cr+1=t,ar+1=(t+1)(s-1)序为(s,t)的距离正则图

设Г是序为（s，t）直径为d的距离正则图，讨论了l（c，a，b）表示在交叉阵列t（Г）中列（c，b，c）的个数，记r=r（Г）=l（c1，a1，b1），s’=s’（Г）=l（c（r＋1），a（r＋1），b（r＋1），t’=t’（Г）=l（c（r＋s＇＋1），a（r＋s＇＋1），b（r＋s＇＋1）．所得结论如下：设Г=（X，E）是一个序为（s，t）的直径为d的距离正则图，如果c（r＋1）=t，a（r＋1）=（t＋1）（s-1），则d=r＋t’＋2．     

浅析2006年高考对情态动词的考查

1. There＇s no light on, they___ be at home. A. can＇ t B. mustn ＇ t C. needen＇t D. shouldn＇ t     

奇异Φ-Laplacian多点边值问题的可解性

利用Leray—Schauder延拓定理，得到奇异多点边值问题：（φ（u＇））＇=q（t）f（t，u，u＇）u＇（0）=∑i=1 ^m-2 biu＇（ξi）u（1）=∑i=1 ^m-2 aiu＇（ξi）解的存在条件。     

一类边值问题解的存在性及其奇异摄动

首先研究如下类型的边值问题：y″=f（t,y,y′）（a〈t〈b）、py（a）-qy（b）=a,ry＇（a）-sy＇（b）=B的微分不等式与解的存在性，然后，利用所得的结果，研究二阶拟线性微分方程的边值问题{εy″=f（t,y）y＇＋g（t,y）、y（a）=y（b）,ry＇（a）-sy＇（b）=B的奇异摄动现象。     

环境

[导语] 波士顿犹太人大屠杀纪念碑铭文 In Germany they first came for the Communists, and I didn＇t speak up because I wasn＇t a Communist. Then they came for the Jews, and I didn＇t speak up because I wasn＇t a Jew. Then they came for the trade unionists, and I didn＇ t speak up because I wasn＇ f a trade unionist.     

虚拟语气疑难题解析

1. If we had left a little earlier, we __in the rain now. A. wouldn＇ t walk B. wouldn＇t have walked C. wouldn＇t be walking D. won＇t be walking     

学中乐,乐中学

One：Teaching purposep 1.Be able to listen read and say the words：telephone/radio/camera. 2.Be able to listen read and say the sentences：Is this/that a...？/Yes,it is./No,it isn＇t,it＇s.     

一类非线性方程周期解的存在与唯一性（英文）

用重合度理论把瑞雷氏P-拉普拉斯型方程（φp（x＇（t）））＇＋f（t,x＇（t））＋g（t,x（t））=e（t）推广到了更一般的形式（φ（x＇（t）））＇＋f（t,x＇（t））＋g（t,x（t））=e（t）,研究并证明了这一类非线性方程周期解的存在与唯一性,修改了有关文献中定理的相关条件,得到了其周期解存在与唯一的结果.     

从一道选择题谈起

某市英语竞赛试卷上有这样一道单项选择题：Miss Kang must have seen tile TV play Mother several times, __ ？A.mustn＇t she B.needn＇t she C.haven＇t she D.hasn＇t she     

含多个p-Laplacian算子Duffing型方程周期解的存在唯一性

利用Mawhin连续定理,研究一类含多个p-Laplacian算子的非线性微分方程（φ）p1（x＇（t））＇＋β（φ）p2（x＇（t））＇＋f（t,x＇（t））＋g（t,x（t））=e（t）.获得其周期解存在性和唯一性新的充分条件.结果是新的,且推广和改进了已有文献中的相关结论.     

The Significance of Failure

Failure doesn＇t mean you are a failure, It does mean you haven＇t succeeded yet. Failure doesn＇t mean you have accomplished nothing It does mean you have learned something. Failure doesn＇t mean you have been a fool, It does mean you had a lot of faith.     

Let＇s Talk! Let＇s Chant!

教学内容分析： 本课是PEP《小学英语》第四册第四单元第二课时，这个单元重点学习表示天气状况的形容词及“What’s the weather like today？”“It＇s rainy”“Can I wear my…？”“Yes，you can．／No，you can’t．”等句型。本课包括Let＇s talk和Let＇s chant两个部分，Let＇s talk重点学习句型“Can I wear my…？”“Yes，you can．”“No，you can＇t．”，并通过对话复习服装类和描述天气的单词；Let＇s chant用来巩固所学语言和词汇，并营造轻松、愉快的学习气氛。     

易混短语

英语中一些短语看起来差别不大，所以英语学习者往往会混用，但有些相似短语的混用会造成“失之毫厘，谬以千里”的后果。今天我们介绍两组短语I don＇t min和I don＇t care;unless和aslong as来让大家体会—下准确应用的重要性。     

Follow Your Own Course

Don＇t listen to those who say ＂It＇s not done that way.＂ Maybe it＇s not, but maybe you w Don＇t listen to those who say ＂You＇re taking too big a chance.＂ Michelangelo would have painted the Sistine Floor and it would surely be rubbed out by today.     

JOKES

Two very deaf ladies were travelling on top of an open bus. ＂Windy isn＇t it ？＂ asked one. ＂No,it isn＇t Wednesday, it＇s Thursday,＂ said the other. ＂Yes,I＇m thirsty, too. Let＇s get off and have a Coca-Cola.＂     

形容词与副词的典型陷阱题

1.We don＇ t care if a hunting dog smells__, but we really don＇ t want him to smell__.     

我们的梦想

Don＇t lose your way with each passing day YOU ＇ ve come so far Don＇t throw it away Live believing Dreams are for weaving Wonders are waiting to start Live your story Faith, hope and glory     

FUNNY TALKS

Worried mother. report card always so Kenny： Mommy, it. I don＇t sit next t kids. Why is your bad？ I can＇t help o any smart     

山东版《小学英语》4B Unit 6 In the park

Step 1. Warm-up（起身 ） T ： Hello, everyone ! Nice to meet you. Now Let＇s play a game-- I say you do. Run, run, run, I can run … Don＇ t run ! Jump, jump, jump, I can jump …Don＇t jump! Swim, swim, swim, I can swim …Don＇ t swim !     

走出汉语式英语的误区

1．因为我病了,所以没去上学。 [误] Because I was ill, so I didn＇t go to school. [正] Because I was ill, I didn＇t go to school./I was ill, so I didn＇t go to school.