Basketball, running and swimming are popular events(项目)at the Olympics. But there are also some events that are not as popular. Some are even very strange. Let's see if you have any knowledge about the following events.

Tug-of-war

This event started in 1900 and left the Olympics in 1920. The team wins if they pull the rope past a certain point first. Interestingly, more than one team from a country can enter in this event. This makes it possible for one country to win several medals.

Rope climbing

It first appeared as an Olympic sport in 1896. The climber who spends the shortest time reaching the top is the winner. The rope used to be 15 meters long. Years later, it was shortened to 8 meters for some reason. After 1932, there was no rope climbing in the Olympics.

Race walking

In race walking, walkers have to win the race by walking. To make sure that they do not run, race walkers must have one foot on the ground at all times. Race walking has been an Olympic sport since 1904. Men enter in 20 kilometer and 50 kilometer races; women only race 20 kilometers.

1.Which of the following events left the Olympics in 1920?

A.Rope climbing. B.Basketball.

C.Tug-of-war D.Race walking.

2.The rope in rope climbing was _____________metres long in 1896.

A.8 B.15 C.20 D.50

3.Which of the following is TRUE according to the passage?

A.One country can only enter one team in tug-of-war.

B.Rope climbing first appeared in the 1932 Olympics.

C.Women in race walking can enter in the 50 kilometer race.

D.Race walking is still an event at the Olympic Games today.

As we all face the novel coronavirus (新型冠状病毒), protecting yourself is the same as protecting others. Here is some safety ______ for you from the World Health Organization (WHO) to help prevent the coronavinus.

Stay away from crowds and wear masks

The virus can spread from person to person. If you have to go to crowded places, remember to wear a mask. Keep at least one meter of distance between ______ and others, especially those who are coughing or sneezing.

Why? The coronavirus can be spread through mucus droplets (粘液飞沫) and travel one to two meters in the air before falling to the ground. The droplets can be spread ______ by sneezing or coughing than by speaking. If you are too close, you can take in the virus. Wearing a mask can prevent droplets from reaching your face or mouth.

Open the window to ventilate (通风) the room

Keep proper indoor ventilation while you're at home. Open windows to let in fresh air during the day. It's best to do this three times a day for 15 minutes to half an hour each time.

Why? According to the research, indoor air is often more polluted than outdoor air. The simple act of opening a window even in cold weather can reduce the pollution. Therefore, keep the window open, ______ you may catch the virus when it builds up to a certain amount.

Keep up good habits

Still, it's necessary for you to keep healthy habits such as eating a balanced and exercising often, as well as getting ______ sleep.

Why? Doing these things can ______your immune system (免疫系统), making it less likely for you to catch the virus. Good habits are directly related to fewer illnesses and better health.

Wash hands properly

Remember to wash your hands before eating, after going to the bathroom, coming home, coming into contact with rubbish and touching animals. Avoid ______ your eyes, nose and mouth before washing your hands.

Why? Your hands might touch surfaces that can be polluted by the virus. This is especially important when you open doors which have been used by quite a few people. Washing your hands often ______ soap and water for at least 20 seconds can stop the virus from entering your body.

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