. But in some cities, students are encouraged to take their masks off during PE classes. In the picture... Normal University. Students can hang (悬挂) their masks on the rail (横杆) before PE class ……

tend to take off their masks because they believe the stations are more likely to have cleaner air...People have developed the habit of wearing masks whenever they go outside on a smoggy day ……

to others.C. Sneeze or cough without covering our mouths and noses. D. Take off our masks.28.... Sneeze or cough without covering our mouths and noses. D. Take off our masks.29. Which ……

to others.C. Sneeze or cough without covering our mouths and noses. D. Take off our masks.28.... Sneeze or cough without covering our mouths and noses. D. Take off our masks.29. Which ……

have some new rules (规定). For example, primary and middle school students should bring their masks... other countries do to keep students safe?JapanJapanIn one Japanese primary school, students wear masks ……

are smaller than before, the Guardian reported. Each class will have no more than 15 students. This will make... than before, the Guardian reported. Each class will have no more than 15 students. This will make ……

masks correctly? Distinguish (辨别) between the inside and outside parts of your mask, as well...飞沫) and travel one to two meters in the air before falling to the ground. The droplets can ……

one to two meters in the air before falling to the ground. The droplets can be transmitted farther...飞沫) and travel one to two meters in the air before falling to the ground. The droplets can ……

are thrown in bins, garbage trucks empty the bins and take the trash to landfills (垃圾场). Next, the masks... or cut them into pieces before throwing them away. Masks used by medical workers and patients need ……

at some of them. 1 Should students wear masks at school? A new school year has started.... 1 Should students wear masks at school? Middle school students in low-risk areas (低风 ……

Each of us should take action to fight the novel coronavirus. TUCHONGEach of us should take action...飞沫) and fly one to two meters through the air before falling to the ground. Droplets travel farther when ……

take off my mask outside my room. I do everything I can, and I am not going to worry about things out..., and never take off my mask outside my room. I do everything I can, and I am not going to worry about things ……

through the air before falling to the ground. Droplets travel farther when sneezing and coughing than when speaking. Wearing masks can prevent droplets from hitting your face or mouth.vDon’t go ……

. get more exercise  D. take off our masks3. We should _____ when it’s cold outside.... take off our masks4. These questions and answers are mainly about _____.A. when the virus ……

;re wearing masks? Wouldn’t it be nice if we could put our faces on the outside of our masks... could put our faces on the outside of our masks?Binesh G Paul has solved this problem. The 38-year ……