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Sun protection is more than just avoiding sunburn—— it's about keeping your skin healthy and feeling good all summer long. Here are some ways to protect yourself.

1. Use sunscreen(防晒霜) properly

Apply sunscreen with SPF 30 or higher 20-30 minutes before going outside. Don't forget to reapply every two hours, especially after swimming or sweating. Studies show that most people apply too little sunscreen, so using enough (about 1 teaspoon for the face) is key.

2. Wear the right clothes

Wear long sleeves, hats, and UV-protective sunglasses. Dark-colored clothes with tight weaves block more UV rays than light ones. A good pair of sunglasses not only protects your eyes but also prevents fine lines around the eyes caused by squinting(眯眼).

3. Seek shade during peak hours

The sun is strongest from 10 a. m. to 4 p. m. Use natural shade from trees or create your own shade with umbrellas or tents.

4. Drink enough water

Drinking plenty of water is important for skin health and overall comfort. When you sweat, your body loses water and salt, so drink lots of water even if you're not thirsty.You can also enjoy drinks like tea or fruit juice.

By following these steps, you'll reduce the risk of skin damage. Then you can enjoy being outside without worry. Remember: healthy skin means feeling good!

写作要求：

1. 邮件须包含表格中所有信息，并适当拓展。

2. 邮件中不能出现真实的人名和校名。

3. 邮件格式已给出，不计入总词数。

Dear Sandy, __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Zhao Hua

Have you ever met people who are like the people I'll mention below? They have a very poor sense of (direct). When they are on the street, they cannot tell the east from the west or the south from the north. Certainly, they can ask others for help. But I have to say that asking the way in a(n) (polite) way can "give" people a bad feeling.

One day I was stopped by a man. He asked, "Where is the Friendship Building?" To be honest, I wasn't very happy about what he said. Why couldn't he ask in a more polite way? With a little bad impression made by his words, I didn't pay much attention the place where he wanted to go and told him a wrong answer. Just as I walked on only a few steps, I realized that he had asked the way to my office building! But I had no time (turn) back and look for him.

I (rush) to meet with someone at my office and I didn't want to keep him waiting.

I just got to my office, the man I would meet with hadn't come yet. He said he got (lose) and might be late on the phone. About an hour (late), he arrived. He was just the man who asked way! After saying sorry to the man for what I had done, I saw the man looked ashamed (惭愧的) and he said, "I should have said sorry to you (one). That was my mistake…"

It more difficult to speak politely than directly.

I you don't get up earlier in the morning.

is not to just ask a question correctly.

You know you try something.

The bookstore is the flower store the supermarket.

"How are you?" is a nice question. It's a friendly greeting that people in the United States use. However, it's a question that often doesn't need an answer. The person who asks "How are you?" expects to hear the answer "Fine." even if the person isn't fine. They are common ways of saying "hello" or "hi".

Sometimes, people don't say exactly what they mean. For example, when someone asks "Do you agree?" the other person may be thinking, "No, I don't. I think you're wrong." It isn't polite to disagree very strongly, so he might say, "I am not so sure." This is a nicer way to say that you don't agree with someone.

People also don't say exactly what they are thinking when they finish talking to other people. For example, many conversations over the phone end when one person says, "I've got to go now," or the person who wants to hang up gives an excuse such as "Someone is at the door," or "Something is burning on the stove." The excuse may be real, or not. The person who wants to hang up simply doesn't want to talk any more, but it isn't polite to say so. An excuse is polite, and it doesn't hurt the other person's feelings.

Whether they are greeting each other, talking about an idea, of finishing a talk, people don't say exactly that they are thinking. It's an important way that people try to be nice to each other, and it's part of the game of language.

Giving Directions in Different Places

If you ask people of different countries "Could you tell me the way to the post office?", you will get different answers.

In Japan, people use landmarks (地标) instead of street names. For example, the Japanese will say to travelers, "Go straight down to the corner. The post office is across from the bus stop."

In Kansas, America, there are no towns or buildings within miles. So instead of landmarks, people will tell you directions and distance. For example, people will say, "Go north two miles."

People in Greece sometimes do not even try to give directions. They will often say, "Follow me." Sometimes if а person doesn't know the answer to your question, he or she, like а New Yorker, might say, "Sorry, I have no idea." But in Yucatan, Mexico, no one answers "I don't know." Theу usually give an answer, but often a wrong one. A visitor can often get lost in Yucatan! You might not understand a person's words, but maybe you can understand his or her body language.

Hе or she will usually point to the correct direction. Go on in that direction and уоu may find the post office!
 

A. Turn east, and then go another mile.

B. But one thing will help you everywhere.

C. You have to talk with them all the time.

D. People there think "I don't know." is not polite.

E. Turn left at the big hotel and go past a fruit market.

F. Then he or she will take you through the streets of the city to the post office.

Use greetings (问候语) and polite expressions. Starting the conversation with a greeting is necessary. If you want to get a nice answer, begin by saying "hello" first. And some words like "may", "can" and "could" will help you express yourself better.

Build your words. You should know the basic (基本的) words when asking for directions. It may be useful to remember some famous places. Then try to use the right words when asking for a direction.

Get to know the transportation system (交通系统). Sometimes, it can happen that you are still far from your place. Which kind of public transportation should you choose? You might ask like this, "Is it far? Do I need to take the bus or the subway there?"

Don't be afraid of using symbols. Every city in the world has its own symbols. You can decrease search time if you know what the most important symbols are in the city. Your place might be around the symbols.

Don't be too shy to ask. Learn to relax if you get lost somewhere. We all do that now and then, especially when visiting a new city. But always make sure you can ask others for help!

