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Where was that cashier? Feeling annoyed, I glanced at my watch. I hardly had enough time to eat my tacos(玉米饼)一if I ever got them一and then dashed back to the hospital where I worked.

But I could still make it back to work in time if people would cooperate. I looked around the nearly empty fast-food restaurant but the cashier was nowhere in sight. A woman whom I guessed to be about my age stood wiping the far end of the counter(柜台) with a towel. When she thought I wasn't looking, she looked at me with sad, dark eyes.

I waited, drumming my fingers on the counter. I glanced again at my watch, and decided to write a letter about the lack of service in this place. But as I thought about my letter，I thought of Rosie, a former coworker of mine. Standing there, I heard her sweet voice warn me:"Be what 's missing.

"What do you mean,‘Be what's missing'?"I'd asked the first time I heard her use that phrase.

"Whenever you find yourself in an unpleasant situation,"she explained, "just think about what is missing.Rosie smiled."It's really simple when you think about it. If someone is mean, then kindness is missing. If someone is hateful, then love is missing. If we will be what's missing，then we 'll provide whatever the situation needs."

Here I was in an unpleasant situation. How should I"be what's missing"? What was missing was service.When the woman who'd wiped the counter laid down her towel, she walked slowly toward the cash register.With her offensive eyes，and deliberately paced words, she asked,"May I help you?" Before I could respond sarcastically(讽刺地)，I again heard Rosie' s voice:"Be what' s missing."

I took a deep breath. Looking at the woman more closely, I was struck by our differences. I was well-dressed and it was clear that I was in a hurry to be waited on一by someone who was, no doubt, overworked, underpaid, and now looked tired.

注意：1.续写词数应为150个左右; 2.请按如下格式在答题卡的相应位置作答。

With Rosie's words ringing in my head, I gave the woman my order and smiled.

"We're all the same, really," I thought as I ate my tacos.

注意：1.写作词数应为80个左右;2.请按如下格式在答题卡的相应位置作答。

Dear Jack,

Yours,

Li Hua

A new chain of coffee shops has sprung up in the city of Wuxi, East China' s Jiangsu province， themed on the ancient Huishan clay figurine( 泥人) culture- with a few modern adaptations. The Nanimomo Cafe chain has expanded  (rapid) since May last year and now has 11  ( branch) in operation. The coffee shops display  range of figurines and related creative cultural products. In addition  drinking coffee,visitors can choose whether  (have) a go at making clay sculptures on site.

Huishan clay figurines are made from the black clay found at the foot of Huishan Mountain in Wuxi. They are said to have a (record) history of more than 400 years. And they (list) among the first batch(批) of China's national intangible cultural heritage(非物质文化遗产) in 2006. In Wuxi dialect, Huishan clay figurines are pronounced nanimomo. The two most famous ( tradition) figurines are A Fu and A Xi,meaning"good fortune"and"joy"， and the factory has designed and produced several new figurines, such as Nani and Momo， are more modern and attractive to young consumers. There are also several cute and colorful characters, (carry) different types of food for which Wuxi is famous: spare ribs(排骨)，peaches and steamed buns.

It was Friday, and I slid into my seat. I looked up and felt the 1 . I heard our fifth-grade teacher say we were about to take our weekly math test. She told us not to 2  it. If we practiced our problems at home, we should be fine.

I took some deep 3 and comforted myself,"It's only 10 questions. How hard can it be?" But when a blank test arrived on my desk, I was full of 4 . Everything seemed like a blur(模糊) as I rushed to 5 on time. However, as I handed my paper to the teacher, I felt 6 good一 maybe it was because the test was over. Before the end of the day, though, she handed back the tests. I 7 .Another C.

Growing up, I felt math was a 8 . Only thanks to a devoted teacher in a summer course did I gain the basic 9  I needed to move forward. From then on, math felt more or less tolerable.

So you might be 10  that I'm now an elementary school math specialist. Today, I often think about why many students find math 11 ， and I think it has something to do with the fact that we don't develop in them the critical(批判性的) thinking skills needed for math reasoning. That's why my 12  is to teach math as a way of thinking.

I remind those students, who think they re born bad at math, that math is a skill you never 13  learning.There' ll always be something you haven't yet mastered, and that's OK. It's also OK to 14  along the way.Actually, it's not the 15  of the world if a problem needs correcting; it's an opportunity to learn and grow. So keep learning.

Humans are emotional beings who experience all kinds of emotions. Living a joyful life doesn't mean refusing painful emotions. Instead， it means developing a mindset(心 态) that prefers a positive view of the world. At the same time, it means developing healthy ways to deal with difficult emotions.

Joy strengthens relationships. When you have a positive attitude, you tend to approach the people in your life from a place of gratitude and love.__ You also tend to appreciate the strengths in others, rather than focus on what you don't like in that person.

Joy improves physical health.__ According to a study in BMCCancer ， researchers found that happiness may protect against breast cancer. The same goes for heart disease, with a study from Psychosomatic Medicine suggesting that depression may be linked to coronary(冠状动脉) disease. 

__ According to Scientific American ，  happy people are open to all sorts of ideas, and people are more likely to come up with new ideas when they are in a good mood. This is because they tend to see the bigger picture, which, in turn, inspires greater imagination.

Joy creates more joy! When you surround yourself with positive people, you experience more happiness in your own life. People who spend more time with cheerful friends are more likely to have a happier behavior. By spending more time with happy people, you may feel happier, which inspires even more joy in those you meet! 

A. Joy promotes creativity. .

B. Joy makes you more productive.

C. This helps others feel more valued.

D. In recent years, science continues to prove this.

E. Research shows that happiness spreads in social groups.

F. Here are some reasons why joy is a powerful life choice.

G. When you live joyfully, you may create better results in life.

Imagine if your houseplant was thirsty and it could tell you so. Chances are, it can一you just can't hear it.According to the findings from researchers in Israel， tomato and tobacco plants stressed from lack of water or having their stems(茎) cut make sounds comparable in volume to normal human conversation.

