英文绕口令

1)Writer named Wright wasinstructing his little sonhow to write Wright right.Hesaid:“It is not right to writeWright as'rite'--try to writeWright aright!”2)Ann sentAndy ten hens andAndy sent Ann tenpens.3)Canners cancan what they canbut can not canthings can't becanned.4)Good cookiescould be cooked bya good cook if agood cook couldcook good cookies.5)Jenny andJimmy went to Ja-maica and Germany inJanuary, but Joanand John went toJordan and Japan inJune and July.英文绕口令@邝蓓…     

A Fat Rat and a Black Cat

I think you can remember these ten words now.They all have the letter"a"with the sound/(?)/.Let’S read this tongue twister(绕口令)about the sound/(?)e/.A fat rat is wearing a cap.A black cat is wearing a hat.The fat rat is carrying a bag.The black cat is sitting on a mat.The rat and the cat are looking at a map.They are helping a sad bat find his dad.     

英美国家的著名报刊

1.Ann sent Andy ten hens and Andy sent Ann tenpens.安给安迪送了10只鸡,安迪给安送了10支钢笔。2.Bill’s big brother is building a beautiful buildingbetween two big brick blocks.     

英语脱口秀

绕口令是一种语言游戏,能够帮助人们练习发音。读一读下面的英语绕口令,看谁读得又快又好。1.It‘s better to do it than to do it tomorrow.今日做要胜过明天做。     

高考英语实战语法·动词短语

一、“动词+介词”构成的短语动词[历年高考题例]①——Will somebody go and get Dr.White?——He’s aleady been_.(1991)A.asked for B.sent for C.collect for D.looked for②I can hardly hear the radio.would you please_?(1995) A.turn it for B.turn it down C.turn it up D.turn it off     

数学问答?

14.证明:(C0n)2 (C1n)2 (C2n)2 … (Cnn)2=C2nn.(ji m15363@sina.com)证明:C2nn可以看成是从2n个不同元素中选出n个元素的组合数,而若将这2n个不同元素分为各有n个元素的A、B两个?集合,则从A∪B中任取n个元素的组合可分为以下情况:(1)从A中取0个,从B中取n个,有C0n·Cnn种取法;     

对不等式sinA/2sinB/2sinC/2≤1/8的再探究

在△ABC中,有一个熟知的不等式sin A/2sinB/2sinC/2≤1/8.本文借助琴生不等式给出它的几个推广. 琴生不等式 设f″(x)＜0,则 1/nn∑i=1f(xi)≤f(1/nn∑i=1xi) 即 n∑i=1f(xi)≤nf(1/nn∑i=1xi) 引理 若f(x) =sinx,x∈(0,π),则 f"(x)＜0. 定理1 在△ABC中, sinA/nsinB/nsinC/n≤sin3π/3n(n∈N*).     

初中英语第三册单元测试题(Units 7～10)

听力部分(20分)Ⅰ.句意理解(5分)从 A 、B 、C 中选出与你所听到的句子意思相同或相近的一个选项。1.A .Tina started to work in the com pany at22o clock.B.W hen she was 22years old,Tina started to work in the com pany.C.Tina has worked in the com pany for 22years.2.A .A nn went to the concertw ith her father.B.A nn s father didn twanther to go to the concert,butshe wentto it.C.A nn s father has no tickets for the concert.3.A .M y grandm a couldn tfind the library book.B.M y grandm a returned the…     

数学奥林匹克高中训练题(89)

第一试一、选择题(每小题6分,共36分)1.已知集合M={a1,a2,…,a2n+1},N={-22n,-22n-1,…,-2,0,2,…,22n}.若单射f:M→N满足f(a1)+f(a2)+…+f(a2n+1)=0,则这样的单射f有()个.(A)(2n+1)!C2nn(B)(2n+1)!C2nn+1(C)(2n+1)!C42nn++11(D)(2n+1)!C42nn2.已知θ1,θ2,…,θn∈0,2π,令M=(∑ni=1tanθi)(∑ni=1cotθi),N=(∑ni=1sinθi)(∑ni=1cscθi).则M与N的大小关系是().(A)M≥N(B)M≤N(C)M=N(D)不确定3.已知正整数数列{an}满足an+2=a2n+1+a2n(n≥1).若正整数m满足am=2005,则所有可能的m构成的集合是().(A){1,2}(B){1,2,3}(C){1,2,3,4}…     

keep用法面面观

一、keep用作及物动词 1.意为“留着;遵守(诺言、法律等);保守(秘密等)”.如: 1)Here's afive-dollar bill,please keep the change.这是一张五元钞票,零钱不用找了. 2)Can you keep your promise forever? 你能永远遵守诺言吗? 2.意为“(暂时)保管;(暂时)存放”,有时可引申为“借”之意.如: 1)Will you please keep my watch while going swimming?我去游泳时,请你保管一下我的手表好吗? 2)You can keep the book for a week.这本书你可以借一周. 3.意为“供养;饲养”.如: He works over ten hours every day because he has afamily to keep.他每天工作十多个小时,因为他得养活一家人.     

