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1、 Thomas Edison invented the first bulb which turns out to be the derivation of modern illumination apparatus and electronic era. However, the most appreciated thing in the invention is for Edisons insistence and courage in the whole course. Thomas Edison derivation of modern illumination apparatus a
2、nd the beginning of electronic era appreciated insistence and courage 毛泽东与文化大革命 erroneous perspective 错误观点 capitalism economic stagnation 经济停 滞 In the 1970s, Chairman Mao formed an erroneous perspective on economic and political conditions of that time, which insisted that Chinese people should get
3、together to wipe out anything in relation to capitalism. As a result, people all over the country began to wage a large-scale campaign as a response, which led to the nations lasting economic stagnation for nearly ten years. Environmental problems 环境问题 With the advancement of industry, people nowada
4、ys start to expand their business rapidly, which has resulted in serious environmental problems: forests and pasture lands disappear at a terrible speed; the depletion of atmospheric ozone seems never to stop, desertification, air pollution and water pollution and so on. In turn, these problems have
5、 brought a detrimental effect on human life. Desertification pasture lands bring detrimental Family disputes divorce 离婚 loyalty Meanwhile, disloyalty is also one of the main reasons for divorce and family disputes. How many people would like to marry a person who is reluctant to keep his or her prom
6、ise for loyalty in the marriage ceremony? How many people would fall in love with a person who prefers to love other men or women? Undoubtedly, disloyalty always causes family disputes and divorce, which harm the person and the other. Disloyal to friends Without it a firm relationship between people
7、 can hardly be formed. People are less likely to make friends with such a person who often betrays his or her friends by speaking ill of them to others. Bill Clinton on the other hand, if population grows too much faster than food production, the growth is checked 延缓 by famines, diseases, and wars.
8、Malthuss theory contradicted the optimistic belief prevailing in the early 19th country, that a societys fertility 肥沃 would lead to economic progress. The writings of Malthus encouraged the first systematic demographic studies. Hesitation 犹豫犹豫 stay at home nurturing children caring for elders achiev
9、e success In the nineteenth century, most employers would refuse without hesitation any request for outdoor work from women, because they firmly believed that women should stay at home, nurturing children and caring for elders. However, this unfair and harmful notion has been corrected today. A numb
10、er of talented women have not only been offered the outdoor work but also have achieved great success in most fields such as business, government, and science and so on. Nowadays women have become an indispensable part in society compared to their limited role at home in the past. Confidently possib
11、ility compatible 兼容的兼容的 ethically its genetic donor 基因供体基因供体 Consider, for example, the technology of cloning. At the beginning of the study of this technology, scientists confidently proclaim 宣告 that the possibility of cloning humans will greatly benefit people because it provides a new cure for pa
12、tients in need of compatible organs for survival. However, in fact, the new technology has caused a number of controversial issues: Is it ethically right or wrong to clone humans for their body organs? What psychological 心理学 issues would result for a cloned child compared to its genetic donor? In ef
13、fect, most nations in the world have began to regulate the study of human cloning with various degrees of restriction. For instance, France and Italy have banned cloning altogether, and the United Kingdom has passed a relevant law, which prohibits placing a cloned human embryo in womens bodies. The
14、dangers of sleep deprivation 丧失 go far beyond the obvious risks and can, in fact, underminde all areas of an individual physical and mental health. Sleep deprivation weakens the immune system, making an individual more prone to diseases, such as the common cold and diabetes 糖尿病. Consider the example
15、 of Deng Xiaoping, the outstanding leader in Chinese history. In the 1970s, in an effort to solve the problem of economic stagnation and lasting poverty of the nation, the new leader put forward the Reform and Opening policy, which encouraged the development of free-market economy and decreased the
16、proportion 比例 of plan economy, because plan economy had seriously stunted 阻碍 the further development of this nation. However, the new policy was not understood and even resisted by groups of people, because before 1970 they were always encouraged by Chairman Mao to eliminate 排除 any economic phenomena relevant to capitalism, including free-market economy. Fortunately, the insistence of Deng in carrying out the new policy has final