The sound is kind of a snap(咔嚓声) and pop. While the frequency of the plant outcry is too high for our ears, they can likely be heard by insects, other animals and other plants.

The team started with healthy and stressed tomato and tobacco plants一the stressed ones were either unwatered for several days or had their stems cut. They recorded the group in an acoustic chamber(隔音箱) and then in a noisier greenhouse. They also used a machine-learning algorithm(算法) to distinguish between happy plants, thirsty plants, and cut plants.

The team found that stressed plants make more sounds than unstressed plants，with a stressed plant making 30 to 50 clicks per hour at seemingly random intervals. Unstressed plants were much less active.

"Water-stressed plants began making noises， and the frequency of sounds peaked after five days with no water before decreasing again as the plants dried up completely. The types of sound differed with the cause of stress,"according to a press release for the research. " The machine-learning algorithm could accurately distinguish between lack of water and stress from cutting and could also tell whether the sounds came from tomato or tobacco plants.

The researchers explain that it's unclear whether the sounds result from an effort to communicate一yet they note that the sounds have ecological and evolutionary meaning."It's possible that other organisms could have evolved to hear and respond to these sounds,"says Hadany."For example, an insect that intends to lay eggs on a plant or an animal that intends to eat a plant could use the sounds to help guide their decision."

Scientists at the University of Central Florida(UCF) have created a new kind of paint that' s very light and very strong. The colors in the new paint aren't at all like those in most paints. Instead, they 're more like the colors on a butterfly s wings.

The colors in most paints come from pigments( 色素) 一small amounts of colored things mixed into the paint.For hundreds of years, humans have been blending different minerals, metals or chemicals together to produce different colors of paint. But nature has another way to create color, called " structural color". Structural color comes from small shapes on the surfaces of things like wings or feathers. Normally ，we never see the shapes that create these colors.

Researchers at Dr. Debashis Chanda's lab at UCF weren't really planning on making paint. They were trying to create a special mirrored surface. But they found super-tiny clumps(簇) of aluminum atoms(铝原子) on the surface. They realized that these clumps made colors when light hit them. So they turned their discovery into paint.

The new paint is so light that it could reduce the amount of fuel used by planes and cars. Normally, it takes about 500 kilograms of paint to cover a Boeing 747 airplane. It'd only take 1. 3 kilograms of Dr. Chanda's structural paint to do the same job. American Airlines once figured that cutting 30. 4 kilograms from its flights could save 1,514,000 liters of fuel every year. Structural paint could save over 16 times as much.

In regular paints, pigments break down and become less bright over time. That's not true for the new paint."Once we paint something with structural color, it should stay for centuries," says Dr. Chanda. Besides, the new paint doesn't heat up like regular paint. The new paint can keep surfaces up to 16. 6° Celsius cooler than normal paint.

The scientists know how to make small amounts of the new paint in the lab. Now they're trying to figure out how to make large amounts of the paint cheaply, and hopefully, it will soon come onto the market.

Ellie Hamby, a documentary photographer, and Sandy Hazelip, a physician and lecturer, toured the world in 80 days, adventuring from the beaches of Bali to the deserts of Egypt.

Their first stop was Antarctica. They got to the southernmost continent after crossing the Drake Passage,the rough waters between the southern tip of South America and Antarctica's South Shetland Islands. Since that first adventure, the pair have visited 18 countries across all seven continents.

Hazelip said she came across Hamby after her husband died in 1999. Before his death, he"planted the seed in my heart that we should start taking our grandsons on trips in the summer," she said. This led her to the Zambia Medical Mission, a project run by Hamby and her husband in southern Africa.

The two bonded because both of them loved travelling and were committed to prioritizing unique experiences over comfort while abroad. Both became closer after Hamby 's husband died in 2005.

Hazelip said the idea for their trip originated a few years before they were each set to turn 80."I just got the idea because we'd traveled previously together internationally," she said. "And so about four years before we were going to turn 80，I mentioned to her one day,‘ Ellie, wouldn't it be fun to go around the world in 80 days at age 80?"

Over the past eighty days, the pair have ridden camels in Egypt, met elephants in Bali, danced in Nepal, and observed the Northern Lights in Finland. And despite the challenges international travel presents, the best friends said they finished their trip without any arguments.

Although Hamby and Hazelip have finished their worldly adventure and returned home to Texas，the two are already planning for their next trip. And they encouraged other older travelers not to let age hold them back.Aside from some small things一like deciding not to ride a motorbike in Bali because of concerns about falling-they said their age didn't affect their travel abroad.

Bioengineering has the power to improve health globally by developing diagnostic(诊断法)，treatment and disease monitoring platforms that function in diverse settings. This conference aims at improving the open exchange of ideas between bioengineers， clinical researchers， healthcare providers， funding and community partners, policymakers and educators, discussing the current impact of bioengineering on solving global health challenges and how to connect with communities.

This conference aims to provide a forum(论坛) to present research about :

> Improving for global health: low-cost diagnostics

> Establishing effective treatment

> Funding and publishing global health-related bioengineering research

> Providing training and education as a means to advance global health

> Capacity building for disease prevention

Submission Deadline  September 8, 2023

PLEASE NOTE: You must register for the conference in order to be accepted.

How to submit:

1. Click"Submit Abstract"

2. Create an account, follow the steps and submit your research

3. Register for the conference

4. Check your email for a decision email

You will be informed via email shortly after the deadline whether you have been accepted or not.

*Submission confirmation and future communications will come from a natureconferences@ nature. com email address.

Fee: