根据后文In addition,cars facilitated commerce as goods could be transported over long distances quickly and easily. (此外,汽车促进了商业发展,因为货物可以快速便捷地长距离运输。)可知此处介绍汽车的好处,所以B项"汽车为人们提供了新的自由,因为他们现在可以比以前走得更远。"符合语境。故选B。(4)细节推理...
Unlike refrigerators,elevators are generally not found in people's homes,but they have helped change the environment that millions of people live in. Scientists and engineers from ancient civilisations used ropes to lift heavy objects,but it wasn't until 1857 that a man called Elisha Otis designed...
The technology will have a huge effect on most industries as it will change orders of magnitude in terms of the speed and quantity of data transmitted, as well as the quality of the connection. It will, among other things, connect autonomous vehicles and drones to the internet, but will al...
she was attempting to prove that the paper nautilus didn’t take the discarded shells of other organisms; she wanted to prove that it could grow a shell on its own. To properly observe the paper
In the 1870s, Edison invented a device that could record telegraph messages by making indentations on a scroll of tape that corresponded with the telegraph’s electrical impulses. Edison’s next goal was more ambitious. He wanted to capitalize on the popularity of Bell’s telephone by recording...
Markings on the inside of thewithout it.bowl showed how much time had passed.Unlike refrigerators, elevators are generallyMechanical clocks are a relatively new inven-not found in people's homes, but they havetion. European inventors developed the firsthelped change the environment that millions...
It's reported that about 1.2 billion people in the world don't have a proper house to live in. But 3D-printed houses may help to solve this problem. The American company ICON can print a 60-square-meter house in only 12 to 24 hours. According to the plan, 100 houses will be built...
Let’s consider then some technologies that could have changed the world but didn’t. It’s like considering an alternate universe; one where the Dreamcast beat out the Playstation and IBM didn’t lose out to Microsoft. 1. Microwave Ovens ...
A pen is like the beginning of something amazing to me. Every day, I write a new page with my pen, and I am slowly making a path (路) for my future. Maybe I will be a scientist and change the world with my discoveries. May...
. And it could change how we interact with machines. Glasses That Help ESIGHT Millions of people are legally blind. For them, getting around can be hard. Canes and guide dogs can help. But they don’t let people see.ESight 3does. Think of it as the world’s most powerful glasses. ...