服务承诺
资金托管
原创保证
实力保障
24小时客服
使命必达
51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展
积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈- · [更多范文]
Drought_Problems 时间:2013-11-13
Drought Problems Drought Problems Droughts are real problems for many people but mostly for farmers and ranchers. First of all, farmers sell food to the stores so we can have fresh food in the stores. We should give up some water for them or we wont have fresh food, and food is like a fork because we always need it. Also, the ranchers would have to sell their cattle if they dont h
- · [更多范文]
Dyslexia 时间:2013-11-13
Dyslexia A problem that effects four to five percent of the world population, or some 20 million people, is dyslexia. Dyslexia is a general term that refers to a variety of oral and written language input or output problems. Dyslexia affects people of any intellectual ability, socioeconomic group, and both males and females; even though three times as many males are diagnosed and recei
- · [更多范文]
Dyslexia 时间:2013-11-13
Dyslexia Dyslexia- literally meaning poor language- is characterized by difficulties in comprehending, and expressing the written/oral language. It is neither a disease, nor a behavioral or psychological problem. It has no cure. Dyslexia was first described, in 1896, by an English ophthalmologist W.P. Morgan, who called it "word blindness". For years, dyslexia has been misdiagnosed fo
- · [更多范文]
Earthquakes 时间:2013-11-13
Earthquakes Evolution of The Solar System Theories of the Origin of the Moon The Moon is the only natural satellite of Earth. The distance from Earth is about 384,400km with a diameter of 3476km and a mass of 7.35*1022kg. Through history it has had many names: Called Luna by the Romans, Selene and Artemis by the Greeks. And of course, has been known through prehistoric times.
- · [更多范文]
Earthquakes 时间:2013-11-13
Earthquakes Earthquakes The energy from earthquakes can be equivalent to thousands of atomic bombs exploding. This alone, demonstrates how powerful earthquakes are. They can destroy human works, kill vast numbers of people, and alter the very shape of our land (53). For thousands of years, earthquakes were assumed to be produced by strong winds, but as many studies have shown that
- · [更多范文]
Ecstacy 时间:2013-11-13
Ecstacy Ecstasy Ecstasy Chemically, ecstasy is known as methylene-dioxymethamphetamine or MDMA. It falls between two major categories of drugs, hallucinogens and amphetamines. Ecstasy usually comes in the form of a small tablet. In 1914, MDMA was first used as a prescription drug to reduce appetite. However it wasnt until 1981 when American youths first started using it as a
- · [更多范文]
Effects_Of_Alcohol_In_The_Liver 时间:2013-11-13
Effects Of Alcohol In The Liver Effects of Excessive Alcohol in the Liver The liver is one of the most important organs in the body. It takes care of poisons from blood, makes immune agents to control infection, and also cleans blood. When an excessive amount of alcohol is consumed the liver cannot properly metabolize causing liver disease. When this happens the liver can develop fa
- · [更多范文]
Effects_Of_Smoking 时间:2013-11-13
Effects Of Smoking One way that smoking effects your lungs is to trigger mucus secretions. These secretions can build up over time and end up blocking the airways. There are also microphages located in your respiratory tract. Microphages are good for fighting infection and smoke particles can kill the microphages. One of the worst effects is because of carcinogens. C
- · [更多范文]
Egg_Drop 时间:2013-11-13
Egg Drop What to do and not do Next Time In my egg drop project, there were two basic space- shapes. One was the triangle and the other a cube. We dropped my final project from the upstairs in the shop. Velocity, acceleration, and inertia definitely affected my egg in a negative way. A scrambled egg is not what I was hoping for. This is what my egg project looked like (the basi
- · [更多范文]
Electrons 时间:2013-11-13
Electrons The identity of the electron goes back to 1752 when Benjamin Franklins discovery set other scientists out trying to see if electrical energy could travel through gases other than the atmosphere. This was proven to be true and that electrical energy and particle movement also produced a ray even when it was not moving through any gas. This surprised early investigators becaus
- · [更多范文]
Electrophoresis 时间:2013-11-13
Electrophoresis Electrophoresis is the process by which charged particles suspended in a solution may be separated through the application of an electric current. Electrophoresis was developed by Arne Tiselius. The process is used in medicine and biochemistry (science concerned with the organic and physical chemistry) to separate, identify, and measure the amount of various proteins.
