科学和技术是一把双刃剑(英语500单词)

1、最新 料推荐With the development of technology, our life has been greatly improved, at the same time it also brought harm to people. As a consequence, science and technology likes a double-edged sword, because it benefits human by promoting economic and social development, but it may have negative consequ

2、ences for human survival and development under certain conditions.The Positive Effects Of Technology Development OnHuman LifeIn many ways, Science and technology improve peopleslives.In termsof medicine,the emergenceof a varietyofmodern technologies saves the lives of many people. In terms of astron

3、omy, meteorological satellites can accurately predict future weather changes over time, the production of human life; it provides convenience to the production of human life. From the aspect of human life, all kinds of electrical appliances makelife comfortable, such as air conditioning. From the 21

4、st century, science and technology, especially the rapid development of computer network technology and electronic information technology, makes mobile phones and computers entering the homes of people, and they become the1最新 料推荐necessities of our lives. Especially the popularization of the computer

5、, we can chat with friends and family on the internet;we can read news, watch movies and play games online; we can listen to the teacher in the class and check the information; now, online shopping is very popular, too.Thus, we also must be admitted that science and technology is changing our life a

6、nd culture in certain degree.The development of science and technology promote the process of human, and humans have this new and better life.The use of hi-tech technology make means of production become more modern, automated, which greatly improves production efficiency.However, the drawback of te

7、chnology is real; moreover, its presence is likely related to the fate of our planet.The Negative Effects Of Technology Development On Human LifeFirst, one of problems is the global warming. Due to a variety of the use of fossil fuels, greenhouse gases emissions produce the greenhouse effect, making

8、 global warming, leading melting of Arctic ice and anomalous climate.The second is the formation of acid rain, as cars and factories that release a great deal gases, including some acid2最新 料推荐gas. Whenit rains,they will formacid rain,whichcorrodebuildings and hurt peoples skin.Third, at present alon

9、g withtherapiddevelopmentofbiological technology, biological safety problem has become abig propositionthat influenceeconomicandsecurityandpolitical of the whole country,thewholeworld .Forexample,SARS virus.Therearemanyproblems.Forinstance,owingtoadvances in computertechnology,youngpeople abandonedt

10、heir studies, they can notextricatethemselves.Airconditioningand refrigeratorsalsodestroyourpreciousatmosphere. As a consequence, science and technology is a double-edged sword. On the one hand, it can break backward,on the other hand it also bring human endless disaster. Its negative effects should not be ov