gre写作辅导：写作资料句子24
10. 日常生活中的科技The place of technology in modern societies is a subject of continuing controversy. Key issues include not only the impact of technology on daily life but also the need to control the development and uses of technological innovations so that they benefit all sectors of society.
11. 科技和社会: 医学科技
Throughout most of human history, limitations on food production, together with lack of medical knowledge, have placed limits on the size of populations. Dreadful diseases like the bubonic plague have actually reduced populations. In England the plague, known as the Black Death, was responsible for a drastic drop in the population in 1348 and for the lack of population growth in the seventeenth century. In 1625 more than 35,000 residents of London died of the plague. Smallpox and dysentery have had similar, though less dramatic, effects.
As medical science progressed toward greater understanding of the nature of disease and its prevention, new public-health and maternal-care practices contributed to rapid population growth. In the second half of the nineteenth century, such discoveries as antiseptics and anesthesia made possible other life-prolonging medical treatments.
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