If you know or see someone has something, ask a polite question with "could" "may" or "might". It's also possible to use "can" in some special situations. In the past, "can" was not used when asking for something, but meant ability. In the UK, people mainly use "Can you lend me…?" or "Can I have…?" In the USA, this is still considered to be wrong and "May I have…?" is preferred.

It's common to use "Could you lend/hand/give…?" Here are a lot you can use: "May/Can I borrow…?" "Could/Can you lend me…?" "May I have…?" "Could you hand/give me…?" Do not begin a sentence with "please", but you can add "please" at the end of the sentence to be polite.

Paula was going to a birthday party. The party was at a friend's house which was a little far away from her home. Paula's friend carefully wrote the1 to the party. She didn't go to the town before where her friend lived and she didn't want to be late because that was so impolite. So she left her house2. For 20 minutes she followed the directions carefully and3 at Exit 14. Then she began to have4. She couldn't find the street. She drove around and around, and soon she was5. She stopped and asked people for directions, but6 knew that street. Paula didn't have her mobile phone with her. She7 it at home on the kitchen table. Suddenly she saw a policeman. She stopped and asked him for8. He looked at the directions and smiled, "You wanted Exit 15, not Exit 14." He showed Paula how9 back on the highway. She got off at Exit 15 and found the house10. She was very late!

When she walked in, everyone was singing "Happy Birthday" to her friend. After a few minutes, Paula relaxed and began to enjoy the party.

Do you want to visit the country's most famous house? Here is what you need to know.

When can I visit the White House?

It is open from 7:30 a.m. to 11:30 a.m. Tuesday through Thursday, and 7:30 a.m. to 1:30 p.m on Friday and Saturday to visitors.

How to get to the White House?

The underground stations to the White House are Federal Triangle, Metro Center and McPherson Square. Please note there isn't a parking lot nearby. So you'd better not drive a car.

Where can I put my bag?

You are not allowed to bring your bag in the White House. If your hotel is the White House, we suggest leaving your bag in your room. If this is impossible, you can ask one member of your group to hold everyone's bags. That person can take the tour all the others have finished their visits. It is to put your bag at the baggage lockers (储物柜) at Union Station. These are near Gate A. Lockers are available from 6 a.m. to 10 p.m. every day.

For any more questions, please Tiburon Lockers at 202-898-1592.

Energetic music fills the air as students move their arms and dance along to do aerobic exercises(有氧体操), This semester, students at the Aerospace City School of RDFZ in Beijing have more fun activities. 

"Students have different physical conditions after recovering from the flu, " Wang Lifang, a PE teacher at the school, told a local TV station. "So we start from easier activities such as dancing, fun games and sit-ups to gradually improve students' physical health. "

The PE teachers designed a series of aerobic exercises, which can train students' core(核心), upper body and leg strength. To make sure everyone is safe, the school also uses wearable devices to keep track of students' heart rates during exercises. 

"The music is happy and relaxing, and we all enjoy this kind of fun PE class, " said eighth-grader TuYahan. 

At Taipingchuan No. 1 Middle School in Jilin, students began to do Tai Chi instead of running during the morning break. "I like doing Tai Chi because it won't make you out of breath. I think it's good for students who are still coughing these days, "said Liu Jiawei from the school. 

But this doesn't mean that students will not do other regular sports any more. According to Wang, the PE teachers will keep changing training plans based on students' conditions and gradually go back to normal teaching content. "During the flu season, it's even more important to let students realise the value of sports and develop healthy exercise habits, " said Wang. 

Almost 8 in 10 teens have pimples(青春痘), so it's quite normal. But knowing that doesn't make it easier when you are looking at pimples on your face in the mirror. To fight against simples, we'd better know more about them.

Water is considered to be a renewable natural resource, However, Earth's water resources are not constantly refilled. This means that no new water is being made, It is simply recycled, Each drop of rain you feel, each glass of water you drink and every stream of water—— Whether it is cascading through the Rockies or flowing through San Antonio's canals-represents water that has cycled around Earth billions of times before. The water simply changes from liquid water to water vapor to solid crystals of ice and back to water again. 

This diagram represents the constant journey of water from land and sea to air and back again. 

How good are you at maths? Some people love the challenge of maths or enjoy working out number puzzles such as sudoku. Maths is all around us, from working out how to pay the bill after a meal to calculating your household bills. But many are afraid of the moment when they have to deal with numbers and figures and feel a real sense of worry and confusion. It can seem frightening, but this "maths anxiety" is perfectly normal, and you' re certainly not alone. Anyway, our worries and fears don't mecessarily reflect our abilities. 

The problem really starts in childhood at school. Research has found that maths teachers who are nervous about teaching the subject can pass on their anxiety to the students. The Programme for International Student Assessment found around 31%of teenagers aged 15 and 16 across 34 countries said they got very nervous doing maths problems, 33% said they got nervous doing maths homework, and nearly60% said they worried that maths classes would be difficult. Shulamit Kahm, from Boston University, believes giving students good role models is critical, especially at a young age. She thinks the key is to get people to love teaching maths to younger children. 

Writing for BBC Future , David Robson says, "It's not clear why maths causes so much fear compared with geography, Because there's no room for playing tricks(花招) in maths tests, it makes you more worried about maths. And once we think we' re not a maths person, we avoid solving things that we probably could do. "

Psychologists have been trying to work out why mental arithmetic(心算) can bring us out in a sweat. That fear may come from many sources, but some suggest that expressing your fears can loosen their control on you and encourage children to see a maths test as a challenge, not a threat. Most importantly, we need to think positively about maths and give it a second chance. 

⑴你最喜欢的发明是什么；

⑵该发明的特点和功能；

⑶它给生活带来的影响。

要求：不少于60词，语句通顺，可适当发挥。