共查询到20条相似文献,搜索用时 15 毫秒
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It is a multifactor optimization problem to arrange examinations on a large scale for universities. In this paper, a kind of grouped optimization algorithm was proposed. A principle about related degree, which plays a core role in realization, was introduced in the algorithm. According to the algorithm, we worked out a set of software correspondingly and applied it to a certain university in Shanghai to arrange examinations. It shows that the algorithm is very effective. 相似文献
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李钢所 《山西教育(综合版)》2001,(6)
It was October 1.It was Tom's birthday.Hesaw a card on the table when he came back home.It said,“There is a present for you,Tom.L ook forit in your room.”Tom ran to his room,His parentswere watching him and smiling.On His bed he sawa new red box.He thought,“My presentmust be init.”He opened it.There was nothing but a card init.He took it out and read,“Dear Tom,I am yourpresent.My first letter is in the word‘pear’,butnot in the word‘bear’.My second letter is in‘tell’but not i… 相似文献
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高岩 《沙洋师范高等专科学校学报》2012,(2):26-27
I.IntroductionThe study of the.lexical approach focuses on the understanding ofa lexical-grammatical unit,which was called lexical phrase by Nattinger and Decarrieo and was called chunks by Michel Lewis.It is a multi-word unit of varying lengths,which has a fixed orrelatively fixed structure and expresses a certain meaning.It is prefabri-cated and frequently used.As a language teacher I think chunks arevery useful in language teaching and the lexical approach is a way of improving my teaching.They make sense in the classroom as they help 相似文献
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Tina Boikos 《海外英语》2008,(7):49-49
Maple syrup is a sweetener made from the sap of maple trees.Sucrose is the most prevalent sugar in maple syrup.It is commonly used on pancakes,waffles,and the traditional Canadian French toast.It was originally collected and used by Native Americans and was later adopted by European settlers. 相似文献
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《英语辅导》2003,(32)
Nobody knows for certain where ice cream first came from. It is said that the Roman Emperor Nero used to have fresh snow brought from the mountains to mix with honey and fruit juice to make a tasty ice dish. Another story says Marco Polo took recipes for fruit ices from China to Europe in the 13th century. 相似文献
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姚兰芳 《初中生世界(初三物理版)》2005,(11)
I will tell you a story about a Chinese student who went to study in England.His surname(姓)was Sun (孙),It is spelled S-U-N,just as the word “sun”in the sdy ,England is a country with bad weather It is often cloudy o misty ( 有雾) ,and it rains now and 相似文献
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《Reading and Writing(初中版)》2009,(Z1)
Telephone is installed1 in almost all houses in the city now.It is a very convenient means by which people communicate with each other.Before telephone was installed in my house,we had to 相似文献
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The computer is the most important invention since the type of engine was used in cars. Today it is the greatest effect on science, industry and business,but it’s being used more and more in education and medicine. It has touched the lives of everyone. It’s a revolutionary invention. The oldest kind of computer is the abacus (算盘),used in China since the sixth century. In the seventeenth century an adding machine was invented,but the first large modern computer was built in 1937. 相似文献
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郑馨媛 《英语大王(小学)》2014,(7):70-70
Last summer, my family and I went to Qingdao. Qingdao is a beautiful city. It is in the east of China. The sun was bright, the sky was blue, the sea was big and the water was dean. We swam in the sea and saw a lot of fish. Weate some seafood (海鲜).The seafood was yummy. I loved the seafood very much. We took many photos, and l bought some nice gifts (礼物) for my friends. I had a good time in Qingdao. 相似文献
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《Reading and Writing(初中版)》2007,(Z1)
My primary school is a delightful1 memory. It is full of joy and happiness. The memory of it always makes me happy. To tell the truth I was not a good pupil at that time. I didn't work hard, but I was not bad. Our school was located in a three floor2 bu… 相似文献
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王晨 《英语大王(小学)》2006,(3)
I have something exciting to tell you. I made a Japanese friend on the Internet. It was Sunday. I surfed on the Internet as usual. I opened my OICQ. I wanted to make some friends. At last I chose a girl named Tracy. We talked with each other in English. It was a surprise for me to know that she is a Japanese girl. And now she lives in Shanghai 相似文献
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《Reading and Writing(初中版)》2007,(4)
Once there was a young man who asked a wise elder,"It is said that you can foretell1 things that happen in the future. 相似文献
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姜红伟 《中学英语园地(高三版)》2006,(9)
Switzerland is famous for its watches. However, it was not this country that made the first watch in the world. It was the Britain who did it. Here is a story of how the watch was brought to Switzerland. Many years ago, an Englishman was traveling to Ital… 相似文献
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《Reading and Writing(初中版)》2005,(9)
It is very boring to be alone in the afternoon. I always think a lot when I am alone,because I won’t be disturbed.It seems as if a bee is flying in my head that I can hardly stop thinking.I think not only what I have seen,but also what I have heard.Everything surrounding me could make me think. I walked out of the McDonald,thinking the meaning of the soft drink I had just now.It was no more than spending some money senselessly,I thought.My head was empty.Suddenly,I had a plan,why not si… 相似文献
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There is a gong like this: "Looking back on how it was years gone by, and the good time that I had." I agree. The time I spent in Grade 2 was most unforgetable in my school life. It had a great effect on my studies, especially my English study. 相似文献
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"Nothing is too difficult in the world if you putyour heartinto it." This is a fam ous saying. But I didn’ t understand it until oneday Im etwith a specialgirl. It was a cold afternoon of a Tuesday. I was walking alone in an alley. The road was slippery, forithad snowed the day before andthe snow hadn’ tm elted, Ifeltvery cold, notonly because ofthe weather, but also ofm ybad m ood. I failed in this exam ination andwas blam ed by m y parents justnow, I nearlylostheart. Atthatm om… 相似文献