首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 31 毫秒
1.
“Fingers w ere m ade before forks. ” W hen a person gives up goodm anners, puts aside knife and fork, and dives into his food, som eone is likelyto repeatthatsaying. The fork w as an ancient agricultural tool, but for centuries no onethoughtofeating w ith it. N ot untilthe eleventh century, w hen a young ladyfrom C onstantinople broughther fork to Italy,did the custom reach E urope. By the fifteenth century the use ofthe fork w as w ide spread in Italy. TheEnglish explanation w as th…  相似文献   

2.
《中学科技》2010,(3):31-31
Tom and Nick were on vacation. They were driving along a deserted country road from the town of Kaysville to the town of Lyrmsville. They came to a multiple fork in the road. The sign post had been knocked down and they were faced with choosing one of five different directions,  相似文献   

3.
1. a. ____this road and you'll get to the cinema.b. ____this road,you'll get to the cinema.A. To follow B. FollowC. If following D. Following after2. a. This play is really worthb. This play is really worthy____A. to be seen B. being seenC. seeing D. to see3. a. She____ early before she came here.b. She____ early since she came here.A. used to get upB. has used to get upC. has got used to getting up  相似文献   

4.
Exactness     
M r.Sm ith liked to be exact. O ne day when he was w alking in thestreet a m an cam e over and asked him E xcuse m e but w here‘s the , : “ ,nearest bookshop ?” The nearest bookshop Y ou have to cross a bridge and then turn “ ?to the right. ” A nd is the bridge long “ ?” Thirty m eters. “ ” The m an thanked him and went towards the bridge. Suddenly heheard som eone running after him . Stop M r.Sm ith w as shouting. I‘m sorry. I just rem em bered ...  相似文献   

5.
《中学科技》2014,(6):27-27
You're travelling to some village. At some point there is a fork in the road. You could go two ways but only one of them leads to the village. Lucky for you there are two men standing next to the fork. But unfortunately one of them always lies and one always speaks the truth and you do not know who is who. Since the men do not really like to help you, you are allowed to ask one of them only one question. Which question should you ask'?  相似文献   

6.
In a Zoo     
Tony was very poor and wanted to get a job. One day he read in a news-paper that a man was wanted to work in a zoo.“That will be wonderful,”he thought,“I like animals, and looking after them will be interesting.”So Tony went to the manager of the zoo and asked for the job.“You look  相似文献   

7.
猜词小游戏     
队一hat一,a、。fork。,,(lm。、,th,,,utc云n而t 画 A river. A fork 15 the pointe(It,,1 you uso to(a叮依记腼m your Plate to your mouth. But a fork 15 also the plaee wherea石ver or a road splits and goes in tWO different 。lireetio一5.The幻口outh of a river 15 where the river ente玛the优ean. Fork(叉子)是我们用来吃饭的东西,但是也是指河流或者道路分叉的地方。 河流的Mouth就是河口。 A:l众〕k uP ahead!There’5 a fork in the river.Whieh dlrection should we take了 B:Stay to the right.That’…  相似文献   

8.
戴宝琴 《海外英语》2012,(15):273-274
Americanization is a popular word used after the Second World War to describe the spread of American cultural values and life style in the whole world.As a worldwide phenomenon,it is often mentioned together with culture.Based on several definitions and char acteristics of culture as well as the key elements of Americanization,the relationship between Americanization and culture are discussed here,thus coming to a conclusion that Americanization is a phenomenon of culture.  相似文献   

9.
The optimal evacuation scheme is studied based on the dam-break flood numerical simulation. A threedimensional dam-break mathematical model combined with the volume of fluid (VOF) method is adopted. According to the hydraulic information obtained from numerical simulation and selecting principles of evacuation emergency scheme, evacuation route analysis model is proposed, which consists of the road right model and random degree model. The road right model is used to calculate the consumption time in roads, and the random degree model is used to judge whether the roads are blocked. Then the shortest evacuation route is obtained based on Dijstra algorithm. Gongming Reservoir located in Shenzhen is taken as a case to study. The results show that industrial area Ⅰ is flooded at 2 500 s, and after 5 500 s, most of industrial area Ⅱ is submerged. The Hushan, Loucun Forest and Chaishan are not flooded around industrial area Ⅰand Ⅱ. Based on the above analysis, the optimal evacuation scheme is determined.  相似文献   

10.
A Hard Travel     
It was already late when we set out for the next town. It was about 15 miles away on the other side of the hills. There we felt sure that we would find a bed for the night. Darkness fell soon after we left the village, but luckily we met no one as we drove along the narrow road to the hills. As we climbed higher, it became colder and rain began to fall. It was difficult at times to see the road. So I asked my friend John to drive slowly.chool arden f ng sh N ow we travelled for about20m iles…  相似文献   

11.
A.Prefixes such as pre and post are often added to other word parts to make new words.The prefix pre means "before",the prefix post means "after". pre confirm = preconfirm(to confirm beforehand)post war = postwar(after the war)A . Prefixes such as pre…  相似文献   

