Used masks are a big problem for Earth. Luckily, Australian scientists have a way... masks. This stops waste.Used masks are a big problem for Earth. Luckily, Australian scientists have ……

help end this problem.Food waste is a big problem around the world. However, by simply doing small...  LI MIN / CHINA DAILYLI MIN / CHINA DAILY减少食物浪费，让世界更美好减少食物浪费，让世界更美好Food waste is a big ……

When you start school, one thing that may annoy you is how much your textbooks can cost. For many US college students, it’s a big problem. Many of them skip meals to save money to buy course ……

透明口罩帮助听障人士辨别面部表情透明口罩帮助听障人士辨别面部表情  Wearing a mask is not a big problem for most of us... is not a big problem for most of us. But for people with hearing problems, wearing masks makes it hard for them ……

the princess out. But the road to the castle is really a big maze. He meets a big problem. Can you help him ……

and music online is a big problem. From now on, people doing this can be fined (罚款) up to 100,000 yuan ……

李娜挥泪告别网坛。LI Na is a very famous tennis player in China. On Sept 21, the 32-year-old retired (退役). Li has had a lot of knee injuries (膝伤) for a long time. The injuries are a big problem so Li can ……

Traffic congestion has become a big problem for many cities around the world. Here is a list of the 10 cities that have the most severe (严重的) evening rush hour traffic:1. Bangkok, Thailand2. Mexico ……

雾霾净化塔”能给 城市带来新鲜空气吗？Smog (雾霾) is a big problem for Beijing now. But one man might help the city get.... In 36 hours it can clean the air in a place as big as a soccer field, said Roosegaarde.Now ……

. It is a big problem for Earth. Plastic everywhereThere are many plastic things in our lives. They are cheap... bottles.A big problemFor plastics, the trash can (垃圾桶) is not the last place they go in their lives ……

is a big problem for people living there.A man picked up goose barnacles (鹅颈藤壶) in Spain on Dec 18... is a big problem for people living there. ……

你见过这么大的公交车吗？TRAFFIC jams (交通堵塞) are a big problem in China. This Super Bus may be the answer. The bus is very large. It *is 40 meters long and 6 meters wide. It is like a very long classroom. It can ……

世界上双胞胎最多的中学。TEACHERS at De Aston School in Lincolnshire, UK are facing a big problem. When the new school year began, the school welcomed six new sets of twins (双胞胎). Now *there are 20 pairs of twins ……

) No, sir. Teacher: Don’t look down. Look at me.A big problemMom: George, do you like your new math ……

envelope if you have a big problem.”Three months later everything goes wrong. The manager remembers... does, and the company quickly solves the problems.Three months later there is another problem and he ……