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Have you and your friends ever argued about what color this dress is? Just wait a minute before you start calling each other "colorblind". According to USA Today, "no one is wrong, no one is right", because there is real science behind why we see it differently, and having eyesight （视力）problems is not part of it.

To make it clear, the dress itself is black and blue. That is said, however, in a survey taken by a social media website Yik Yakon Feb. 26, among tens of thousands of answers, "white and gold" actually beat "black and blue" 53 percent to 47 percent, reported Forbes. Isn't that strange？

Over millions of years, human brains have developed a certain way to always be able to tell an object's true color even if the lighting conditions keep changing. Just imagine looking at your white shirt during a golden sunset or under a purple light. Its color actually changes but you just know that it's white, don't you?

This is because your brain understands how the light is influencing the color of your shirt, and so you can tell it is white.

Scientists call this "color constancy（恒定）". It helped humans continue to live in the past. "You need to know whether an apple is ripe（成熟的） to eat, whether it's sunny or gray," Stefano Soatto, a professor at the University of California, Los Angeles, told The Wall Street Journal.

Usually this system works just fine, but this situation made it harder. Everyone told the color of the dress after looking at one single image（样子） in which where there were no other objects except the dress itself, giving us little information about the lighting conditions.

And here is where the disagreements began. When they see the image, some brains think that the lighting in the room is very poor, so the dress must have very bright colors, like white and gold. Some, however, think the opposite: The lighting is very strong, so the dress must be in darker colors to look the way it does in the picture.

So, there is no need to question your eyesight if you see the dress as white and gold, and those who see it as blue and black should not be smug（自鸣得意的） either. This is nothing more than an optical illusion（视错觉）. And no one gets serious about those, do they？

Seven police sniffer dogs and their handlers____were welcomed for the G20 Leaders Summit in Hangzhou. 

"As early as March, we began to train and select sniffer dogs for the summit from more than 200 police dogs at our training center," said QiMing, director of the dog training center of the Heilongjiang provincial border defense troops in Harbin.

After four months of training and rounds of internal selection（内部选拔）, seven dogs passed the strict examination of the Ministry of Public Security and joined the mission during the summit, Qi said.

"Every day we spent more than 12 hours outside. The high temperature of the city was a big challenge for the dogs, which are native（本地出生的）to the northeast."said ZhengHang, the team leader.

In order to lower the temperature, they installed electric fans and automatic spray devices in kennels and placed ice outside. In addition, they decided to shave off the hair of the northern dogs.

"I chose a Mohawk style for my 4-year-old Labrador, which makes him look quite fashionable. But now another problem is coming. How will he stand the winter cold in Harbin before its hair grows out again? Maybe I'll have to make a cotton coat for him," Zheng said.

WuXu, a handler with another Labrador, said: "The heavy tasks and uncomfortable conditions will more or less affect the dogs' mood. As their trainers, we pay attention to their daily lives, but it is most important to communicate with them. They like being touched, and we also often talk with them."

There was once a young man who liked puppets so much, he became a student to a master puppet-maker. Sadly, the young man was very clumsy（笨拙的）, and his teacher and the other students were always telling him he had no ability to make puppets, he would never succeed.

Even so, he enjoyed it so much that he worked day after day to improve. Despite his efforts, they would always find something wrong with the puppets he had made, so they threw him out of the workshop.

The young man wasn't going to give up. He decided to spend all his time making just one kind of puppet. Years passed, and with each new try, his puppet became a little bit better. By now, his puppet was much better than his old fellow students could make, but he kept making improvements, seeking perfection.

By the time he was an old man, his puppet was truly wonderful. After so many years of work, he finished work on his puppet, and said, "I can't find anything wrong with it. This time it is perfect!" And for the first time in all those years, instead of abandoning his puppet, he put it up on the shelf, feeling truly satisfied and happy. 

