专四历年优秀作文范文【推荐6篇】
专四历年优秀作文范文 篇一
人工智能对人类社会的影响
随着科技的不断发展，人工智能（Artificial Intelligence，AI）逐渐成为当今社会的热门话题。人工智能的出现对人类社会产生了深远的影响，不仅在科技领域带来了巨大的变革，同时也在经济、教育、医疗等各个领域发挥着重要作用。
首先，人工智能在科技领域带来了许多创新。AI技术的应用使得大数据分析、机器学习、自然语言处理等成为可能。例如，自动驾驶技术的发展使得交通事故率大幅下降，为人类出行提供了更安全的方式。另外，在医疗领域，人工智能的应用可以提高医疗诊断的准确性和效率，有助于更早地发现疾病并进行治疗。这些创新使得人类生活更加便捷和高效。
其次，人工智能对经济的发展起到了积极的推动作用。AI技术的应用使得许多行业的生产效率大幅提升，从而为经济的发展注入了新的动力。例如，人工智能在制造业领域的应用使得生产线更加智能化和自动化，大大降低了生产成本。另外，AI技术的发展也为新兴产业的兴起提供了契机，例如无人机、虚拟现实等行业都与人工智能密切相关。这些都促进了经济的快速增长和就业机会的增加。
然而，人工智能也带来了一些挑战和问题。首先，人工智能的发展可能导致部分岗位的失业。许多传统的劳动力岗位可能会被机器人所取代，从而导致一些人失去工作机会。其次，人工智能技术的应用也带来了一些伦理和道德方面的问题，例如隐私保护、数据安全等。这些问题需要我们在推动人工智能发展的同时，也要加强对相关法律法规的制定和监管。
综上所述，人工智能对人类社会产生了深远的影响。虽然人工智能带来了一些挑战和问题，但是它的发展也为人类社会带来了许多创新和进步。我们应该积极推动人工智能的发展，并在解决相关问题的同时，更好地利用人工智能为人类社会的发展做出贡献。
专四历年优秀作文范文 篇二
网络对青少年的影响
随着互联网的普及和发展，网络已经成为青少年生活中不可或缺的一部分。然而，网络对青少年的影响是正面的还是负面的，引起了广泛的关注和讨论。尽管网络为青少年提供了更广阔的信息渠道和社交平台，但是也存在着一些负面的影响。
首先，网络为青少年的学习提供了更多的资源和机会。通过网络，青少年可以获取到丰富多样的学习资料和教育资源，帮助他们更好地学习和掌握知识。另外，网络还可以提供在线学习平台，使得学习更加灵活和便捷。这些正面的影响有助于提高青少年的学习能力和综合素质。
其次，网络也为青少年的社交提供了更多的机会。通过社交媒体平台，青少年可以与朋友、同学以及其他人进行交流和互动，扩大自己的社交圈子。这种交流方式有助于培养青少年的沟通能力和合作精神。另外，网络社交也为青少年提供了表达自己观点和意见的平台，增强了他们的自信心和独立思考能力。
然而，网络也存在一些负面的影响。首先，过度使用网络可能导致青少年沉迷其中，影响他们的学习和生活。长时间的上网会使得青少年缺乏运动和社交的机会，从而对身体和心理健康产生不良影响。另外，网络上存在一些不良信息和不良行为，如网络暴力、网络欺凌等，这些都会对青少年的成长和发展产生负面的影响。
综上所述，网络对青少年的影响是双重的。虽然网络为青少年的学习和社交提供了许多机会和便利，但是也存在着一些负面的影响。因此，我们应该在教育和引导青少年正确使用网络的同时，也要关注和解决网络带来的负面问题，确保青少年健康、快乐地成长。
专四历年优秀作文范文 篇三
Twenty years later,I have been working adult,one day,when I was at work,all of a sudden,one smells like d
isgusting in the not far from the _waste collection_.
I insist on for a while,but eventually can't bear the blow of the smelly to know,I went _garbage collection_.I see,the environment here makes me dumbfounded._Day!_ I environment here is worse than I expected: the garbage cans,lunch box,the land of sorts of color plastic bags flying,branches,grass everywhere,it can be seen to be this scene,I was surprised,for the environmental pollution and disappointment for those who litter at random.
