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科技和发展作文推荐5篇

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科技和发展作文推荐5篇

科技和发展作文篇1

利大:从许多方面表现出来:从医学说:各种现代化技术的出现,激光手术等,挽救了许多人的生命;从天文方面:人造地球卫星,宇宙飞船的发明,比如气象卫星,能精确的预测未来一段时间内的天气变化,为人类的生产生活提供了方便;从人类生活方面:各种电器使人们生活舒适,比如空调,冬暖夏凉;当然,科学的进步不可避免的伴随着负面影响,但有利的一面毕竟占着绝大部分。

从有了网络,就有了上网的人;有了上网的人,便有人说上网的利弊。今天,作为一个大学生,我是如何看待大学生上网的呢?我觉得应当一分为二的看。

网络最初是运用于企业的,用来查阅公司所需的资料,也用来洽谈生意。这时的网络尚未普及,可是,它的作用是积极的。此时的网络除了尚不完善外,我想还没有什么利弊之分。

随着技术的.提高,网络日趋完善,也渐渐普及了。为了更适应大众的需要,有了网络游戏,有了3万吨,年平均增长率超过20%,特别是城市、主要交通沿线、旅游景点的垃圾中塑料废弃物迅速增加。

据调查,北京的生活垃圾年产量已达300万吨,其中废塑料约占3%,年增长率达48%。沿海地区城市的垃圾中塑料成分更高,达8-10%。这些废塑料在垃圾中占的比例若以体积计算,已达三分之一以上,而且大大增加了垃圾处理的难度和费用。

由于废塑料几百年都难以降解,若丢弃在自然环境中,会给蚊子、苍蝇和细菌提供生存繁育的温床;若埋藏在地下,则容易污染地下水,妨碍植物根系生长,破坏土壤品质,影响作物收成;若用火焚烧处理,将产生多种有毒气体。“白色污染”已成为当前危害我国社会环境的一大公害,严重阻碍了我国经济和环境的可持续发展。

目前我国一次性餐具的年消费量约100亿只,主要为发泡塑料制品,使环境破坏。对自然的危害: 和我们使用的任何一种工业产品一样,空调必然会给我们的环境带来一定的负担。几年前,空调对自然的影响主要集中讨论在制冷剂对地球臭氧层的破坏上,但是这些年,由于制冷剂更新行程的发展,这已经不是主要因素了。未来空调对自然的影响还是体现在能耗这个领域,空调能耗已占我们生活和工业总能耗中很大的比重。能源的开材和给大气环境释放大量的热量,己以给我们的自然环境响成的很大的负担,这才是我们长期以来要解决的重大问题。

电脑:因为电脑,有了网络,有了网络游戏。所以,青少年无法自拔,荒废学业,无所事事。

汽车:人口膨胀,如果每人一部汽车,人类还有生活空间么?

空调:降低了人对自然环境的适应能力,减小了免疫力。

这个辩题我觉得最重要的不是列举科技给人类带来的种种坏处,因为如果你的眼睛只是盯着坏处的话,那么对方就很可能抓住这一点攻击你们:对方辩友,你们总是列举科技的种种坏处,似乎科学技术的发展给人类带来的只有灾难,那为什么我们现在还强调科学技术是第一生产力?为什么人类还要继续发展科学技术呢?

记得有这么一句话:科技是把双刃剑,一方面能够砸烂愚昧和落后,另一方面也可能带给人类无尽的灾难。这个时候我们强调科技给人类带来的痛苦与灾难正是为了这把双刃剑能够最大程度发挥它的正面作用造福人类而不是相反。所谓良药苦口利于病,这是因为对于科技理性而全面的思考才能够使得科技始终在人类的掌握之下不会反过来祸害人类。

结论:科技的发展固然重要,但不能在能合理正常使用的前提去发展,发展首先得净化思想,只有没个人的思想和心灵得到发展和提高了,所开发出来的高科技开能永久的有益于人类的发展,自然的和谐!

科技和发展作文篇2

all kinds of inventions made possible by technology are designed to be the slaves of human beings, if human beings are not to be slaved by machines. once upon a time, we were plain people, but that was before we began having relationships with technological systems. by getting involved with computerized machines, we could not help changing the way we live and the way we work, for better or for worse it can be realized that life is more complex because much of modern technology is not born to meet primary human needs, and many "unnecessary" inventions are producing negative effects on a living style that used to be relatively simple. thus, there is an overwhelming feeling of complexity in the sense that machines act like humans and humans act like machines. now that "intelligent" machines such as robots are widely applied to take the place of human beings because they are capable of doing many useful jobs, although making many people jobless. those who cannot work with computers are disadvantaged and therefore helpless while the traditional skills and simple ways of life are fading away, never to return again.