- · [更多范文]
Chemistry,_Microscopy_And_Toxicology 时间:2013-11-13
Chemistry, Microscopy And Toxicology Forensics is defined as the aplication of science to interpret clues for crime investigation. The earliest forensic scientists were physicianswho were called upon to give an opinion as to the cause of death in individuals. Now most of the forensic scientists are investigators that pick up clues at the crim scene. Because criminals often are not the br
- · [更多范文]
Energy 时间:2013-11-13
Energy Energy Will Take Us There Have you ever thought about how we get the energy to run the things we take for granted every single day' Energy is one of the most fundamental parts of our lives. We use energy to fulfill our needs. Energy lights our cities. Energy powers our vehicles, trains, planes and rockets. Energy warms our homes, cooks our food, plays our music, and is what gi
- · [更多范文]
Energy 时间:2013-11-13
Energy Close your eyes, now try to imagine a world with no energy. --- Imagine waking up at about 6 to begin your day. You reach for the light switch and realize it is not working. You scatter around the house for a light source, you even reach for a flashlight. BUT wait no batteries. The only form of light that you will receive comes from that one small candle you are forced to use. Yo
- · [更多范文]
Energy_Scientists 时间:2013-11-13
Energy Scientists Count Allesantro Volta Allesantro Volta was born to a noble family on October 19, 1745 in Como Italy .He was educated at the public schools there, and though not an outstanding student, he had decided to become a physicist at the age of fourteen. In 1774 he was appointed professor of physics at the Royal School in Como, and the following year he invented the electophos
- · [更多范文]
Environment 时间:2013-11-13
Environment In todays society the environment is a big problem. There are lots of types of pollutions today other than just air. Here are some just to name a few: home, air, water, ground, noise and radiation. Its about time we do something about it! Air pollution occurs when wastes dirty the air. People produce most of the wastes that cause air pollution. Such wastes can be in
- · [更多范文]
Ephedra;_Harmless_Or_Helpful_ 时间:2013-11-13
Ephedra; Harmless Or Helpful' Ephedrine has been used for many years as a stimulant and fat burner. It is found in many products such as Metabolife 356, Advocare, Yellow Subs, and Xenadrine. Ephedrine, also known as ma huang, has sickened or killed over 800 users. (Andrews pg. 1 of 4). Its many side effects such as increased body temperature, sweating, dry mouth, and tremors lead to
- · [更多范文]
Cloning 时间:2013-11-13
Cloning To Clone or Not to Clone Your kidney fails and you need a new one. Oh no! There are none available. That is not a problem; your doctor pulls out one of your hairs and uses the stem cells to create you a new kidney. The new kidney is transplanted and you are saved. This scenario is just one of many ways cloning can save lives or at least make them better. The amounts of posit
- · [更多范文]
Cloning 时间:2013-11-13
Cloning To Clone or Not to Clone Your kidney fails and you need a new one. Oh no! There are none available. That is not a problem; your doctor pulls out one of your hairs and uses the stem cells to create you a new kidney. The new kidney is transplanted and you are saved. This scenario is just one of many ways cloning can save lives or at least make them better. The amounts of posit
- · [更多范文]
Epo 时间:2013-11-13
Epo Erythropoietin, otherwise known as EPO, is a performance-enhancing drug that has been taken by elite endurance athletes for only a few years. EPO is a natural component of the bodys red blood cells that works as a catalyst for red blood cell production. Until recently, EPO was only a natural substance. Scientists and doctors have synthesized EPO and turned it into a consumable sub
- · [更多范文]
Ergot 时间:2013-11-13
Ergot One of the most fascinating of the natural hallucinogens comes from a fungus called ergot, which grows on the grains of grasses, especially rye (Secale), but occasionally on barley (Hordeum), wheat (Triticium), and several wild grasses. An infected grain produces a hard, black, spur-like structure called a sclerotium. In fact, the name ergot comes from the French word argot, which
