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However, both leaving leftovers out for a long period of time and adding hot items to the fridge can cause problems.

Whether you should immediately put food in the fridge or let it sit out to cool depends on its temperature. Dangerous bacterial (细菌的) growth happens between 41 and 135 degrees F. Potentially harmful bacteria grows most rapidly at these temperatures.

Placing lots of hot food in the fridge can raise the temperature of the fridge into this danger zone. Fridge temperatures should always be set below 40 degrees F. This may help the food get out of the danger zone as fast as possible.

However, there's no harm in putting hot food directly into the fridge if you need to. If you are a forgetful person, or if you won't be around to store the food after it has cooled enough, go ahead and put it in the fridge. Your fridge can handle the heat and get the food cooled quickly.

Food should never stay out at room temperature for more than two hours. Leftovers can become breeding grounds (滋生地) for dangerous bacteria if they're left out too long and can make people sick.

"It is OK to leave the food cooling outside before you hit the two-hour mark," says Serena Poon, nutritionist of Le Cordon Bleu's Grand Diploma training program. "In fact, the sooner you can get your leftovers in the fridge, the better."

A doctor told me at a young age that I would likely never graduate from high school due to my severe hearing loss and my extremely slow speech development. I found the courage to work hard in school and be active in sports and other activities despite wearing hearing aids and living with a 70% hearing loss. By the time I was college-age, I started losing my night vision. I decided to go away to college 300 miles from home. I obtained my bachelor' s degree and graduated with honors. Even though I had terrible hearing loss and was beginning to lose my sight at night, I found the courage to begin a professional career.

After earning my MBA degree, I accepted a position with Kellogg in the Corporate Affairs Department. When I was working on my MBA degree, I found the courage to ask someone successful despite facing similar challenges to mentor（指导）me. He encouraged me to consider Kellogg as he knew the company was committed to diversity and inclusion（包容）. I nervously started my new career, because my vision loss had progressed significantly in the past few years. I am thankful to have a mentor that encouraged me and I am thankful I found the courage to apply for a position with Kellogg.

While Kellogg fosters a supportive, encouraging environment, it still takes courage for me to require what I need to make sure I am successful in my career. I need courage to speak up and ask for suitable accommodations to do my job. I also have to ask for assistance navigating through unfamiliar areas. I have found that everyone at Kellogg is always more than willing to take my requests into account.

Even though I face daily challenges, I have so much to be grateful for. We often face difficulties we cannot control, but we can be courageous in order to face adversity and address challenges.

要点提示：

1.词数80词左右（短文的开头已给出，不计入词数）；

2.文中不得出现真实人名和校名。

Dear classmates,

Good morning, everyone! I'm glad to give you some advice on how to lower stress.

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Have you ever heard of the "cleaning monk(和尚)" in the Summer Palace? He is Zhang Xu, a cleaner, who is very familiar (熟悉的) with the ancient buildings of the Summer Palace. A video of his explanation became very popular on the Internet.

"One day, while I was cleaning up, I saw some tourists reading a book. It seemed that they got into trouble, so I went up to them and offered to help." said Zhang Xu, "Besides cleaning, I also provide other services like giving directions, answering questions and offering explanations."

For Zhang Xu, the Summer Palace is special. As a child, he came here to play.张旭于2021年开始在颐和园工作。 Because he likes to read different books and search for information online, he has become an expert at the Summer Palace.

Zhang Xu says that he doesn't want to be an Internet celebrity (网红), but he wants to continue learning, working, and serving. He hopes to become a professional commentator (解说员) one day so that more people can fall in love with the Summer Palace and understand Chinese culture.

Fried Chop Rice Cake, also called lǘ dǎ gǔn in Chinese, is one of the most popular (snack) in Beijing. It is a kind of cake that (taste) sweet, soft and delicious. Why do Chinese people call it lǘ dă gǔn? Does its name have anything to do with donkeys (驴)?

It (say) that in the Qing Dynasty, Queen Cixi was tired of having the same kind of food every day. So, one day, she ordered a cook (cook) something different. It was really difficult for the cook because he didn't know how to meet the needs of Cixi. After thinking (careful), he made a new kind of cake by using rice powder (粉末) and red bean paste (馅).

However, a boy came to the kitchen he dropped the cake into powder by accident. The cook was very worried because it was too late to make new one. He had to take the cake to Queen Cixi nervously.

To his surprise, Cixi (like) the cake very much. She asked the cook the name of the cake. The cook had never thought about that. Suddenly, he thought of the name of the boy — "Xiao Lur". So he said that its name was lǘ dǎ gǔn.

Since then, lǘ dă gǔn has become more and more popular for (it) special taste and funny name. Would you like to try it?

I know my math teacher is strict, but I never2 that one day I would be criticized for a small mistake. Anger, along with confusion (疑惑), rose from my3. After that class, I was asked to the office. "I4 be called for more criticism," I thought.

But to my5 again, he said: "Do you get to know your mistake now? Because I believe a clever student like you would have never done that except by accident."

Next, he read both the question and the answer6, then asked again whether I had any problems. I had been told that teachers would never talk with one student face to face unless they really cared. At that moment, I deeply felt he was so kind that I was deeply7. He seemed so caring. My anger8.

But that wasn't the end of the story. In the afternoon, he called me again and gave me some papers. They are especially9 for me. He told me to finish them and take it seriously.