Here are some ads for you:

请以"Enjoy Travel, Enjoy Life"为题写篇短文，分享你的某次旅行经历及对旅行的看法。

内容要点：

1.你本次旅行的时间、地点、和谁一起去、交通方式、天气状况等(至少包含三点)；

2.你的旅游经历，如游去了哪些景点、玩了哪些项目、吃了什么特色菜等；

3.对这次经历的感悟，如旅行的注意事项、收获、意义等。

注意：

1.词数80左右；

2.短文须包含所有要点，可以适当发挥；

3.文中不得出现真实人名。

Enjoy Travel, Enjoy Life

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Do you know how to make true friends? Let me give you some advice.

First, you have to decide who can become your friends. You can those who share the same hobbies with you. When friendship begins, you plan activities. Make sure you can do them   together. Second, start a small talk. You can ask your new friends questions,, "Who's your favourite singer?" Then you will know each other better. Third, being helpful is important, too. When your classmates are in trouble, you can try to your help. You can lend a pen to your   new deskmate. You can also care for a classmate who doesn't feel well. Fourth, the best way to make true friends is being . You won't feel good when you lie to your friends.

I hope the advice may be helpful to you. Just have a try!

In Guatemala, there is also a cool project. In 2009, the village of Granados used plastic bottles to build a new school. They put plastic bottles and cement (水泥) together. They filled the bottles with waste. For the two classrooms in this project, they used over 5, 000 plastic bottles, and lots of waste and cement. It cost only$10, 000. Now, 297 students are studying in this school.

These schools made of plastic bottles show us a great way to use waste. It also tells us we can reuse a lot of things.

       Alex travelled to over 70 Chinese cities on his vacations. He likes the local food there, such as Yunnan rice noodles, Sichuan hot pot, Beijing roast duck and so on. "China is a country with a long history. It has excellent culture. I am deeply attracted (吸引) by it," said Alex.

       In 2018, Alex returned to Russia. Though there were lots of amazing Chinese restaurants there, he couldn't stop missing his days in China. So he came back to China again in 2023.

"I love China so much," said Alex. "My dream is to make great videos to show my love for China. And I will do what I can to help more foreigners to know a real China." Alex plans to visit more places this year. His next stop will be Xinjiang.

Eva and Dave were riding down the other side of the street. Suddenly, Dave stopped and pointed.

"Whoa! Did you see that?" he asked. "Jackson just totally fell down there!"

"Oh, no! Is he okay?" asked Eva.

"It looks like he hurt his knee."

Just as they were still talking about this, Mandy caught up with them. "What are you guys talking about?" she asked.

"Jackson just fell and hurt his knee," said Eva.

"Was he bleeding (流血)?" asked Mandy.

The story began to spread. Within an hour, Kevin heard the whole story. "Jackson got hit by a car on his way home. There was blood everywhere, and he was sent to the hospital."

That night, Oliver got more information. "____________ He doesn't even remember anything about the accident! He won't be at school for at least four weeks."

The next morning, everybody at school was talking about Jackson.

"Lucky Jackson," Maya said. "He gets to miss so much school."

"The poor guy can't even move, and you think he's lucky?" said Kathy.

Bob shook his head sadly, "He was so good at football—what if he can never play again?"

"Maybe we should send him a card or visit him in the hospital," suggested Bill.

"Will he even remember us?" asked Gina.

"I can't believe he lost his memory!" Lisa cried.

Just then, Jackson came around the corner and walked over to Gina and Lisa. "Hey, guys, what's going on?" he asked.

Everyone stopped talking and stared (瞪眼看) at him.

You can never do a kindness too soon, for you never know how soon it will be too late.

—Ralph Waldo Emerson

How many times have we said, "Oh, I'll do that 1." Sometimes tomorrow never 2 and we find ourselves saying, "Boy, I wish I hadn't put that off."

Our family has been friends with Betty for many years. Over the years we shared phone calls and birthday cards. Betty sent our youngest son Brandon a birthday card with $50 in it until he graduated. We 3 each other quite often when we lived not far away. Then we moved to New York. However, the distance did not cut off the touch we kept in with each other.

