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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。

B

I am interested in inventions because they can make our lives better. One of my favorite inventions is the smartphone. It combines many functions, like making calls, sending messages, taking photos, and surfing the Internet. Another great invention is the electric car. It is more environmentally friendly than traditional cars. I also admire the invention of 3D printing. It can create real objects from digital models. Inventions are not only about high - tech things. Even simple inventions, like the paperclip, can be very useful. I hope to learn more about inventions and maybe create my own someday.

A

Inventions have played a crucial role in human history. The wheel, one of the earliest inventions, made it easier to transport goods. The printing press, invented by Gutenberg, changed the way information was spread. It allowed books to be printed in large numbers, making knowledge more accessible. The steam engine was another important invention that led to the Industrial Revolution. It transformed manufacturing and transportation. In modern times, inventions like the computer and the Internet have revolutionized communication and information sharing. These inventions have not only made our lives more convenient but also changed the way we work and interact with each other.

We should encourage  and innovation to develop new inventions.

Inventions in  have saved many lives.

We use the Internet to  for information and communicate.

The wheel is one of the most important  inventions.

Inventions have  changed our world.

Creativity and innovation should  .

Many lives    by inventions in medicine.

 useful invention the light bulb is!

 the wheel one of the most important ancient inventions?

 have inventions done?