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Sometimes, the life will enlighten you in an unexpected way. I experienced a day when I was extraordinarily 1 . I'm never a picture of grace, but on this particular day, I seemed to be 2 everything. It's an old church, and the floor is 3 in some places, so my fall was the floor's fault. But when I fell again on my way out to the car, and yet again in my own home, I began to grow 4 . Had I let myself get so stressed out that I had 5 become sick?

Having been raised by devoted Christian parents who also worked in the mental-health field, I tended to look for spiritual and emotional reasons before I headed to the local 6 . I have the calming practice that 7  a yoga pose with a breath prayer. I went to 8  more comfortable clothes for the exercise, and as I removed my shoes, I was 9 !

I wasn't having a stroke at all. I had completely worn out my favorite pair of sandals. The soles (鞋底) of both shoes were split in two! I had 10 all the possibilities to figure out what was causing my clumsiness. It never occurred to me to check my soles.

So often when we start to feel 11 , we look for ways to make things better. But just as it never occurred to me to check the soles of my shoes, our own souls are the very 12 thing we think of to check. Take a moment to remember the last time you sat still, meditating. If you can't remember when that was, it might be a(n) 13 .

The local cobbler (鞋匠) said my soles were irreparable. We had a good 14 , but it was time to let them go. Fortunately for us, our souls can be mended and restored — once we realize they are in need of 15 . 

Body Language Mistakes You Should Avoid at Work

Communication is not only about words but also gestures. Therefore, you should be careful about how you use your body when expressing yourself. 

Avoiding eye contact (接触).

When speaking with a workmate, avoiding eye contact makes you look unprofessional (不专业的). It also shows that you are not confident or show no interest in the topic. 

Crossing your arms.

Crossing your arms shows that you are not open to others and that you want to defend yourself. This is generally considered as a position of defense. 

Checking the time every few minutes makes people feel you are in a hurry or would rather be somewhere else. It looks like you are not interested in being there. Therefore, when you are speaking to your workmates, try not to look at the clock very often. 

Bad body postures.

Having a bad posture such as dropped shoulders or a lower neck can mean that you are not interested in what is going on around you. It is important to stand or sit up straight when speaking to somebody. 

Weak handshake.

A weak handshake means that you don't care much about the person you are shaking hands with. However, don't forget that a handshake that is too firm can be impolite. Therefore, try to find the right balance.

A. Checking the time. 

B. Also, keep your head high. 

C. Nod your head to show that you are listening. 

D. This shows that you have' confidence in yourself.

E. Try to greet the people with a firm handshake. 

F. In order to give others a warm feeling, just keep your arms open. 

G. Therefore, you should always keep eye contact especially when you are making a point. 

"Practice makes perfect" is a very popular expression. However, can we take this saying literally?

One popular theory (理论) is that if a person practises for at least 10, 000 hours, they will reach "perfection"—or, in other words, become an expert in their field. This theory was made famous by Malcolm Gladwell in his 2008 best-selling book, Outliers: The Story of Success. He gave the examples of the music group The Beatles and Microsoft co-creator Bill Gates, who clearly put in over 10, 000 hours of practice before they became successful.

However, Gladwell's book has been said by many to be too simplistic and generalising. Although Gladwell's work was largely based on research done by Anders Ericsson, Ericsson argued that 10, 000 hours was just an average figure. Some people, for example, needed far fewer than 10, 000 hours, and others many more. More importantly, Ericsson said that just practising a lot was not enough; the type and quality of practice were also significant. He went on to explain the importance of "deliberate practice", which is when a person practises a specific part of a skill in depth rather than practising a skill as a whole. Deliberate practice is said to be much more effective, though more tiring.

Many other studies argue that practice alone is far from enough. In fact, a more recent study from Princeton University stated that practice only accounted for up to 26% of reaching an expert level. Many other factors contribute to people becoming experts. Natural talent is an important factor, which is especially evident in sports. For instance, many baseball players in America have amazing vision that allows them to see the ball much sooner than others do. Besides, IQ, personality, attitude, and starting age are decisive factors, too. It is also important to note that becoming an expert doesn't equal instant success. Success also relies on social factors, environmental factors, and even just being in the right place at the right time!

In conclusion, practice may not make perfect, but deliberate practice has been shown to lead to significant improvement. 

On Christmas Eve, a team of reindeer (驯鹿) will help Santa Claus deliver gifts to children all around the world. The reindeers, led by their fearless leader Rudolph, won't be the only ones doing something special. Back in the highest Arctic, their cousins have a remarkable ability changing their eye color.