12.
A Donkey was being driven down a mountain road.and afterjogging along(慢跑)for a while sensibly enough,he suddenly left thetrack and rushed to the edge of a precipice(悬崖). He was just about to leap over the edge when his Driver caughthold of(抓住)his tail and did his best to pull him back:but Dull as hemight he conldn't get the Donkey to budge(微微移动)from the  相似文献   

13.
阅读下面短文,撑握其大意,然后从1-20各题所给的四个选项(A、B、C和D)中,选出最佳选项。Jenny and Cecilia were going hom e aftervisiting friends,but this w as no ordinary night.W hile they were driving,thunder could beheard and1could be seen.N ever hadTexas seen such a terrible2.M anyhighways were closed because of the flooding.Jenny held the wheel while the flood w aterknocked3her car.Suddenly a wave of flood water sw eptacross the road,4the car into a drain(水沟).Jenny fought to5the vehiclebut the engine stopped.A nother w ave of floodwater covere...  相似文献   

14.
The story happened when I w as ten years old.O n a rainy day,m y father w as busy and he asked m e to go to a shopto buy som ething for him . The shop was about three m iles aw ay from ourhom e.I set out with an um brella in m y hand.The road was very wet andm uddy,and I walked with great difficulty.A fter I bought w hat m y fatherneeded,I started to go back with all the things in m y hand.O n m y w ayhom e I fellseveral tim es,but I w asn tbadly hurt.W hen I was 500m etresaway from our ho…  相似文献   

15.
Congruences for finite triple harmonic sums   总被引:1,自引:0,他引:1  
Zhao (2003a) first established a congruence for any odd prime p>3, S(1,1,1;p)≡-2Bp-3 (mod p), which holds when p=3 evidently. In this paper, we consider finite triple harmonic sum S(α,β,γ;p) (mod p) is considered for all positive integers α,β,γ. We refer to w=α β γ as the weight of the sum, and show that if w is even, S(α,β,γ;p)≡0 (mod p) for p≥w 3; if w is odd, S(α,β,γ;p)≡rBp≥w (mod p) for p≥w, here r is an explicit rational number independent of p. A congruence of Catalan number is obtained as a special case.  相似文献   

16.
This paper developed 3D product models of motorcycle and engine by UGNX as well as virtual prototyping by ADAMS program with road roughness generated by MATLAB. Under the straight-line running condition, the dynamic responses of motorcycle multibody system to both road and engine excitations were compared with those to only road excitation in terms of vertical acceleration response, amplitude frequency response and power spectral density. The comparisons of simulation data showed that the response due to flat road excitation was around 20 Hz, while that to the combined excitations was in a wide frequency band, of which the major components focused on 10 Hz, 15 Hz, 35 Hz ,70 Hz, 100 Hz and even higher frequencies, reflecting the characteristics of engine excitation based on its unbalanced inertia force and torque. It is concluded that the high fidelity virtual prototyping can simulate the dynamics of motorcycle product well in investigating the vibration and ride comfort performance.  相似文献   

17.
(1)疑问词+不定式结构疑问词w ho,w hat,w hich,w hen,w here和how后加不定式可构成一种特殊的不定式短语。它在句中可以用作主语、宾语、表语和双重宾语。例如:W hen to starthas notbeen decided.何时动身尚未决定。(主语)Idon’tknow w hatto do.我不知道该怎么办。(宾语)The difficulty w as how to cross the river.困难在于如何过河。(表语)Ican tellyou w here to getthis book.我可以告诉你哪里可以买到此书。(双重宾语)(注)A.有时疑问词前可用介词,例如:Ihave no idea ofhow to do it.我不知道如何做此事。B.动词know后面不能直…  相似文献   

18.
ABSTRACT     
China's development road of the new era has experienced gradually the process from formation to spread and improvement: the CPC Central Committee taking Deng Xiaoping as the core brought order out of chaos and formed China's development road of the new period in the entirely reform; the CPC Central Committee having Jiang Zemin as the core spread China's development road of the new era in the overall layout and strategic steps, in spite of the international and domestic political turmoil; During Hu Jingtao as the general secretary, the CPC Central Committee improved China's development road of the new era in the world outlook and methodology, the overall goal of the layout and development goal and in the process of constructing a well-off society and accelerating the socialist modernization.  相似文献   

19.
Exactness     
M r.Sm ith liked to be exact. O ne day when he was w alking in thestreet a m an cam e over and asked him E xcuse m e but w here's the , : “ ,nearest bookshop ?” The nearest bookshop Y ou have to cross a bridge and then turn “ ?to the right. ” A nd is the bridge long “ ?” Thirty m eters. “ ” The m an thanked him and went towards the bridge. Suddenly heheard som eone running after him . Stop M r.Sm ith w as shouting. I'm s…  相似文献   

20.
What Is the Use of the Hum ps on Camels?The humps(驼峰)on a cam els back are actually huge heaps of fatand flesh that can weigh as much as 80pounds in a healthy cam el.Thesehum ps help cam els survive for weeks withoutfood and water.When water and food becom escarceon the deserts w here cam els roam , thefatty hum ps serve as stored food and areused for nourishm ent (营 养 ). Asthecam els body metabolizes (新陈代谢) oruses up the hum ps stored fat,the hum pbecom es sm aller and fiabbier(更松…  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号