3 . ①Whenever you walk past a cafe, you might take interest in the coffee because of its delicious smell. But when you try this dark drink you will regret it, because it tastes like Chinese medicine. Our senses are mismatched because of the “second sense of smell” according to the Telegraph.

②“We have two senses of smell,” explained Barry Smith, professor of the University of London. “One is when you breathe (呼吸) in things from the environment, and the other is when the air comes up the nose and is breathed out through the nose.

③When we drink coffee, for example,the act of swallowing (吞咽) sends the smell up the back of our nose from inside the mouth. This wakes up the second sense of smell in our brain. As a result, it gives us a different feeling.

④In fact, the second sense of smell plays a big part in our eating experience. It may be common sense that we smell through our nose and taste using our tongue (舌头). But the truth is 80% of what we think of as taste actually reaches us through smell. Just hold your nose while eating and you will notice that your tongue can only catch a very small part of the flavor (味道).

⑤However, ____▲____. Durians(榴莲) and some cheeses are examples.“Think of a piece of cheese with an unpleasant smell,” Smith said.“It smells like the inside of a teenager’s training shoe. But once it’s in your mouth, and you are experiencing the smell through the nose in the other direction, it is delicious.

⑥So far, scientists have only found two flavors that smell the same no matter how they enter the nose-chocolate and lavender.

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4 . ①The word “zhiyin”, which means close friends, comes from the story of Yu Boya and Zhong Ziqi in the Warring States Period.

②Boya was good at playing the guqin. One day, he was playing music on his way home on the boat. To Boya’s surprise, Ziqi, a woodcutter (樵夫) who happened to pass by, could understand exactly what he wanted to express through his music. After a long talk, they became good friends. Before Boya had to return to his state, they agreed to meet again in the following year.

③The following year, Boya took his guqin to the place where they met for the first time. It was an exciting date for him to meet Ziqi. He waited for a long time,but Ziqi didn’t appear. Unfortunately, when visiting Ziqi’s father, Boya heard that his good friend had died from a disease. Boya was so sad and in front of Ziqi’s tomb (墓), he played again the music he had played when they first met. The feeling of the music was so strong that it was as if the rivers and the mountains were crying. When finishing playing, Boya broke his guqin into pieces. From then on, Boya never played again.

④People in the Song Dynasty built the Guqin Tai in Hanyang to the memory of the deep friendship between Boya and Ziqi. It became an important part of the local culture.

⑤Zhiyin culture has new development in the new period. The famous ancient Chinese classical music piece Gaoshan Liushui was performed during the G2.0 Summit (峰会) in Hangzhou, Zhejiang Province in 2016. The musical performance not only showed the beauty of traditional Chinese culture, but also expressed China’s willingness to develop its friendship with people from around the world.

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7 . Everybody knows that football is one of the most popular sports in the world. However, there are many other kinds. Which would you like to try?

Foot fireball (Kade, Indonesia)

Both men and women play foot fireball in Indonesia. It’s like normal (正常的) football, but the ball is on fire! People watch in amazement (惊愕) when players kick the burning ball. There is a goal (球门), but no goalkeeper because it is too dangerous to pick up the ball. We celebrate special days by playing the game, and more and more visitors come to watch it.

Rollersoccer (Max, Holland)

Rollersoccer is football played on skates. It’s played like normal football, but it’s faster and more exciting. Imagine kicking a football while you are wearing skates! It sounds like a crazy idea to many people, but players say that it’s actually easy to learn. I also think it’s safer than other sports because players can wear protective pads (防护垫). I play in a rollersoccer club and I want to play in the World Cup one day because I’m good at both football and skating.

Swamp soccer (Matilda, Finland)

If you like getting dirty, swamp soccer could be the game for you. Finland held its first tournament (锦标赛) in 1997 and now it has become a big soccer competition around the world. The rules are similar (类似的) to those for normal soccer, but the six players on each team can be men or women.

Bossaball (Luis, Brazil)

If you want to try something completely different, how about playing bossaball? It has rules similar to volleyball, but players can play the ball with any part of their body. Music plays an important role in bossaball — it is always played to the sound of fast Brazilian music. It’s fun to play and exciting to watch.

You must think a computer is the best thing in the world, right? You must think it works at a super speed and can do everything? Well, it’s not! In fact, the brain is much more powerful than any super computer! Think about when a glass is just about to fall off the table. Your brain controls everything that you need to do to save that glass from falling. First, your eyes check out what’s going on, then tell your brain, and your brain decides how quickly you need to react(反应), and then your muscles(肌肉) go into action. That is just from your brain. No computers could ever come close to that!

The brain weighs just 3 pounds, but it controls everything you do from thinking, learning, feeling even to breathing and your heart beating. Even though the brain is just 2% of your body weight, it uses around 20% of all your energy in your body. That is a lot for such a small organ(器官). There are about 100 billion tiny, tiny little cells(细胞) in your brain. There are so many that it would take you over 3,000 years to count them all!

Your brain stops growing when you’re 18, but it actually keeps on developing and learning new things. So your parents are really super smart! You won’t be able to fool them! Believe it or not, your brain NEVER stops working. Even during sleeping, the brain works for long-term memory establishment(建立). It is realized that the brain is the second organ in the body as the heart that never stops during human lives.

So everyone should be proud of such a gift of nature.

9 . When you are in England, you must be very careful in the streets because the traffic drives on the left. Before you cross a street, you must look at the right first and then left. In the morning and in the evening when people go to or come from work, the streets are very busy. Traffic is the most dangerous then. When you drive a car in England, you have to be careful, too. Always remember the traffic moves on the left. So you must be careful. Have a look first, or you will go the wrong way. In many English cities, there are big buses with two floors (层). You can sit on the second floor. From there you can see the city well. It’s very interesting.   

10 . We spoke to three students from around the world about different national holidays. There are different customs for each festival.

"It'll soon be Chinese New Year. Before it, we'll clean the house and decorate (装饰) it for good luck. Every shop is going to close for a few days and we'll go out a lot to celebrate in the streets. We might go and see the lion and dragon dances in the city center. I love this festival."

"Australia Day is on 26th January and it's an important holiday here. We always have a Monday off, so we celebrate for three days. My parents and I go to the countryside for a picnic and friends always come over. Many people go to beach parties or street parties and there is lots of music and dancing. What fun!"

"The first Thanksgiving Day was hundreds of years ago when Europeans who came to America thanked God for his help. It's still a very important day for families to be together. This year we're going to visit my grandparents and we'll eat a delicious meal for turkey. Thanksgiving Day is on the fourth Thursday in November every year."