新四大发明作文（1）
新四大发明——关于高铁
【题目要求】
高铁给人们的出行带来了快捷和方便，请你写一篇短文简单介绍武广高铁。
基本情况：
始建于20XX年，20XX年12月26日开通运营，干线全长1068公里;
途经湖北、湖南和广东;
列车时速高达350公里/小时，目前世界上最快。
主要优点：
武汉至广州仅需3个小时，比先前减少7个多小时;
高铁列车设施齐全，安全舒适。
美中不足：
票价偏高;
车站离市中心较远。
【优秀范文】
First built in 20XX, the Wuhan-Guangzhou high-speed railway went into operation on December,26th, Overall length of its main line is 1068 kilometers, and it goes through the following three provinces: Hubei, Hunan and
The speed of the Wuhan-Guangzhou high-speed railway is 350km/h,the fastest speed in the world now, which makes it only three hours needed from Wuhan to Guangzhou, seven hours less than Besides, there are all kinds of facilities in the train, which make your trip safe and comfortable, so it is more
However, the only fly in the ointment is that the train fare is too high and the station is quite far away from the downtown
新四大发明作文（2）
新四大发明——共享单车
【题目要求】
假定你是红星中学初三学生李华。你的美国朋友Jim在给你的邮件中提到他对中国新近出现的一种共享单车“mobike”很感兴趣，并请你做个简要介绍。请你给Jim回信，内容包括：
这种单车的使用方法(如：APP查看车辆、扫码开锁等);
这种单车的优势;
你对这种单车的看法。
注意： 词数不少于80;
开头和结尾已给出，不计入总词数。
提示词：智能手机 smartphone，二维码 the QR code
【优秀范文】
Dear Jim,
I’m writing to tell you more about the new form of sharing bike--mobike mentioned in your latest
It’s very convenient to use if you have a What you do is to find a nearest mobike through the APP, scan the QR code on the bike, and enjoy your
Compared to other forms of sharing bike, the greatest advantage of mobike is that you can easily find one and never worry about where to park It is becoming a new trend as a means of transportation, which relieves the traffic pressure and does good to the environment as
Hope to ride a mobike with you in
Yours,
Li Hua
新四大发明作文（3）
5G技术与人工智能
【题目要求】
人工智能与5G时代已悄然来临，随着科技越来越与人类生活相结合，随处可见的人工智能，让生活越来越便利的同时也带来许多的困惑，按要求完成一篇作文。内容包括：
描述或畅想未来人工智能的发展状况
分析这种现象产生的原因
陈述利弊以及表明个人态度
【优秀范文】
As we all know , the time of 5G technology is coming , it is called the fourth industrial revolution , future of computer science lies in the artificial intelligence，it is the research and artificial simulation of human thought and eventually be able to make a human like to think the same machine , for human services and to help people solve
After all, people thought it was unique, there are feelings, there are a variety of character, this will be very difficult to achieve in the fact, to do the same as the human thinking machine, the only one of the artificial intelligence, is by no means Through the study of artificial intelligence, it can resolve all kinds of scientific problems, promote the development of other science will have a great impact on all people's lives .
I believe that the science of artificial intelligence is waiting for humanity to explore it step by step .