1 . When you have to cancel your Thanksgiving plans due to the spread of the COVID-19, you may find yourself craving companionship as much as that pumpkin pie. That’s because parts of the brain respond to loneliness much like they react to hunger, according to a study in Nature Neuroscience.
Researchers from the Massachusetts Institute of Technology scanned the brains of 40 healthy, social young adults after 10 hours of either fasting (禁食) or social isolation (隔离). They found that after being alone, participants’ neurological responses to social signals were similar to hungry people reacting to food — that is, certain areas of the brain linked to desire were turned on to start working.
For an isolated person, a picture of people laughing together caused the same areas of the brain to light up as when a hungry person looked at a big plate of pasta.
“Just like hunger is an unpleasant sensation that motivates us to seek out food and thirst motivates us to seek out water, loneliness is a biological need that motivates us to reconnect to others,” Holt-Lunstad told Insider.
Researchers were surprised to find that people who were prevented from socializing became much more focused on that need, and less reactive to hunger. As their loneliness increased, they became less responsive to images of food.
These latest findings suggest that the relationship between food and loneliness might be more complicated than we thought, despite the popular opinion of stress-eating to cope with social isolation. More research is needed to understand the complex ways people deal with loneliness.
Studies like this can help scientists understand how the brain processes loneliness, and possibly reduce the negative consequences. However, although loneliness may be similar to hunger, fixing it isn’t as easy as serving someone a hearty dinner because people are unique and they need varying levels of social interactions to meet their needs.
1. The underlined word “craving” in the first paragraph can be replaced by .A.avoiding | B.desiring | C.preferring | D.ignoring |
A.to find their brain responses to both loneliness and hunger |
B.to provide explanations for their feeling lonely and hungry |
C.to find how loneliness can have a negative impact on health |
D.after they have been hungry and socially isolated for 10 hours |
A.Hunger is an unpleasant sensation. |
B.Hunger and thirst motivate us to feed ourselves. |
C.Socializing is supposed to be basic human need as it is. |
D.The effects of loneliness on health are comparable to other factors. |
A.Loneliness may be fixed just as hunger is satisfied. |
B.Situations of loneliness are complicated and hard to cope with. |
C.Scientists have understood how the brain processes loneliness. |
D.Loneliness is such a common and serious problem that we all have to suffer. |
2 . Blind people have long desired for brightness, but scientists don’t have the technology. To bring that one step closer to reality, Zhiyong Fan, a materials scientist of the Hong Kong University of Science and Technology, developed a new artificial eye recently. The device, which is about as sensitive to light and has sharper vision and a faster reaction time than a real eyeball, may outperform human eyes.
The human eye owes its wide field of view and clear eyesight to the retina (视网膜) — an area at the back of the eyeball covered in light-detecting cells. The design for a new artificial eye is based on the structure of the human eye and uses a friendly light-sensitive material. At the back of the eyeball, an artificial retina is lined with Nan scale light sensors (纳米级光感器). Those sensors measure light that passes through the lens (晶状体) at the front of the eye. Wires attached to the back of the retina send signals from those sensors to the processor, similar to the way nerve networks connect the eyeball to the brain.
“In the future, we can use this to replace damaged human eyes,” says the lead designer. In theory, this artificial eye could see more clearly than the human eye, because the artificial retina contains about 460 million light sensors per square centimeter while a real retina has about 10 million light-detecting cells per square centimeter. Besides, the artificial eyeball records changes in lighting faster than human eyes can — within about 30 to 40 milliseconds, rather than 40 to 150 milliseconds. Although its 100-degree field of view isn’t as broad as the150 degrees a human eye can take in, the device can see as well as the human eye in poor light.
Hongrui Jiang, an electrical engineer at the University of Wisconsin, though, thinks engineers need a much more practical and efficient way to produce vast series of tiny wires on the back of the artificial eyeball to give it superhuman sight, which is super hard to achieve.
1. Why does Zhiyong Fan develop the artificial eye?A.To replace people’s real eyeballs. | B.To gain a sharper vision. |
C.To help the blind regain their eyesight. | D.To help normal eyes perform better. |
A.The design of the artificial eye. | B.The structure of the human eye. |
C.The advantages of the artificial eye. | D.The material used for the artificial eye. |
A.They have the same structure. |
B.The artificial eye may see more clearly. |
C.The human eye sees better in weak light. |
D.The artificial eye takes in a broader view. |
A.Doubtful. | B.Favorable. | C.Unconcerned. | D.Satisfied. |
3 . Four best scenic paths near London
Goring Gap and the Thames PathLength: 5 miles
Start: Goring & Streatley station
End: Pangbourne
This path is far from boring for a rural walk. The footpath follows the curve of the river as it flows south, winding past wildflower grassland, and the Hartslock Nature Reserve, which is home to red kites and rare orchids.
Post-walk pub: The Swan serves these days. Order a table or keep warm by one of its open fires.
Box HillLength: 6.8 miles
Start and end: Westhumble station
Admire the glorious views and escape the crowds. But first you’ve got to climb 272 steps to the top of Box Hill. The endorphins are definitely pumping—maybe that’s how it got the nickname “Happy Valley”.
