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本文目录一览：
- 1、2022-2023学年英语周报八年级第12期答案及试题
- 2、2022-2023学年英语周报八年级第28期答案及试题
- 3、2022-2023学年英语周报八年级第22期答案及试题
- 4、2022-2023学年英语周报八年级第13期答案及试题
- 5、2022-2023学年英语周报八年级第17期答案及试题
- 6、2022-2023学年英语周报八年级第16期答案及试题
2022-2023学年英语周报八年级第12期答案及试题
Watch out! QRIO, Sony's robot, is a few steps
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Watch out! QRIO, Sony's robot, is a few steps ahead of you. It is the world's first “running” robot.
Until recently robots could not run because they needed one foot on the floor at all times to remain stable（稳定的）.That all changed when Sony's technology allowed QRIO to run. The robot can travel 46 feet per minute, which is about 0. 5 mph. H QRIO were average human size, it would run a mile in 40 minutes. (Many humans can run a mile in about 10 minutes.)
QRIO is credited in Guinness World Records as being the first robot that is able to run.
And if QRIO falls, it will get right back up. QRIO is programmed to check its position after a fall. It then turns itself face up and stands up again.
It can talk with you and remember all of the facts, so it can have more conversations with you. QRIO even expresses feelings through movements, conversation, and the use of its lights. QRIO is a quite a friendly robot. If you meet the robot, it will ask you what kinds of things you like and don't like. The robot already knows tens of thousands of words. _
2022-2023学年英语周报八年级第28期答案及试题
Many scientists believe our love of sugar may
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Many scientists believe our love of sugar may actually be an addiction. When we eat or drink sugary foods， the sugar enters our blood and affects parts of our brain that make us feel good. In this way， it is in fact an addictive drug， one that doctors recommend we all cut down on.
“It seems like every time I study an illness and trace a path to the first cause， I find my way back to sugar，” says scientist Richard Johnson. One third of adults worldwide have high blood pressure， and up to 347 million have diabetes. Why？ says Johnson.
Our bodies are designed to survive on very little sugar. Early humans often had very little food， so our bodies learned to be very efficient in storing sugar as fat. In this way， we had energy stored for when there was no food. But today， most people have more than enough.
So what is the solution？ Its obvious that we need to eat less sugar. From breakfast cereals to after dinner desserts， our food is increasingly filled with it. Some manufacturers even use sugar to replace taste in foods that are advertised as low in fat.
2022-2023学年英语周报八年级第22期答案及试题
Young trees don’t just grow; they develop a personality
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Young trees don’t just grow; they develop a personality and learn more about their environment and how they should best behave in it. They also help each other out whenever there’s trouble.
Personality, just as among people, varies among trees. Some are anxious, some bold. On the author’s land, there are three oak trees growing close together. One of the oak trees always starts to shed its leaves two weeks earlier than the others. Since they all experience the same temperature, the same soil and the same length of day, such variables can’t be the explanation. So what’s happening? Well, this tree is simply more careful than the others. Whoever holds on to their leaves longer can do more photosynthesis(光合作用) and store more nutrients. However, the longer a tree keeps its leaves, the higher the risk of injury.
Not only do trees make their own decisions, they also learn from their mistakes. A tree, for example, keeping its leaves too long during one year will never make this mistake again. This leads to several other conclusions:trees must notice the temperature and the length of the day and be able to save their experiences somewhere. Obviously, trees don’t have brains, but it is thought that in the sensitive tips of their roots they keep track of information and experiences.
2022-2023学年英语周报八年级第13期答案及试题
It is also perfectly natural in this time for you
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It is also perfectly natural in this time for you to spend more time with your friends than your family. Choose your friends wisely. A true friend will stand by you no matter what happens. This period is part of the life cycle. There are some people who will be with you throughout life's journey and there will be some people with whom you par（分离）and go separate ways. Leaving school can be hard. The reality is that you may not ever see all of your classmates again.
You are a young adult. It is your life. No one can live it for you. The choices that you make from now on will be your choices. So making the right choices will be important to you. Life is for living. Enjoy your life wisely！
Your first year of high school is here, but you don't know what you'll do! So you'll feel nervous about it. Here are some ideas that can help you.
Make a lot of friends. Friends are people you can depend on and trust. They'll help you in your hour of need. So, from the faces you see every day, find those who can be your true friends, and you must defend (保卫)your friendships.Knowing new people is one of the most pleasant things to do in high school.
2022-2023学年英语周报八年级第17期答案及试题
Macinley Butson was just 16 years old when she
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Macinley Butson was just 16 years old when she first had the idea to try and protect women from more — than — necessary radiation during breast cancer treatments—and now, her invention could be a game-changer in the medical field.
Butson, whose father works in medical physics, has always been interested in science. But she only began researching the harmful side effects of radiation treatment after her father discussed his experience with ineffective cancer treatments in his work. Since Butson had also recently lost a relative to breast cancer, she felt inspired to conduct her own research on the subject. She tried to begin her medical research by consulting scientific journals, but she found their academic terms almost impossible to understand.
She then turned to the Internet to find videos that taught how to read scientific journals. As she went deeper in her research, she stumbled upon a key bit of information: copper （铜）has been shown to be effective at protecting skin from radiation. An idea hit this Australian teen as she was viewing a film on medieval wars in her 10th grade history class. When she saw the scaled （鳞片） patterns of the mail （盔甲）,she was inspired to create a wearable protective tool out of copper. She then headed back online and watched videos on how to put together tiny scales. She made her own flexible scale-mail which she now calls SMART: Scale Mail for Radiation Therapy.
2022-2023学年英语周报八年级第16期答案及试题
In the greatest fear was that the human race
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In the 1960s and 1970s, the greatest fear was that the human race, and possibly all advanced life forms on the planet, could be wiped out by nuclear missiles. Today, however, environmental problems have taken over as the greatest risk to life on .Earth. Scientists are thinking of ways to lower this risk, such as replacing coal and oil with forms of renewable energy. But they are also preparing for the worst: what can we do if the terrifying scenes in films such as The Day After Tomorrow happen in real life? What is our plan B for Earth?
One option is to explore other planets to see if we could live on them. The most likely choice is Mars, which is relatively close to Earth and has an environment less hostile than that of other planets. Mars has fascinated people since ancient times, and today our interest in Martian exploration is greater than ever before. Besides, more governments are making efforts to educate the public on the Red Planet.
There is no doubt that humankind is drawn towards Mars. However, sending people there will require all the skill, courage and intelligence. While the Moon can be reached within days, it would take months to reach Mars, travelling through dangerous solar radiation. And even if the first settlers do reach Mars safely, they may not be able to return to Earth — ever. Staying alive will be a daily challenge, but as proved by the Biosphere 2 experiment, not impossible. As early as the 1980s, scientists were building Biosphere 2 in the Arizona desert, consisting of a closed space in which people, animals and plants could live together. Although the two-year experiment was not a success, it did provide us with a better understanding of how humans might be able to live on another planet.
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