In my heart, I had nothing left to say, only feelings of thanks and regrets, for I once misunderstood him. I shall10 him forever.

March 20 is World Oral (口腔) Health Day. It's a time to focus on the importance of good oral health. .

Why is oral health important?

It's more than just about having a healthy mouth. Our mouth is the first place where food goes, and it holds bacteria (细菌). . And our mouth affects our confidence, too. Problems like bad breath or misaligned (不整的) teeth can make us want to avoid socializing.

What are some common oral problems faced by teenagers?

. Signs of it are teeth with dark spots or teeth that hurt when eating hot or cold foods. Tooth decay (蛀牙) can harm the tooth nerve and the life of the tooth. Then there's periodontitis (牙周炎), known as gum disease (牙龈疾病). It often happens when you don't take good care of your mouth and teeth. ?

It's best to brush your teeth for three to five minutes at a time. But it's best not to brush your teeth for more than five minutes. Because it can hurt your gums. Brush your teeth two to three times a day. The most important time is in the evening when you brush your teeth before bed.

Do I need to use dental floss (牙线) and mouth wash every day?

For dental floss, it depends. If you have straight teeth with few gaps (缝隙), flossing once a week is enough. .

Mouthwash, on the other hand, shouldn't be used for a long time. Generally, it has some disinfectant (消毒剂) in it. Using it for a long time will hurt the natural balance of bacteria in your mouth and lead to gum problems.

A. If not, use dental floss daily.

B. Teens interviewed a dentist to share with us some tips on oral health.

C. How many times a day should I brush?

D. Keeping our mouth clean and health y helps our stomach work well.

E. Tooth decay is one oral problem.

People have long been dreaming of living on Mars one day. But Mars doesn't have enough oxygen (氧气) for us to breathe! Luckily, some smart scientists from China worked with a robot called the "Machine Chemist" to find a way to make oxygen on Mars. Together, they found a catalyst (催化剂) that helps make oxygen faster with less energy.

As we know, Mars has a little bit of water, and scientists have found a way to use sunlight to get oxygen from the water. But here's the difficult part: They needed a catalyst to speed up the process, and bringing the catalyst from Earth to Mars would be expensive. That's why the "Machine Chemist", known as Xiao Lai, comes in.

Xiao Lai is smart and can learn, think, and do experiments. It has read over 50,000 scientific papers before it found the perfect method for the catalyst. Can you imagine how many combinations (组合) scientists had to try? More than 3.76 million! It would have taken humans thousands of years to test them all, but don't worry — Xiao Lai did the job in six weeks!

The scientists are excited about this breakthrough (重大进展) because it opens up new chances for exploring (探索) space. This discovery is a huge deal because it means we can make oxygen on Mars without bringing everything from Earth.

Yang Zhiyang is a 23-year-old boy from Baoji, Shaanxi Province. He has become an example for young people as he works full-time to take care of his mother, who has ALS (渐冻症). Yang's mother, Su Jing, got ALS in 2010 and she couldn't do normal things easily. Because Yang's father had to work for long hours to make money, Yang started to take care of his mother after finishing college in 2020.

Because of the disease, Yang's mother needs help with almost everything. She needs to be carried up and down the stairs. She also has difficulty speaking. She can still type on her mobile phone, but most of the time, she chooses to communicate with her son in another way.

"My mother and I use eye contact (接触) for most of our communication," Yang says. "For example, when she wants to sleep, she uses her eyes to show that she is tired, and she turns her head towards the bedroom. And when she needs water, she will look at the water cup on the table."

For many things, Yang has to be very careful, including helping her mother bathe and use the toilet. Though the work is difficult, Yang enjoys all the time he spends with his mother. He accompanies (陪伴) her every time she exercises. To make it more fun, he often sings to her.

Yang's love for his mother has touched many people. But Yang says it's only natural that he should take care of his mother. "My mother brought me up. I'm just doing what a son should do," he says.

"I should be studying for my mid- term exams," I thought, "not lying here in bed. But my strange illness made me come back home from school in the middle of the term. Now, I have to wait for a specialist who can't see me until the end of the month."

I had been so positive about getting answers for my muscle weakness, but I wok e up with my feelings just as heavy as my body. I started doubting the hope I was holding on to. At this point, I had been lying in bed for two months with no improvement.

I was falling in and out of sleep when I heard a knock at the door. It was a nurse. After I had fainted (昏厥) from tiredness at the doctor's office a month earlier, he decided I was too weak to leave my house, so he ordered in- home care. But it was a Friday night. Nurses never came this late.

My mom walked the nurse upstairs to my bedroom. She looked very concerned.

"Hi, Alyssa, I'm Grace," she said. "I saw your blood work, and your numbers are all over the place. We need to get you into a hospital soon. You know what? My brother worked at a medical center. I'll get you an appointment there first thing Monday morning.

Up until this point, doctors had been telling me that I was stressed and just needed rest, or that something was so wrong that life as I knew would never be the same. What I needed was someone to know that I was living in a very dark place, and to shine some light into my situation. Thank Grace for her appearance.

On Saturday morning, we arrived at the medical center. Because of Grace, my name was in their system and I was agreed to be checked in and seen by their doctors.

The doctors immediately diagnosed (诊断) me with the muscle disease called myasthenia gravis (重症肌无力). They found all of this and more.

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。

They not only diagnosed me correctly, but also treated me very well.

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I went to see Grace before I left hospital.

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