This past November, I called Betty to see 4 she was. I was quite 5 when Betty didn't answer the phone, instead her daughter Carol did. Carol told me that her mum had gone downhill fast and she was now in hospice (临终养老院) care. Carol 6 the phone to Betty. I talked briefly to her and let her 7 we loved her.

As soon as I got off the phone, I sent a text to Brandon to let him know Betty wasn't doing 8. Little did I know that Brandon stopped what he was doing and immediately sent flowers to Betty.

You can imagine how 9 I was of Brandon when Carol called the next day letting me know how much Betty loved the flowers Brandon had sent. A few days later, Betty passed away. So, my friends, 10 what Emerson once said, "You can never do a kindness too soon, for you never know how soon it will be too late."

The farm has three2. I went to Green Grassland first. It was so big and green, and I saw a lot of sheep. I also saw a machine selling sheep food, so I3 some. As I walked around, I stopped4 the sheep here and there. That was a lot of fun! Soon, it was time for the farm's sheep show. My favourite part of it was sheep shearing (剪羊毛). A man cut a sheep's wool. It was so easy for him and he5 in just five minutes.

After that, I went to6 second part of the farm—Guanshan Pastoral Area. I watched a horse show there. Two men did a lot of cool tricks with the horses. It was really7.

Then I made8 way to Shoushan Park. It is the farm's last part. I saw a lot of trees and animals and took many photos9 my smartphone.

I had a good time on Qingjing Farm! I want to visit it again.10 you go to the farm for a visit, you will like it too.

A: Hello, Scott. I have many chores to do today.          

B: Sure! What do you want me to do?

A: I'm going to have a party at home. Could you please help me clean the living room?

B:   

A: Oh, I also want to move the table away.

B:

A: I want to put it next to the window.

B: What else?

A: Oh, my fish.   

B: OK. I like to look after fish.

A: No problem.
 

A. Of course.

B. Can I take photos of your fish?

C. Where do you want to move it to?

D. Could you please help me feed it?

E. Can you help me?

要点如下：

1.你最喜欢什么学科；

2.就你喜欢的这门学科，谈谈你的学习方法(列举3条以上)；

3.在学习过程中遇到问题时你是怎样解决的。

4. ……

要求：

1.文中不得出现真实姓名和学校名称；

2. 词数100左右。

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B: It was great.

A: ?

B: I have been to Beijing with my parents.

A: Oh, Beijing is a good place to visit. ?

B: For ten days.

A: ?

B: Yes, I have. It is the greatest wall I have ever seen. We also spent a day on Wangfujing Street and bought many nice things.

A: ?

B: We went to Tian'anmen Square to watch the national flag go up.

A: ?

B: We came back last Tuesday.

Many of us love taking selfies (自拍). In the past, we took selfies lifting mobile phones. But sometimes we couldn't get a perfect shot.

That's why the selfie stick was invented. This stick reaches one meter long in order to get more people into a picture. So it's much easier take selfies. Selfie sticks can be easily folded up and taken with you. But they also come with safety risks. People try to use them when riding a bike could get hurt. In crowded places, the sticks would get in way of other people's pictures. Recently, many people have given up using them. Some think selfie sticks shouldn't allowed in public places.

I often hear some students say English is difficult, and it gives them a headache. So they can't learn it well. English is very easy for me. I'm good at it. I'm very glad to tell you something about how I study English.

First, I think an in English is very important. When I was in Grade One, we had a new subject–English. It was fresh for me. I was interested in it, so I worked hard at it. Soon we had an English exam and I got a very good mark. How happy I was! After that, I learned English and harder. Our English teacher often teaches us English songs, the songs sound nice. I often think interesting English is!

Second, I think English is a foreign language. I should learn it well in the ways: Listen to the teacher carefully, speak bravely, read aloud and have a good vocabulary (词汇). Then practice again and again, never be tired. And I also have a good habit: Asking whenever I have a question, I must make it clear by our English teacher. How happy I am when I understand!