The human damage to the Marine world also,faint suddenly became dark deep blue sea fish,shrimp are also quietly the pain of sounds from a distance of _fish kill factory_ gushed the,I saw several young man armed with a sword,there are several person of great strength with tenacity matchless a blue whale to head weighs one hundred and eighty thousand blue whale struggled desperately,want to get rid of the clutches of the human it again how to swing his big frame,also hard to escape the a moment,the blue whale head,slowly and in a pool of blood,it forever left the world.
专四历年优秀作文范文 篇四
While modern life offers us many conveniences, it also requires us to deal with pressure and frustration in daily life. It is important for all of us to find a way to relieve the stress in order to live happy and healthy lives. Some people prefer to engage in physical exercise, and some feel more relaxed after watching TV or even sleeping. As for me, I find that the best way to reduce stress is to spend time with family and friends.
One reason I prefer to spend time with others is that their company is a pleasant distraction. When under stress, if I spend time alone, I may continue to dwell on my problems. However, sharing good times with family or friends helps me to forget my worries. Another reason is that I have an opportunity to discuss my problems. Their advice is often helpful because they can see my situation more objectively than I can. Furthermore, simply talking about my problems often makes me feel better. Finally, spending time with others reminds me of what is important in life and helps me to keep things in perspective.
For all of these reasons, I believe that the best way to reduce stress is to spend time with others. But no matter what method we choose, it is important to find an appropriate way to relieve pressure. Only in this way can we lead well-balanced lives.
(236 words)
专四历年优秀作文范文 篇五
The earth is our beautiful home,but now there are people who constantly hurt are the 's listen!
On Sunday,I and friends to finish the homework,meets at small area on the grass to play,we play is excited,suddenly heard a tiny voice Shouting: _little brother,pity me._
I look westward,not even a single is the voice? When I was puzzled,I heard the small voice again: _I am at your right foot!_ I quickly raised my right foot and was shocked._why,how could it be grass?_
For me to see it with a sigh said: _a few days ago,a group of children on the ground to play a football in the afternoon,I trample all over like a scattered the rack,bouncing around you and to me today,is really plant was friend of mankind,we used to live in harmony,but now a lot of arbitrary trees are cut down,take the grass were children picked at random,trample,alas......the grass says,tears.
I looked at it grass to dry the tears,continue to said sadly: _now,I not only absorb carbon dioxide every day,are sucked into a lot of waste gas,the harmful gas physical harm is too big for us!_
I comfort it and say,_you can rest assured that I will promote the people in the campus to protect nature._ _Thank you so much,_ the grass said excitedly._thank you so much._
I ran home quickly,with a basin of water on the grass,which was almost dry
_You can rest assured that I will not come and trample you any more,and I will not let the other children spoil you,_ she said.
From then on,the grass became a happy life again,with its own green meaning to bring a beautiful scenery to the city
专四历年优秀作文范文 篇六
Since we bought the car,dad often open it take me to go for a ride,usually is ok also to dad took me out to sneak a circle,enjoying the beautiful scenery along the way,the feeling is really while I was enjoying the moment of happiness,I was unknowingly blackening the environment,and our green home became a black home.
The harm of vehicle emissions to the atmosphere I had heard,but no too care about,the school environment protection class,also talked about the content,the car tail gas main component is carbon dioxide,ozone layer destruction is that it did...
Today,I'm going to tell my father,from now on,that I'm going to be an is responsible for protecting our beautiful homeland,and it is our duty to keep clean and soon as I did,I announced to my father that I would go to school by bus,and I wouldn't have to drive a car to school.
In the early morning,when I was carrying the school bus in my backpack,my father's eyes were genuinely satisfied with a smile...I think it's a little 's so easy to do a green thing! Don't need a grandiloquence,what also do not need earth-shattering,need only in daily life,as long as quietly changing our habits in our daily life,can greatly contribute to environmental father is driving less than a 'm taking the bus to it not for the environment?
After a period of experience,I found it's not difficult to contribute to environmental protection,the method also has many: mom buy food need not or less plastic bags,you use environmental protection bag,laundry,wash dishes of water can be used to irrigate fields,to use less disposable supplies,multi-purpose repeatable,renewable resources,the environment and advocating thrift of good habit...
Start small,start from oneself,we primary school also want to make contribution to environmental protection!
