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With the development of science and technology, our life is becoming more and more convenient. It seems that （1） has been reinvented and greatly improved. But there is one thing unlike them. It’s a blind walking stick. It was invented over 100 years ago and has been used （2） many blind people for a long time. However, it had remained unchanged until an engineer named Kursat decided （3） a change. Kursat is blind. He deeply understands the difficulties and challenges that the blind face. He put some technical knowledge into his invention and invented a （4） stick. He hoped his invention would help the blind.
The smart stick uses built-in speakers and different sensors（传感器）to warn about possible dangers. It helps blind people know about the environment around （5） by using modern technology. It makes their travel much （6） than before. The stick is priced at around ＄500. It is less than half the price of most smart phones. Most people can （7） it.
In the future, this invention is going to make a big difference to more blind people. “It will not （8） change my life, but also the life of other people.” Kursat said, “These days, we are talking about flying cars, but the blind have been using just simple sticks. As a blind person, （9） I am at the subway station, I don’t know which is my exit. I don’t know which bus is coming or which stores are around me. But now, the smart stick can provide a lot of （10） for the blind,” he said, “I believe the life of the blind will be much more convenient and safer.”
There ＿＿＿＿＿（be） a lot of rain outside last night.
I bought two ＿＿＿＿＿（notebook） yesterday.
完成图表。根据短文内容，完成图表中所缺信息。
Environmental protection is one of the hottest topics nowadays. It was also something that ancient Chinese paid great attention to. In fact, the world’s earliest environmental protection idea, ministry（部门）and law were all born in China. How did the ancient Chinese protect the environment?
The world’s earliest idea of “managing state affairs（政事）through environmental protection”
Xunzi, a famous thinker in the Warring States Period, came up with the idea of “managing state affairs through environmental protection”. He wrote in his book that vegetation（植被）should be protected well by humans.
Guan Zhong, a government officer 400 years ahead of Xunzi, was also an environmental protection expert. He said “a king who cannot protect his vegetation is not doing a good job”.
The world’s earliest “environmental protection ministry”
Nine ministries set up by Shun, an ancient Chinese emperor, included “Yu”（虞）, an environmental protection ministry. The first “Yu” leader was Boyi, an environmental protection expert. He invented wells so people could drink clean water. He knew a lot about animals and also called for animal protection.
The world’s earliest “environmental protection law”
Over 4,000 years ago, Dayu, an ancient Chinese water-control expert and also an emperor, made a rule, not allowing people to cut down trees in March or catch fish in June, because it was the time when they grew quickly.
Almost 3,000 years ago, Tianlü, the first environmental protection law, appeared in Qin. It recorded many ancient environmental protection rules. Two of them were interesting: firstly, rivers should not be blocked （堵塞）; secondly, grass and trees should not be burned to be fertilizer（肥料） except for summer. The second one is inspiring even for today. It can help to keep air clean and fresh.
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(2). ___________
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The Netherlands needs thousands of new houses because the country ___(1)__ (have) a growing population. Anyway, it may not have to build all those houses. Some of ___(2)____ (they) can be printed.
____(3)___(recent), the government has been working together with a university and some building companies(公司) to build houses that are fully 3D-printed. As volunteers, an old couple has become the first people in Europe to move into such ___(4)__ house.
With two ___(5)___ (bedroom) and a big living room, the house was built layer(层) by layer, using a huge 3D printer and special cement(水泥). After being printed out, the house ____(6)____ (carry) by a truck to the building site, and a roof (屋顶) and windows were later added. It took around 120 hours ___(7) __ (finish) this 3D-printed house. Usually, it takes about one or two years to build a house in the ___(8)___ (tradition) way.
The couple will live ____(9)____ this house for six months, with a monthly pay of 800 euros(欧元). The cost seems a little bit high, but they think it is much cheaper ____(10)___ living in the hotel.
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Have you ever seen pop-ups (弹出窗口) when you go online?
These days it’s common for you to get a pop-up which lets you ___(1)__ ( put ) the App in “teen mode (模式) ” every time you begin to use Apps like QQ or Tiktok. A lot of Apps, especially video Apps, have added this feature (功能) to protect teenagers. It’s said that it will bring teenagers __(2)__ ( good ) experiences than before and make sure they’re using the Apps in a healthier way. For example, Apps like Tiktok have the feature to prevent teenagers from watching videos for long and with the feature, they might only be allowed __(3)__ (watch) for 40 minutes. The videos that teenagers can watch are made sure to be safe and even educational. There are no advertisements and teenagers cannot pay any m__(4)__ for the videos. In QQ’s teen mode, teenagers can only talk to people on their contact lists. __(5)__ ( they ) chat records show pinyin, which is useful for primary school students.
However, the teen mode does not work for all Apps, a__(6)__ to a recent report by the National Consumer Council. There aren’t any __(7)__ ( different ) between the teen mode and the normal mode in some Apps. And in some video Apps, the teen mode won’t start __(8)__ users watch videos for 40 minutes. But users can get past it b___(9)___ clicking (点击) “I know” and continue watching.
Though you can learn a lot from short videos, it’s n__(10)__ to control the time.