Post-walk pub: The spacious Tree on Box Hill has an enticing menu and huge beer garden.
The Kentish CoastLength: 9.8 miles
Start: Ramsgate
End: Margate
Following the path, you’ll pass plenty of former smugglers’ (走私者) caves and there are beachside cafes dotted along the route at regular intervals.
Post-walk pub: Order a pint of beer at Xylo, a pub with wonderful views over Margate Sands.
Chess Valley in the ChilternsLength: 9.9 miles
Start: Chorleywood station
End: Chesham station
It isn’t home to any chess masters, but it did used to produce n lot of watercress, fed by its sparkling chalk stream. This walk follows the river, whose bank is covered with the rolling grass and woods.
Post-walk pub: The George & Dragon is an old coaching inn with a log fire and real beer.
1. Which path is a circular route?A.Goring Gap and the Thames Path. | B.Box Hill. |
C.The Kentish Coast. | D.Chess Valley in the Chilterns. |
A.They serve beer all the time. | B.They include different animals. |
C.They provide river scenery. | D.They are of the same length. |
A.Drink coffee at the seaside. | B.Relax yourself in The Swan. |
C.Learn from famous chess masters. | D.Meet smugglers along the way. |
4 . Sumiel, a 71-year-old, was no stranger to the struggles of kidney (肾) disease. He was on the transplant list (移植名单), but no matches had yet
One day, he took a taxi home after his
Letts was
Fourteen months after they ended up in the same taxi by
A.happened | B.appeared | C.proved | D.showed |
A.argument | B.agreement | C.promise | D.appointment |
A.drive | B.walk | C.chance | D.march |
A.bargaining | B.complaining | C.chatting | D.reasoning |
A.struggling | B.volunteering | C.competing | D.wandering |
A.usually | B.basically | C.extremely | D.normally |
A.searching for | B.picking out | C.preparing for | D.getting through |
A.partner | B.game | C.pair | D.match |
A.predict | B.think | C.learn | D.work |
A.fair | B.strange | C.true | D.certain |
A.contacted | B.connected | C.abandoned | D.launched |
A.decision | B.operation | C.practice | D.process |
A.solutions | B.results | C.purposes | D.evidences |
A.arrangement | B.design | C.chance | D.invitation |
A.success | B.task | C.responsibility | D.glory |
5 . Imagine a school where students are taught by the best teachers in every subject, regardless of location. Imagine a school where students could go on safe field trips to the Amazon rainforest or Everest base camp. Well, such schools are already being built: in virtual(虚拟的)reality.
Last year, Optima Academy Online, an all-virtual school, delivered courses that aim to improve the hearts and train the minds of young people. These courses are of different levels, attracting 170 full-time students from all over Florida. In the progress of home-schooling, students use headsets for about three hours a day for formal lessons and then do course work independently with digital check-ins.
Future versions(版本)of VR will doubtless be widely used in education, but the only questions are: for what purpose and at what speed? There are enough reasons to doubt whether VR schools represent the future of education. Sticking a child in their bedroom with a heavy VR headset fastened to their face and no physical social interaction with other kids will fill many of them and their parents with horror.
A recent report concluded that digital education could significantly improve the quality and equality of schooling systems. But if managed poorly, it could have the opposite effect, turning a digital divide into an educational one. There is growing evidence to suggest that is happening. In Mexico, only 24 percent of 15-year-old students in poor schools have access(使用)to a home computer for schoolwork compared with 87 percent in rich ones.
Used properly, technology can be great for enabling self-motivated students to access learning resources and connect with fellow students and teachers all over the world, says Beeban Kidron, a member of the UK’s Digital Futures Commission. The trouble is that Edtech is too often seen as a shiny new toy that will solve all problems and save money rather than being viewed as a different way to learn, she adds.
1. What can we learn about Optima Academy Online?A.It has been widely accepted. |
B.It holds faraway outdoor field trips. |
C.It provides various online courses. |
D.It requires parents to help with check-ins. |
A.The development. | B.The concerns. |
C.The advantages. | D.The popularity. |
A.Mexican schooling quality has been improved |
B.local schooling systems are not fully developed |
C.technology access gaps may cause education inequality |
D.family backgrounds shape people’s views on education |
A.It enriches learning. | B.It’s irreplaceable. |
C.It needs improving. | D.It’s undervalued. |
When our youngest sister was born, my little brother Tom was six and I was eight. I had always been the “Big Sister” and he had always been “The Baby”.
Our sister’s arrival was a complete surprise to both of us. In those days no one worried much about sibling rivalry (兄弟姐妹间的较劲), and no “experts” told us how to deal with another child in the house. We had wise and loving grandpa and mom, however.
I was excited about the baby and loved to hold her and help care for her. Tom’s feelings were quite different! He just looked at her and left, preferring to spend the evening in his room. When I went to his room to talk to him and try to get him to play games with me, he just looked away. “Why did they have to get that baby?” Tom asked.
Later that night, Grandpa came over to see the new baby. As he held her, he said to Tom, “You know, she’s a lot like the baby lamb I’m raising on the bottle. I have to take care of her and feed her often, just the way your mom does with the baby.” Tom said, “I’d rather have the lamb.”
