题目内容

【题目】这六个数字.

(1)能组成多少个无重复数字的四位偶数?

(2)能组成多少个无重复数字且为的倍数的五位数?

(3)能组成多少个无重复数字且比大的四位数?

【答案】(1)(2)(3)

【解析】(1)符合要求的四位可分为三类:第一类:在个位时有个;

第二类:在个位时,首位从中选定个(有种),十位和百位从余下的数字中选(有种),于是有个;

第三类:在个位时,与第二类同理,也有由分类加法计算原理知,共有四位偶数个.

(2)符合要求的五位数可分为两类:个位数上的数字是的五位数有个,个位数上的数字是的五位数有个,故满足条件的五位数的个数共有个.

(3)比大的四位偶数可分为三类:

第一类:形如共有个;

第二类:形如, 共有个;

第三类:形如,共有个.

由分类加法计数原理知,无重复数字且比大的四位数共有个.

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【题目】阅读下面的文言文完成问题。

颜斶说齐王

齐宣王见颜斶“斶前”斶亦曰“王前”宣王不。左右曰“王人君也人臣也王曰‘斶前’亦曰‘王前’可乎”斶对曰“夫斶为慕势王前趋士与使斶为趋势不如使王为趋士。”王忿然作色曰“王者贵乎士贵乎”对曰“士贵耳王者不贵。”王曰“有说乎”斶曰“有。昔者秦攻齐令曰‘有敢去柳下季五十步而樵采者死不赦。’令曰‘有能得齐王头者封万户侯赐金千镒。’由是观之生王之头曾不若死士之垄也。”宣王默然不说。

宣王曰“嗟乎君子可侮哉寡人自取病耳。愿请受为弟子。且颜先生寡人游食必太牢出必乘车妻子衣服丽都。”颜斶辞去“夫玉生于山制则破焉非弗宝贵矣然夫璞不完。士生乎推选则禄焉非不得尊遂也然而形神不全。斶愿得归晚食以当肉安步以当车无罪以当贵清静贞正自虞。”则再拜而辞

君子曰斶知足矣归真反璞则终身不辱。

【注】颜斶齐国隐士。柳下季即柳下惠姓展名禽字季鲁国贤人居于柳下。指坟墓。

【1】对下列句子中线字的解释不正确的一项是

A宣王不 通“悦”高兴

B夫斶为慕势 名词用作动词上前

C士生乎 以……为边邑

D则再拜而辞 离去离开

2下列句子中加粗字的意义和用法相同的一组是

A B

C D

3以下句子分别编为四组全都表明颜斶不慕权势、保持士的高尚气节的一组是

斶亦曰“王前

左右曰“王人君也人臣也王曰‘斶前’亦曰‘王前’可乎

斶对曰“……与使斶为趋势不如使王为趋士。”

王忿然作色曰“王者贵乎士贵乎

颜斶辞去“……士生乎鄙野推选则禄焉非不得尊遂也然而形神不全。……”

A①③④

B①③⑤

C③④⑤

D②④⑤

4下列对原文有关内容的理解和分析不正确的一项是

A齐宣王召见颜斶时让颜斶上前来颜斶也让大王上前来惹得齐宣王很不高兴。

B颜斶谈到砍下齐王头颅封邑万户、赐金千镒的事情意在说明“王者”尊贵。

C齐宣王最终认识到随便侮辱士人是自讨没趣的做法于是就请求做颜斶的学生。

D颜斶没有接受齐宣王做学生的请求郑重地辞王而去回到本乡终身不受侮辱。

5将下列句子翻译成现代汉语。

王忿然作色曰“王者贵乎士贵乎

由是观之生王之头曾不若死士之垄也。

晚食以当肉安步以当车。

【题目】根据短文内容.完成下列句子.每空一词。

When we got to the hospital, we found Dad still coughed a lot, but his smile was as sure as ever. It was another attack of pneumonia(肺炎). My husband and I stayed with him for the weekend, but we had to go back to our jobs on Monday. Local relatives would help Dad get home from the hospital and look after him. But I wanted to let him know that we also cared about him. even when we weren't with him.

Then I remembered a family tradition when our children were small. Before leaving their grandparents' home after a visit, each child would write a love note to their grandparents. For days, their grandparents would smile as they read these notes of love.

So when I cleaned Dad's kitchen and made the bed for him, I wrote some notes. Some were like this, "Dad, I put the food in the fridge. " Some expressed my love, "Dad, I hope you will sleep well in your new bed. " Most notes were put downstairs where he would stay for several weeks when he was ill. But I put one note upstairs under his pillow(枕头), "Dad, if yon have found this note, you must be feeling better. We are so glad!"

"These notes helped improve his health. Several weeks later, in one of our regular phone calls, I asked Dad how he was doing. He said, "Pretty good. I just found your note under my pillow upstairs!

【1】 The writer's father was and was sent to ____________.

【2】The writer to her job after she stayed with her father for the __________.

【3】It was a family for the children to write love to their grandparents.

【4】The writer did the thing as her children to about her father.

【5】A few weeks later, when the writer heard her father's , she knew he felt much _________.

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