During the summer months, when the days are long and the sun is bright, reindeer's tapetum lucidum (荧光膜), a mirror-like layer at the back of their eye, appears golden, which helps bounce the majority of light off the eyes, effectively acting like a pair of natural sunglasses. As winter comes, and the days become shorter and darker, the tapetum lucidum turns blue to absorb more light, allowing reindeer to improve their night vision and see clear in low light conditions.

With these adaptations, reindeer can adapt and thrive in one of the harshest environments on Earth. Unlike humans, reindeer can see well into the shorter Ultra Violet (UV) range. This UV vision enables them to spot food and predators more effectively in the snowy landscape. Lichens, a key part of their winter diet , absorb UV, so they show up dark against UV-reflecting white snow. Wolf and polar bear fur also absorb UV, so instead of disappearing against snow they pop out in high contrast, allowing reindeer to spot potential threats from a distance. 

Reindeer change their eyes by adjusting their tapetum lucidum, which is made of collagen fibers. In winter, the collagen fibers become packed tighter, causing the tapetum lucidum to mainly reflect blue light. This change happens when reindeer dilate their pupils (瞳孔). In summer, the reindeer's pupils return to a smaller size, which helps reindeer reduce the amount of light entering the eye.

But their unique adaptation may hurt them. Today, the increasing use of artificial lighting, especially during the winter months, poses a potential threat to their sensitive eyes. It can make reindeer lose their way, affecting their ability to survive in their challenging environment. So it is crucial for us to be mindful of our use of electricity and make efforts to minimize light pollution to ensure the well-being and survival of these magnificent creatures. 

Welcome to the Virtual Broadcom MASTERS!

You're invited to attend a virtual public exhibition of the Broadcom MASTERS finalists' original research projects. These 30 finalists were selected from a pool of 3, 476 entrants (参赛者) nationwide. Between October 16 and 21, they'll gather online to compete for an award of more than $100, 000 and to be recognized as the nation's most promising young scientists and engineers. You'll be provided with an opportunity to connect with these young scientific leaders who are bringing fresh perspectives to solving global challenges from wildfires and eye disease to data security.

Major Activities for the Finalists

◆Participate in a private judging process with a group of top scientists from 10: 30 am to 11 am on October 20. 

◆Engage in team challenges where the finalists will be judged on their mastery of critical thinking, communication, creativity and cooperation in each area from 11 am to 11: 30 am on October 20. 

◆Respond to questions at their booths (展示台) from 2 pm to 4 pm on October 20. 

Time for Virtual Exhibition

It will open at 10 am on October 20 and will be available to the public through November 4. 

More about Virtual Exhibition

◆The Broadcom MASTERS is taking place virtually for the first time to keep finalists and their family safe during the ongoing COVID-19 pandemic. 

◆The Society will be providing educational materials for educators who are interested in bringing students to the exhibition for a digital field trip. 

◆Visitors to the exhibition will also have an opportunity to visit the STEM Experiential Hall where you can get access to interactive and immersive (沉浸式的) STEM experiences. 

◆Please plan on watching the Winners Award Ceremony on October 21 at 7 pm and see who will bring home the prize. 

When starting my sixth-grade year, I was nervous about many things. But nothing compared to the problem that I got to the age where my voice started changing. At first, the voice getting deep excited me. But then I learned before getting deeper, it can crack (变嘶哑).

The first time it happened I was so embarrassed. Surprisingly, my friends didn't make fun of me. In fact, they didn't even mention it. But in my self-conscious sixth-grade mind I was certain they made fun of me behind my back. They weren't having the same problem.

After my first voice crack experience, I was determined to make sure it wouldn't happen again. At least not in public. So, except for strategic times I said, "cool" and "yeah", I didn't talk. My logic was, "If I don't use my voice, it cannot crack." However, I couldn't go without talking forever. I needed a new solution.

I began clearing my throat before speaking, which actually seemed to help. Limiting how much I spoke and clearing my voice made me much less stressful. This was great but there was a larger problem. I was much more scared about having a voice crack during class. My class had many new kids I'd never spoken with. I didn't want their first impressions of me to be based on a voice crack.

Unfortunately, one day my concern came true. It was about two months after the beginning of the term. On the day it happened everything was the same as always until I got into the classroom. I noticed that we had a substitute teacher (代课老师) and immediately started thinking about how he would take attendance. My permanent teacher never had to, since he already knew each student, I panicked. So many thoughts rushed through my mind that I couldn't think straight. I calmed myself down by telling myself that I only had to say one word "Here". "Easy enough, right?" I thought so until my name was called. I did my routine—cleared my throat, took a breath, and said, "Here." The only problem was that while saying this, I had the worst voice crack in the history of voice cracks.