Besides this, I often read English stories, jokes and easy novels. From these I know English is not only interesting, but also. They help me understand a lot of things. So to do more reading is an important way to learn English well.

And I also do some from our class magazines, and I often write English diaries. English has become a close friend of.

Now I have English for more than two years. I always keep the first position in our school. From these words, I hope every student can learn English well.

According1 the BBC, the Ancient Egyptians used a type of toothpaste(牙膏). But it is believed that the Egyptians used a finger2a toothbrush to clean their teeth. Chinese people may have3 the first toothbrush around 1,600 BC．

Your toothbrush,however,may have also become4. Because it is now possible to clean our teeth5 using our hands!

Two Canadians, Adel Elseri and Said Fayad, have invented6 called T2T or "tongue-to-teeth". Elseri says he came up with the idea7 he was driving home after a long day at work. His8 is a toothbrush that goes onto your tongue（舌）. T2T has special edges (边缘) and toothpaste. So just9 your tongue over your teeth just like a toothbrush10! It will make your brush fresh too．

Elseri and Fayad made this hand-free toothbrush because they believed it was a11 way for someone to brush their teeth. But people can only use the T2T12.

Would you use the tongue-to-teeth? The Huffington Post in the US13 readers what they thought. Sixty-one percent said that they would use it while only thirty-nine percent said they14. Personally I think I'm going to stick to (坚持用) the15!

Palace lantern

When making palace lanterns, fine wood was used. The palace lanterns were covered with silk or glass. Different kinds of pictures were drawn on the covers. These lanterns were not only used as lights but also as decorations in palaces.

Gauze lantern

Less expensive bamboo and gauze(薄纱) were used to cover the lantern. Red gauze was used when making them. So red lanterns are always hung on important festivals such as Lantern Festival, Spring Festival and National Day in parks or along main streets. In some famous China-towns abroad, you can see red lanterns all the year round.

Shadow picture lantern

It was usually used for amusement. There were two layers（层）of covers and pictures were drawn on the inside layer. When lit, the heat caused a paper wheel inside the lantern to turn around, so that moving pictures appeared on the outside cover.

Now more kinds of lanterns appear in festivals besides the traditional ones. More modern technology is used on making lanterns.

请你根据材料内容，选择合适选项并在答题卡上将该项涂黑，使内容完整正确。

A. In Chinese culture, red lanterns are symbols of happiness.

B. The shapes of the modern lanterns have changed a lot, too.

C. It was mainly used in palaces in ancient times.

D. The shape was much like that of the palace lanterns.

E. They have become a symbol of Chinese culture worldwide.

If you politely raise your hand first, it's probably because your teacher has a rule that regulates (规定) what you are allowed to do when you have a question. Can you imagine what it would be like if everyone can simply talk whenever they want during class? Instead of a peaceful learning environment, a classroom without rules would be chaotic (混乱的)!

When you learn to drive, you'll realize how many rules you have to follow. The rules for driving share a common purpose (目的) with many rules you must follow in your daily life to keep you safe. As an ancient Chinese saying goes, "No rules, no standards." If you make a list of the rules you follow each day, you will quickly realize how many of them can keep you safe and make your life more enjoyable as a result.

Although sometimes you feel like a rule is unjust (不公平的), don't break it. Instead, decide what you can do to change the rule. Working within the rules to change the rules is what you need to do.

Steve Jobs worked first as a video game designer at Atari. He worked there for only a few months and then he set out to tour India. He hoped that the trip would give him more ideas and give him a change in life for the better.

After he returned from India, he began to live on a farm in California. And then, in 1975, Steve Jobs set about making a new type of computer. Along with his friend Stephen Wozniak, he designed the Apple Computer in his bedroom and built it in his garage (车库). He chose the name "Apple" because it reminded him of a happy summer he once spent on an orchard (果园) in Oregon.

His Apple Computer was so successful that Steve Jobs soon became worldwide famous. But unluckily, he died of illness in 2011.