object, they, park, final, make, test, drive, safety, like, impossible |
Have you ever seen a car without a driver? It sounds crazy, but these computer-driven driverless cars will soon be filling roads near you. Companies like Google and Tesla have been designing and
So how do they work? The cars have sensors (传感器) all around which can find other cars and
Sound
However, there are many downsides of driverless cars. Computers would have difficulty
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Some people may ask, "Isn't it enough to just educate the offenders? Do we really need to fine them?" Well, in my opinion, in order to change a person's behavior, fines are
Sometimes, we must use
place, share, important, end, because, influence, successful, across, trade, like |
A road is a bridge between two places. The Silk Road has been a bridge East and West for more than 2,000 years. The Silk Road has been (66)
But did you know: the Silk Road is not a single route(路线)! It is a series of (67)
The Silk Road got its name (70)
The Silk Road was very (72)
Today, (75)
important, somewhere, protects, shared, and, began, blue-eyed , by, mix, along |
![](https://img.xkw.com/dksih/QBM/2022/1/18/2897018737713152/2900197717622784/STEM/5a5d3d83a4cc4dfeafcef2f41ec9a4f4.png?resizew=251)
The Silk Road is the name of different roads that long ago connected Europe, Africa and Asia People reached these different places along these roads. Scientists believe people
Traders travelling
There is a famous old story along the old road. It is said that Roman soldiers travelled through central Asia. They started to live
During its busiest period, the Silk Road allowed people from many different cultures and countries to meet each other and
In modern times, the old Silk Road routes (路线) are still used, but now they are crossed
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It seems like everyone plays video games today. Kids play, mums and dads play, and even grandparents play. In fact,
Video games haven't been around for a long time, though. The first computer game was invented in 1958. It was
In 1972, a programmer named Ralph Baer began to think about how to play video games on a television. He invented a home gaming console (操作台;控制台)that allowed people to play video games on TVs. After that, many people began
A. recognize B. confuse C. train D. technology E. hundreds of |
As
Although video games are often used for fun, they can be used in other ways, too. You may have played games that helped you
Video games have changed a lot in the past 60 years, from playing tennis to helping people get well.
successful old help bring invention friend they build although tourist |
Nowadays China is much stronger. Why do more and more foreigners begin to learn Chinese? Why do more and more
China is one of the four
China is a great country. We should do what we can to make it richer and more powerful.
because do easy time develop hour always anyone patient who |
Any time we need a taxi, we can pull out our phone, tap buttons and a car will show up. It’s amazing, right? But what happens to the elderly people
Over the past ten or so years, technology has
China has now come up with several ways to solve the problem, but bridging this “digital gap” needs everyone’s action. Probably
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