科技和发展作文篇3

science today, has become an indispensable part of our life, but science brings us convenience, but also brings us endless hidden dangers.

science in the past ten years, it can be said is the rapid development of ah, but at the same time, the environment is changing with each passing day ah, in the development of science and technology, to bring convenience to human life, have thought of our survival of the earth is taking place in the earth-shaking changes? when we are driving private cars, driving on the double-lane road when have not thought, in the world, there are more and more lives are disappearing? have you ever thought about what will happen to human beings when the primeval forest disappears?

yes, science is a technology that can make it convenient for us, but the saint said, "no man is perfect, no gold is perfect." so if science has advantages, how can it not have disadvantages? there is no perfect person and no perfect thing. take cars for example. nowadays, cars have more and more comprehensive functions, but their exhaust emissions are also increasing, and the probability of car accidents is also increasing. now, on average, tens of thousands of people lose their homes and lives due to car accidents every day. finally led to the tragedy.

with the development of science greatly beyond the previous, such as cars, trains, planes and other means of transportation are also popular, now we are not only physically weak, but also easy to get sick. although the medical technology is very advanced, but the road is higher than the devil, it is also because of the development of medical technology today, led to the accelerated mutation of bacteria. so much so that scientific medicine has been unable to keep up with the evolution of the virus, and perhaps the extinction of the human race was due to a pandemic.

in a word, with the development of science and technology, there are advantages and disadvantages, but the advantages and disadvantages are really to our own weigh. dont do things that are harmful to others.

there will always be advantages and disadvantages of science. just as the book of changes says, everything has two sides, both yin and yang. however, the number of yin and yang depends on whether the creator has taken it into consideration. so when we create another thing, we must take a long time to think about it and not let the disadvantages outweigh the advantages.

科技和发展作文篇4

现在人们的科技越来越发达,生活水平也越来越好。科技虽然会绐人们带来便利,但同时也会给人们造成影响,给人类及自然环境带来了极大的灾难。科技会是地球妈妈伤痕累累啊!所以我觉得科技发展弊大于利。

若干年前的地球森林资源是那么的丰富,几乎整个地球除了海洋就是树木。那真是人间仙境啊!可如今,因为各种生活需要,如:做一次性筷子,做家具,造纸张等。使人们到处滥砍滥伐。造成森林资源大量减少。从20世纪80年代以来,世界每年减少森林面积11万平方千米,荒漠化影响到全球20%的陆地,100年间大气二氧化碳浓度增加了一倍。由于森林覆盖率低,大量野生动物失去了生存坏境,我国濒危物种达到4000多种啊!如果在这样继续下去的话,后果将不堪设想。

各种工厂排出的污水在污染着水的源头,使动物和人类的生命受到威胁。我国人均每年水资源占有量为2730立方米,加拿大为12000立方米,美国为10000立方米。我们的水资源本身就比其他国家少,难道我们不应该比其他国家更珍惜水资源吗?目前我国有1。7亿饮用受到污染的水,这都是因为每年有360亿立方米污水排入江河湖海中,其中4/5未加处理。这都是科技发展带来的后果呀!

森林资源的减少,水资源的污染……这些都是人们科技发展所付出的代价。如果在这样继续下去的话,地球将会毁灭,人类也会灭亡。现在,我们应该多种树,保住森林资源。还应该把污水分开处理。所以我觉得科技发展弊大于利。

科技和发展作文篇5

the rapid development of science and technology has brought about great changes to human life.the great benefits brought about by this progress is hailed in every corner of the world.new electronic appliances have made our life simpler than ever before.new inventions have helped us to organize our daily activities.our job can be done faster.mobiles and qq have made it easier to communicate with other people.internet has enabled us to know and understand other culture and society better.

however,the disadvantages about this development should not be neglected .some of scientific inventions have even caused great harms or disastersto mankind.for example,advanced technology can be easily manipulated by irresponsible persons.besides,we'll be too dependant on it.when technology fails,we are helpless

sometimes,it affects our health and lifestyles(we'll be complacent and lazy.) the chemicals may be hazardous).what's worse,science and tecnology may even destroy our simple and healthy life(sometimes how we miss the traditional style of living!).in addition ,the appearance of new technology may invade our privacy.

to sum up,humans must be alert against the possible harm while enjoying the benefits from them.

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