【推荐1】With the help of the Internet, robots have become good helpers in against COVID-19 in Shanghai.

Inside one hospital in Shanghai, the first 28 disinfection (消毒) robots have been put into use. Each of them can work for a whole day. At the same time, a group of “5 G smart indoor cloud robots” can carry over 20 boxed meals at a time. It took about 20 minutes to carry meals in the past. With the help of these robots, they save much time and finish the work in just 5 minutes. These robots help to cut down the risk of cross-infection (交叉感染) among sick people. What’s more, they help workers get away from danger. It’s reported that more than 200 robots will serve at hospitals. More 5G smart robots are also ready to work. They can get different information to help experts make right decisions.

Outside hospitals, more and more smart robots and unmanned (无人驾驶) cars have been put into use to fight against COVID-19. Meituan has sent more than 10 unmanned cars to Shanghai to cut down the transport (运输) pressure in Pudong New Area.

【推荐2】On April 26,2017,a big Chinese ship caught the eyes of the whole world.China' s first homemade aircraft carrier(航空母舰)hit the water in Dalian,Liaoning.

The new big ship is China' s second aircraft carrier.It was designed in China and built in China,too.It is about 315 meters long and 75 meters wide.That is a bit larger than three soccer fields.

An aircraft carrier is like an airport on the sea.It can carry planes and troops to war.Planes fly from the carrier and land back on it,and soldiers work and live on it,too.But building an aircraft carrier is so hard and expensive.It costs a lot of money and needs a large amount of steel and other special materials.For example,a basic aircraft carrier is made of 60,000 tons of steel.It also uses complex(复杂的)technologies,including radar,electrics,mechanics and weapons.Finally,it takes years to build one.Today,not many countries own an aircraft carrier or have the ability to build one.China has become the seventh country in the world that can build an aircraft carrier by itself,after the USA,Russia,England,France,Italy and Spain.

Pull at the rope

Every spring, there are sports meets at many middle schools. When students on the playground crowd into a big circle and shout loudly, “One, two, one, two,” do you know what game is on? It is tug of war.

Tug of war is a team sport between two teams at each end of a rope. There’s a white line in the middle of the field. The winning team is the one that drags the other over the line within the given time limit.

Tug of war first appeared in China 2,400 years ago. The Chu State invented the Gou Ju, a weapon for battle. When an enemy was about to run away, the soldiers used the weapon to hook the enemy and pull him back. Later, the Gou Ju spread from the army to the common people and gradually became today’s tug of war game.

However, there were similar games in ancient Egypt. It was a real competition to train soldiers for war. Teams of three soldiers held each other around the waist and tried to pull the other team over a line on the ground.

Tug of war was once an Olympic sporting event. It remained until 1920. Although it isn’t an Olympic sport now, people in almost every country like playing it very much.

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【推荐2】   

Do you know the two lovely mascots You may know the five “Fuwa” dolls from the 2008 Beijing Olympic Games. On September 17 of 2019, the two lovely mascots first showed on TV. Now, let’s see who they are.

Panda is recognized as China’s national treasure in the world. It has a friendly and lovely look. It is deeply loved by people all over the world, especially teenagers. Look at the panda! It looks like an astronaut. It wears an ice shell（冰壳）and looks fat, so we call it “Bing Dwen Dwen”. White is the color of ice and snow. “Bing Dwen Dwen” likes ice sports very much and is good at them. That’s why it is the mascot of 2022 Beijing Winter Olympic Games.

Do you think the red mascot looks like a lantern? The lantern’s name is “Shuey Rhon Rhon”. When the Chinese New Year comes, people always make or buy red lanterns. Red is the colour of hope and good luck, so people think their dreams will come true in the new year. “Shuey Rhon Rhon” can give players hope and help them do well in the 2022 Beijing Winter Paralympic Games（残奥会）.

Many people in different countries like the two mascots very much, and they show their love for them on the Internet. People think the two Olympic mascots will bring joy to those who take part in and watch the Olympic Winter Games.

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【推荐3】Young people enjoy different kinds of drinks, though they know how bad drinks are for their health. What will happen to you if water takes the place of all drinks?

Chris Bailey, a popular blogger, tried this out. Here are the advantages that he has found about drinking water.

First, you lose weight faster. You don’t have to exercise but just keep away from drinks for 9 days. So water is very important. It is the same as running for 8 kilometers a day! So write down your resolution on a piece of paper and put it on the wall. And you will see the result soon.

Sometimes when you have to stay up late for a test, you may drink a cup of tea or coffee. But do you know 75 to 85 percent of your brain is water? Nothing else! Just by drinking water, your brain can work efficiently. You may remember things quickly.

What’s more, water washes out something bad in your body. So drinking enough water can stop you from getting old soon. If you want to look young and beautiful , drink water right now! Keep on doing it for longer, and you will be surprised to touch your soft and clean skin (皮肤).

Lastly, you save money! The price of water is much lower than that of other drinks. Drink enough water every day, or spend money visiting doctors. Think about it!

So, what are you waiting for?