备。因忠奏曰:“臣虽朽迈,心力犹可。愿缓跸徐还,以安物望。”帝甚以为慰。车驾还宫,禧已逃,诏烈追执之。顺后既立,以世父之重,弥见优礼。及卒,宣武举哀于朝堂,给东园第一秘器,赠太尉,封钜鹿郡公。

(节选自《魏书•于烈传》)

同类题3

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      有一天,我在家听到打门,开门看见老王直僵僵地镶嵌在门框里。往常他坐在登三轮的座上,或抱着冰伛着身子进我家来,不显得那么高。也许他平时不那么瘦,也不那么直僵僵的。他面色死灰,两只眼上都结着一层翳,分不清哪一只瞎、哪一只不瞎。说得可笑些,他简直像棺材里倒出来的,就像我想象里的僵尸,骷髅上绷着一层枯黄的干皮,打上一棍就会散成一堆白骨。我吃惊说:“啊呀,老王,你好些了吗?”
      他“嗯”了一声,直着脚往里走,对我伸出两手。他一手提着个瓶子,一手提着一包东西。
我忙去接。瓶子里是香油,包裹里是鸡蛋。我记不清是十个还是二十个,因为在我记忆里多得数不完。我也记不起他是怎么说的,反正意思很明白,那是他送我们的。
       我强笑说:“老王,这么新鲜的大鸡蛋,都给我们吃?”
  他只说:“我不吃。”
  我谢了他的好香油,谢了他的大鸡蛋,然后转身进屋去。他赶忙止住我说:“我不是要钱。”
  我也赶忙解释:“我知道,我知道——不过你既然自己来了,就免得托人捎了。”
  他也许觉得我这话有理,站着等我。
       我把他包鸡蛋的一方灰不灰、蓝不蓝的方格子破布叠好还他,他一手拿着布,一手攥着钱,滞笨地转过身子。我忙去给他开了门,站在楼梯口,看他直着脚一级一级下楼去,直担心他半楼梯摔倒。等到听不见脚步声,我回屋才感到抱歉,没请他坐坐喝口茶水。可是我害怕得糊涂了,那直僵僵的身体好像不能坐,稍一弯曲就会散成一堆骨头。我不能想像他是怎么回家的。

同类题5

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    After seating myself in my room and turning on my computer, I noticed a Post-it note stuck to my monitor(显示器). It read, “Don't turn on your computer. You stayed up until midnight doing your homework last night.—Mom.” I 1the note into the wastebasket. “Why do they 2” I thought. “They're never here anyway.”

    Right after high school started, I almost lost contact with my parents. With all their business 3, they asked the neighbors to watch over me. Of course, the neighbors didn't do such a(n) 4job, as they had kids of their own to worry about. The only means of communication between me and my parents was through Post-it notes.

    After spending about eight hours away from home, I usually came home to find the house 5empty. It made me sad. I would come home from school to be welcomed by6, to talk to no one and to be watched over by my neighbors. That was when I started 7more clubs and staying after school more often so I didn't have to feel so lonely. Luckily, at school, my friends were there for me. They were all there to give me a 8or talk with me when I wanted to talk. I felt great when I was at school. Yet, something was still 9— my parents.

    Now I realize that nobody can take place of my parents. I wish that they would be there at home, waiting for me to come back from school. There are too many things my parents don't know about me. I wish that they actually had a(n) 10to understand me. I want them to understand that they're my parents and I'm their kid and I need them.