染雾四级作文题 篇一：人工智能在现代社会的应用
随着科技的发展和人工智能技术的日益成熟，人工智能已经逐渐渗透到我们生活的方方面面。它不仅在工业、医疗等领域发挥着重要作用，还在日常生活中给我们带来了便利和改变。下面将从几个方面来探讨人工智能在现代社会的应用。
首先，人工智能在医疗领域的应用已经取得了显著的成果。医疗机器人的出现使得手术更加精准和安全，大大降低了手术风险。同时，人工智能技术也在疾病的预测和诊断上发挥着重要作用。通过大数据分析和机器学习算法，人工智能可以辅助医生进行疾病的早期诊断，提高诊断的准确性和效率。
其次，人工智能在交通运输领域的应用也越来越广泛。自动驾驶技术的发展使得驾驶变得更加安全和便捷。通过激光雷达、摄像头等传感器的感知和人工智能的算法处理，车辆可以自动感知周围环境并作出相应的决策和行动。这不仅提高了交通的安全性，还减少了交通事故的发生。
此外，人工智能在教育领域的应用也非常广泛。虚拟教师和在线教育平台的出现使得教育资源得到了更好的共享和利用。虚拟教师可以根据学生的学习情况和特点进行个性化教学，提高教学效果。同时，人工智能技术也可以帮助教师进行学生学习行为的分析和评估，及时发现问题并作出相应的调整。
总之，人工智能已经成为现代社会的重要组成部分，其应用已经深入到各个领域。虽然人工智能带来了很多的便利和改变，但我们也应该看到它可能带来的问题和挑战。因此，在推动人工智能技术的发展的同时，我们也需要加强对其应用的监管和控制，确保其在服务人类的同时不会对人类社会造成负面影响。
四级作文题 篇二：人工智能对就业市场的影响
随着人工智能技术的不断发展和应用，人们对于人工智能对就业市场的影响越来越关注。一些人担心人工智能的普及将导致大量的工作岗位被取代，而另一些人则认为人工智能只是劳动力的补充，不会对就业市场造成太大的冲击。下面将从几个方面来探讨人工智能对就业市场的影响。
首先，人工智能技术的发展可能会导致一些重复性劳动岗位的消失。一些简单、机械的工作，例如制造业的组装线工人、客户服务的电话接线员等，可能会被自动化和机器人取代。这些工作的消失可能会导致一些人失去工作机会，特别是那些缺乏其他技能的人。这对于一些发展中国家来说可能是一个更严重的问题。
其次，人工智能的发展也会创造一些新的就业机会。随着人工智能技术的应用，一些新的行业和职位也会随之兴起。例如，人工智能技术的开发和维护需要专业的技术人才；人工智能在医疗、金融、教育等领域的应用也需要相关专业人才。因此，人工智能的发展也会创造一些新的就业机会，为人们提供更多的工作选择。
此外，人工智能的应用也会改变一些传统职业的工作方式。例如，在医疗领域，人工智能可以辅助医生进行诊断和治疗决策，提高医疗效率。这意味着医生可以更加专注于疾病的诊断和治疗，而不需要花费太多时间和精力在病历的整理和检索上。这种方式的改变可能会使得医生的工作更加高效和精确。
综上所述，人工智能对就业市场的影响是一个复杂的问题。虽然人工智能的发展可能会导致一些工作岗位的消失，但同时也会创造一些新的就业机会。因此，我们应该积极应对人工智能的发展，提高自身的技能和素质，以适应新的就业需求。同时，政府和社会也应该积极引导和规范人工智能的应用，确保其对就业市场的影响是正面和可持续的。
四级作文题 篇三
作文题：Suppose a foreign friend of yours is going to visit yourhometown/your campus/China(多题多卷的'三个不同)， what is the most interestingplace you would like to take him/her to see and why?