- · [更多范文]
Erosion 时间:2013-11-13
Erosion For many decades the approach to rapid coastal erosion was to build up sea defenses, to try and slow down or even stop the erosion. Initially the attempts were thought a success, however after some years it was realized that the power of the sea and waves could overcome any human attempts to control the power of the sea. Only could protection be a success if huge costs were going
- · [更多范文]
Essentials 时间:2013-11-13
Essentials Our food provides both the energy we need and the building blocks for making our own structural and functional molecules. Vitamins are organic substances needed in our food in very small quantities for the maintenance of normal metabolism. Minerals are inorganic substances some of which are essential in the diet. About four percent of the total body weight is minerals, usua
- · [更多范文]
Ethical_Concerns_Of_Social_Research 时间:2013-11-13
Ethical Concerns Of Social Research The purpose of this fourth assignment we were required to complete is to take a look at some of the ethical concerns of a social researcher. My intentions for this assignment were to contact a number of social researchers and ask them to answer a sequence of three short questions pertaining to ethical concerns they may personally have while conducting
- · [更多范文]
Ethics_In_Pharmacy 时间:2013-11-13
Ethics In Pharmacy How does a pharmacist make a decision when faced with an ethical dilemma' What is the thought process as both sides of an ethical issue are examined' What past experiences and educational tools would contribute to a pharmacists moral opinion' Questions such as these are very personal and difficult for many people to answer. Often a clear answer is not possible, or
- · [更多范文]
Evolution__Fact_Or_Fiction 时间:2013-11-13
Evolution: Fact Or Fiction Evolution: Fact or Fiction "The affinities of all the beings of the same class have sometimes been represented by a great tree. I believe this simile largely speaks the truth. The green and budding twigs may represent existing species; and those produced during each former year may represent the long succession of extinct species . . . The limbs divided into
- · [更多范文]
Bermuda_Triangle 时间:2013-11-13
Bermuda Triangle The Bermuda Triangle On a bright, clear June day a plane, passing through what is called the Bermuda Triangle, sends a SOS signal to the tower. Suddenly, the radio contact suffers a break, the plane never makes contact again. One can only imagine what happened to those people aboard the aircraft, many may say that the disappearance concerned UFOs, while others say that
- · [更多范文]
Bermuda_Triangle 时间:2013-11-13
Bermuda Triangle Bermuda Triangle Off the southern tip of Florida lies a phenomenon called the Bermuda Triangle. Ships, planes, and over one thousand lives were lost in the Triangle without a trace. Theories have been put forth, but still no universally accepted explanation exists for the mystery that surrounds the Bermuda Triangle. The Bermuda Triangle covers almost 440,000 square m
- · [更多范文]
Euthanasia 时间:2013-11-13
Euthanasia Euthanasia Euthanasia which comes from the Greek meaning of easy death is one of our societies highly debatable issues and the main reason for this argument is against active euthanasia, which is when a terminally ill patient is administered with a lethal drug or using other means to cause there death. There is also Passive euthanasia, which means the stopping or not starting
- · [更多范文]
Euthanasia 时间:2013-11-13
Euthanasia An eighty-seven year old grandmother on a respirator, a newborn child with AIDS, and a father in a coma; all put to death by respectable doctors with the O.K. of their families. But is it really O.K.' Euthanasia, or doctor-assisted suicide, has become as common as jumping off of a fifteen story building or taking a gun to ones own head. Certainly society frowns upon suicid

