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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登顶珠峰的登山者们多勇敢啊!(完成译句)
______ _______ mountain climbers who have successfully reached the summit of Qomolangma !
幸福是回到家后敲门,而不是伸手去摸那冰冷的钥匙。(完成译句)
Happiness is to come home and ______ ______ the door rather than reach out for
the cold key .
The concert began about 20 minutes ago. You are late. (改为同义句)
The concert has ______ ______ for about 20 minutes. You are late.
Those black trousers are nine dollars. (对划线部分提问)
______ ______ are those black trousers ?
John went skating with his brother last Sunday morning .(改为否定句)
John ______ ______ skating with his brother last Sunday morning.