范文
The most interestingplace
Dear Pacival,
I am thrilled to know that youare going to visit my hometown and I can’t wait see you everything that happened when I was in your city,and yourparents and you were so kind to me that I will try my best thistime to make your stay an enjoyable and memerable one。
My home town，Changsha,is thecapital of Hunan province and best known as the star city for itswell developed entertainment industry and arenumerous places and attractions worth recommending,and YueluMountain is the first one that I’d like to introduce to the foot of Yuelu Mountain is the prominent has an exceedingly long history and its architecture ischaracteristic of Song a half hour,we willreach the Bird are various rare birds there,and theycan sing,perform,and interact with about an hour,wewill arrive at the peak,Baiyun scenery there isspectacular and we can have a wonderful panorama of the wholecity。
I bet you must be very excitedabout all these activities,and the Yuelu Mountain is waiting forus to you need to do is pack up and go,and I assureyou that this trip will be a great fun。
Should you have any questionand suggestion,please let me know。
I am looking forward to yourarrival。
Yours sincerely,
Romeo
四级作文题 篇四
One glance at a pyramid can leave the viewer in awe of its beauty and splend or. Upon closer examination, however, one might be surprised to discover that such a grandiose structure is composed entirely of ordinary stones.
Most people are familiar with the proverb: Rome was not built in a day. An object as grand as a pyramid is likewise not so quickly or easily constructed. Just as the greatness of the city of Rome is due to the combination of its smaller parts, a pyramid is only as strong as the stones it is comprised of. The image of a pyramid reminds us that great success is in fact an accumulation of small achievements.
History proves that many famous artists and scientists are only successful because of their continued efforts, even after numerous failures. One might recall Leonardo Dancing‘s drawing of an egg, Wang Xi Zhi practicing handwriting, or Thomas Edison inventing the light bulb, for example. The fable that tells us that even water can eventually pierce through stone also points to the importance of patience and diligence. We should take such stories and histories into account and remember the importance of fundamentals; remember that one can build a pyramid only if one is willing to work with small stones. People would be wise to abandon rash inclinations and instead try in earnest. Perseverance is sure to lead to success.
四级作文题 篇五
Suppose your university student union is planning to hold a speech are now to write a proposal for organizing the contest. The proposal may include the topic, aim, procedure and selection of contestants. You will have 30 minutes to write the proposal.
参考范文：
Dear Sir or Madam:
I'm 名字, a second-year student from Business Department. I'm writing to make a proposal about holding a college-wide English public speaking contest with the topic of "University as I see it".
The aims of the contest are twofold. First, students all over the University are offered an opportunity to demonstrate their ability to communicate effectively in English. Second, the contest could serve as a forum for students from different background to share their insights and experiences. It is important to note that only a current undergraduate student is eligible for the contest. Each of the contestants would be asked to deliver a prepared speech of 5 minutes and an impromptu speech based on the topic assigned after the prepared speech. The contest would be an off-line event at the International Conference Hall on 日期. A panel from the ESL faculty shall select five finalists from all participants. The finalists would present their speeches after which three winners (and two honorable mentions) would be chosen.
I'm looking forward to your reply. Thank you very much for everything you've done. Wish you all the best.
Yours sincerely,
Name
四级作文题 篇六
Suppose your school is organizing an orientation program（新生训练;新生练习）to help the freshmen adapt to the new environment and academic studies. You are now to write a proposal, which may include its aim, duration, participants and activities.
参考范文：
Proposal for an Orientation Program
Dear Sir or Madam,
I’m 名字. I’m writing to make a proposal to conduct an orientation program for freshmen. The major purpose of the orientation program is to enable freshmen to adapt to the campus environment and academic life as soon as possible. The duration of the project is expected to be one week. Participants include all freshmen, teachers and academic staff.
The orientation is pided into three parts: a school lecture, a student activity and a campus tour. In the school lecture, we will introduce the school background, professional training objectives and how to select courses, so as to help students quickly embark on their learning journey. At the student activity, there will be some interesting games to help freshmen get to know each other quickly and make contacts. The last part is a campus tour, where students will visit the school's teaching building, library, restaurant, and so on, so as to help them to quickly adjust to campus life.
I hope the freshmen can quickly adapt to the new environment and academic studies through this orientation. I’m looking forward to your reply. Wish you all the best.
Yours sincerely,
Name