2007年中考英语模拟试题(四)(英文)

Ⅰ.单项选择。(20分) 1. Is there ____ orange in the bottle? I want to have ____ drink. A. some, a B. an, / C. any, / D. many, a 2. The factory is only a ____ walk from our school. A. ten-minutes B. ten minute#s C. ten minute D. ten minutes# 3. It is said t     

迎接“1994”——智力趣题一组

3.参照上题(2)可得 199219921992_1993二9931993 — —<——。 199319931993 门99419941994” 4·解:()用列表法求得: 1.巧妙的计算0‘1‘S“ (l)(+3+5+7+…+1993)一(2+4+6+…十]l‘l‘l‘l‘1994)SI]‘l‘‘‘l (2)1994X199319931993—1993X199419941994;L一一一一一J一二1一二上二二L二二 111 11 从表中看出未位数字是周期性变化,其周期是4。 (3)六\+六\十六二+…+,。”“一’””“”“—————一’“‘”‘“义“’一’“‘”‘——”” IX22X33X41993X1994”un。nn。。_。nn。 1_。。。。。_、1。。。—l。。、即J994十4一498…     

高考对名词性从句的考查

【考点1】对引导词that的考查(有下划线的选为正确答案)1.There is much chance Bill will re-cover from his injury in time for the race.(2006天津)A.that B.which C.until D.if2.—Don’t you think it necessary that heto Miami but to New York?(2005江苏)—I agree,but the problem is hehas refused to.A.will not be sent;thatB.not be sent;thatC.should not be sent;whatD.should not send;what3.fashion differs from country tocountry may reflect the cultural differencesfrom one aspect.(2002上海春)A.What B.T…     

中考英语情态动词典型试题例析

can,could,may,might,must,need,will,would,shall,should,have(has/had)to等是初中学生必须掌握的情态动词,因而,它们也是全国各地历年中考英语中的热点。这里列举一些中考英语含“情态动词”的典型试题,并加以分析,供同学们学习时参考。1.Computersprocessdifficultproblemsvery,veryquickly.A.mustB.needC.shouldD.can(2001年上海市)2.Theroomisbigenough.Ithold100people.A.canB.mustbeC.needD.hasto(2002年南宁市)答案及简析:1.D,2.A。在这两小题中,情态动词can均表示能力,意为“能够”。3.—Willyoustayhereforsupper?—Sorry.…     

2007年中考英语模拟试题(二)(英文)

第Ⅰ卷(共54分) Ⅰ.单项填空。(共18分) 1. I want to know if it ____ or not the day after tomorrow. A. rain B. rains C. raining D. will rain 2. Lucy had heard a lot ____ Beijing. Some things were as she thought. A. of B. about C. to D. for 3. ——Must I finish the homework before ten o!clock? ——No. You ____ finish it before eleven. A. mustn!t B. needn!t C. can!t D. can 4. ——When people are in danger, what do they cry out? ——____ A. Help! Help! B. Save me! C. Come on! Come on! D. …     

Unit 11 Scientific achievements要点解读

一、词语例解1.manv.(1)给……配备人员(to supply with men)We can man ten ships.我们可给10艘船配备人员。The management manned the ship with experienced hands.     

绕口令又被称为什么?

绕口令最大的特点是“拗(ào)口”,可以锻炼人“舌”、“唇”、“齿”互相配(pèi)合的技巧,所以又被形象地称(chēn$)为“口腔(qiān$)体操”。绕口令又被称为什么?     

初三英语Units7—9重难点问与答

1.Q:I’llbeabletowritefaster.(L25P31)句中beableto与can的用法有什么区别?A:can和beableto都可以表示能力,can一般用来表示现有的能力,而要表示“将能够干……”,最好用beableto。例如:ShecanspeakEnglishverywell.她英语讲得不错。IamsureIshallbeabletospeakEnglishverywellintwoyears.我想信我二年以后英语会讲得很好。表示过去的“能力”用can的过去式could和was(were)ableto都可以,只是有时was(were)ableto有“经过努力达到”的意思。例如:Mikecouldswimverywellatthattime.迈克那时游得很好。Miketriedhardandwasabletoswimacrosstheriver.迈克一再努力,终于游过了河。can还可以表示“请求和允许”以及“可能”,beableto没有这种用法。2.Q:Whenhewasachild,hewasalwaystrying...(L26P32)always在进行时态中是什么用法?A:alwa...     

新目标英语八年级(上)Unit 1单元要点检测题

Ⅰ.语音(5分)找出每组单词中划线部分读音不同的一项。(每题1分,共5分)1.A.nam e B.station C.can’t D.date2.A.health B.although C.three D.think3.A.book B.look C.cook D.food4.A.who B.when C.what D.why5.A.drink B.think C.junk D.beginⅡ.词汇(10分)A)用所给词的适当形式填空。(每题1分,共5分)6.M other wants m e(drink)m ilk every day.She says it’s good for m y health.7.I usually eat vegetables ten to eleven(tim e)every week.8.M r W u tries(exercise)every day.9.W hat are the(different)between these …     

证明不等式的一种简捷方法

不等式的证明是中学数学的一个难点,通常利用数学归纳法.现介绍一种较简捷方法,即构造数列,利用数列的单调性给予证明.请看以下几例.例1对于大于1的自然数n,求证:3521212422n nnn∈,则An+1=32?5422n n??12?2n2n+1?n1+1.∴12121nnA n nA n n+=+?+22441144n nn n=+++>,∴An+1>An,∴{An}是单调递增数列.∴An≥A2=23?12=89>1,∴35212422n nn???>.设35211(1,)n242221B nn n Nn n=?????>∈,则Bn+1=23?5422n n??12?2n2n+1?2n1+1.∴21221214112214nnB n n nB n nn+=+?+?=?<,∴Bn+1相似文献