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。

The whole class turned to look at me.

……

"You know, the voice problem you met in class is normal," a classmate came to me and said.

注意：1．词数100词左右。2．开头和结尾已为你写好。

参考词汇：成人仪式the coming-of-age ceremony 

Dear David,

……

Yours,

Li Hua

Papermaking is one of the four great inventions of ancient China, along with printing, gunpowder and the compass. It is also the crystallization of  (wise) of ancient Chinese people. Among various types of handmade paper in China, Xuan paper is famous for its close links to traditional calligraphy and ink paintings.

The term Xuan paper first appeared in On Famous Paintings through the Ages, a book written by Zhang Yanyuan in Tang Dynasty (618-907), he described Xuan paper as ideal carrier for calligraphy and painting. Handmade Xuan paper from Jingxian county, East China's Anhui province, (list) as a present to the imperial court for its supreme quality during the period.

The traditional craft of making Xuan paper is extremely  (demand). Sandalwood (檀香树) bark, a plant native  southern China, goes through 108  (procedure) together with rice straw over the course of three years before it can transform into a batch of fine Xuan paper. The entire procedure is so complex that even the most skilled craftsman can only master limited number of steps. 

The flow of ink, both guided and resisted by water, determines the output of Chinese art, and Xuan paper outshines others with its excellent ability  (give) full play to ink.

Xuan paper  (accompany) the passionate brushstrokes of the Chinese literati (文人) for thousands of years. Unlike other forms of paper, it is very resistant to the damage brought by time. It is this durability  has made the preservation of many valuable works from ancient China possible.

I am a professor of psychology. Some time ago, I got halfway through a day of teaching before a co-worker pointed out to me I was quite 1  wearing a different pair of shoes, one red and one black. I felt so 2  and upset but I would have to go to teach my 3  like this. When I noticed how much I wanted to disappear and avoid this 4 , I was determined to face it 5 . I walked into class and 6  to the students that I was wearing two shoes from 7  pairs, and directed their attention to my feet. Everyone laughed and we went on with class. Years later, a 8  in that class told me that this was the moment she first thought that maybe, just maybe, she could be a professor, too.

I 9  my mistake because I realized that trying to hide it was weakening my ability to concentrate my mind on my teaching—but I had no idea that it would also help shorten the 10  distance between my students and myself.

Many contexts may 11  or shame people for making mistakes. Our efforts to avoid them 12  our desires for success, and how others will respond to our mistakes. We might feel 13  and shame if we do make some.

However, mistake-making is part of learning new things, and it can 14  us closer to others. It 15  up the possibility of accepting mistakes gladly, letting us be more open and engaged in what we are doing.

Five Nutrition Myths and What Health Experts Want You to Know Instead

If you're looking to improve your diet and achieve your health goals, keep reading to find out what you need to know.

MYTH 1: All fat is bad.

By the 1980s, doctors, government health experts, the food industry and the media were reporting that a low-fat diet could benefit everyone. As a result, many people replaced calories from fat with calories from refined carbohydrates such as white flour and added sugar.  Examples of those include monounsaturated (单元不饱和的) fats found in olive oil, certain nuts and seeds.

MYTH 2:

While the nutrition of plant-based drinks can vary, many have more added ingredients which can contribute to poor health than cow's milk. Typically, cow's milk has about eight grams of protein per 250 millilitres. Almond drinks on the other hand, typically has one or two grams in the same amount.

MYTH 3: Potatoes are bad for you.

Potatoes have often been defamed in the nutrition community because of their high glycemic index (血糖指数), which can increase your blood sugar sharply.  They are also inexpensive and available year-round in grocery stores.

MYTH 4: "Calories in, calories out" is the most important factor for maintaining weight.

But research does not suggest that eating more will result in becoming overweight or obese. Rather, it's the types of foods we eat that may be the long-term drivers of those conditions.

MYTH 5: Fresh fruits and vegetables are always healthier than canned, frozen or dried varieties.

Research has found that frozen, canned and dried fruits and vegetables can be just as nutritious as their fresh counterparts.  However, some canned, frozen and dried varieties contain added sugars, saturated (饱和的) fats and sodium, so be sure to read nutrition labels, especially on prepared foods. 

A. All drinks are nutritious.

B. They can also be a money saver.

C. Plant drinks are healthier than dairy milk.

D. In reality, healthy fats help reduce your risk.

E. It's true that extra-processed foods can lead to weight gain.

F. However, they are rich in vitamin C, fibre and other nutrients.

G. If you burn more calories than you consume, you will probably lose weight.