Grandpa heard and said, “Well, if you’d rather have a lamb, maybe we could trade your little sister for it. I’ll give you a day to think it over, and if you still want to trade tomorrow, we’ll do it.” I thought I saw him wink at Mom, but I knew I must have been mistaken because Grandpa never winked at anyone.
After Grandpa left, Mom read to Tom for a long while. Tom kept looking at the baby, and Mom asked him to hold our little sister while she went to the bathroom. When Mom came back. Tom was gently touching the baby’s smooth black hair, and as he held her hand, she took hold of his finger.
注意:
1. 续写词数应为150左右;
2. 请按如下格式在答题卡的相应位置作答。
“Mom, look! She’s holding my hand!” Tom smiled.
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“She’s a day older now. I think she’s worth five lambs now,” Tom said.
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I always hope for some student who possesses that unusual capability to convey feeling, insight, and passion through art. It doesn’t happen often, but it did one summer holiday - and from a wonderfully unexpected source.
That summer, I volunteered to teach a summer school art class for high school freshmen. When I arrived on the first day, the students were grouping in the center of the classroom, except for a red-haired girl named Emma who took a desk in the back row. I looked over what would be my workspace for the following days. There were large windows with plenty of light and I spotted several kinds of trees outside that would serve as models.
Emma was always the earliest to get to our classes,and I could feel her effort. However, she kept her seat in the back row as though being ignored was something to hope for. I asked one popular girl, who said, “She is an orphan. We try to be friendly, but she acts like she’s in another world.” I said, “All right. Let’s try to make this summer the good part of Emma’s life, OK?” There was no answer in words but she nodded, telling me she understood and empathized - good kid, at heart.
During the following days, I could feel other students’ kindness to Emma. Sometimes, Emma even talked and drew with them, but she still kept a certain distance from me. When I asked to see her work, she leaned forward covering it with her forearms. Treating her in any special way only seemed to emphasize her painful dissimilarity, so I limited my communication with her to a good morning smile.
The summer went by quickly and everyone got much better at drawing. So did Emma’s behavior. We had a lot of fun in the process, but the last day came at the right time. The kids filed in and watched me write the assignment on the whiteboard: Draw a picture titled: “A Place I Love”.
注意:
1.续写词数应为150左右;
2.请按如下格式在答题卡的相应位置作答。
I walked around, watching the drawings develop.
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It was Emma’s turn to show her drawing.
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1.大赛目的;
2.作品要求;
3.参赛方式等。
注意:
1.词数应为80左右;
2.请在答题卡的相应位置作答。
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Wushu, the Chinese martial art form known as kungfu in the West, is a
Wushu, often
Wushu reflects the character of Chinese people and they apply their unique understanding of theory and principle to combat. It differs from European and American boxing. Wushu is a particular balance between external and inbuilt values,
Wushu, which aims to improve health and self-defense,
Having survived the difficult situations of life while
10 . A therapy (治疗) client and I are working on an eating disorder and find it originated from a relationship break-up or perhaps being bullied in middle school. Such hurtful experiences led to not eating for a couple of weeks. Then comes a high praise from a friend that totally backfires. Maybe it’s an enthusiastic, “Wow, you look great!’’ In a flash, this praise excites an inner and often unconscious thought: “Oh, people care more about me if I lose weight. So many things feel out of control but I can control people’s affection by not eating.”
Often, very well-intentioned individuals offer praise out of a desire to uplift and connect. Such praise is often tied, directly or indirectly, to a person’s relationship with the standards of a specific group or institution. Sadly, such praise can easily reduce an individual’s dignity to their level in line with the group’s expectations rather than supporting their inherent (固有的) dignity and worth. So, what’s a better way?
One answer is to exit the game of “right and wrong” and enter a more life-giving focus on what needs are present. Returning to our example above, when you see that someone has lost weight and you want to give them a praise, just pause and take a deep breath. Simply ask, “How are you doing?” See them and hear them. Appreciate them as a person of limitless value. Know there may be much more to their inner world than meets the eye. Similarly, when you see someone’s success in school, appreciate the hard work they put into it. Ask with gentle curiosity, “How’s it been for you?” Listen with your full attention that in itself can be a rare gift in today’s hustle and bustle world.
By maintaining your concern and listening to the ways they want to be accompanied and supported — even when it might not be your first instinct — you can see them as a whole person, with complex feelings, very human needs, and inherent dignity.
1. What does the underlined word “backfires” in paragraph 1 refer to?A.Improves the situation. | B.Shows sincere concern. |
C.Removes hurtful feelings. | D.Produces an unexpected result. |
A.Analyzing the phenomenon. | B.Listing another example. |
C.Presenting the solution. | D.Making a proposal. |
A.To start a light conversation. |
B.To focus on one’s inner needs. |
C.To explore the secret of keeping slim. |
D.To show appreciation for one’s efforts. |
A.Say No to the “Right or Wrong” Game |
B.Why We Need to Make Praises to Others. |
C.Follow Me and Be a Qualified Therapist |
D.How Innocent Words can Be Harmful |