1 . He man Bekele was not atypical high school student._________spending his free time playing videogames, this 14-year-old was conducting experiments. His goal was to create a_________that could treat skin cancer, and make it affordable for everyone who_________it.

Growing up in Ethiopia, Africa, He man_________saw people getting sunburned by the hot sun working outside. He didn’t_________much of it when he was really little, but a she_________he realized how serious skin cancer really was.

Skin cancer does have cures and it is_______in most cases. However, the average_______of skin cancer treatment is almost $40, 000. When hearing the shocking_________, He man planned to create a more__________and accessible solution. He started doing experiments and working on different things, which turned into his bar of soap as a project.

His__________won him the prize in this year’s 3M Young Scientist’s Challenge, a competition that__________kids to think of unique ways to solve everyday problems. He man was so surprised and__________when he first heard the news of his award. “It’s__________to see that my ideas can be __________and seen by the science community,” he said.

Swimmers enjoy cold swims

Many people enjoy swimming in icy cold water. An open-air swimming pool,     1     (know) as a lido, in Bedfordshire, England, proved very popular this winter. The Woburn Lido is usually open from May to September,     2     this year it stayed open to swimmers throughout the autumn and winter months too.

Until the lockdown for England was announced on 4 January, outdoor pools were allowed to remain open. “Demand has taken us by surprise,” said Murray Heining, a volunteer at the Woburn Lido. Over Christmas and New Year, the lido had to offer extra openings to keep up with the demand from     3     (swimmer).

Cold-water swimming has grown in popularity in the UK over the past few years. A survey found that 7.5 million people in England had swum in outdoor pools, as well as lakes, rivers and the sea, in 2018. In some areas, such as the river Wharfe in Yorkshire, this new trend has made environmental groups think more about     4     the water is cleared of pollution and clean enough for bathers.

Some people make it a regular practice;     5     just enjoy a refreshing dip on Christmas Day, Boxing Day or New Year’s Day. Every year around the UK, people     6     (photograph) plunging into icy water, often in fancy dress, and the recent festive period was no exception,     7     freezing temperatures.

The Outdoor Swimming Society classifies temperatures below 6℃ as “Baltic” and from 6-11℃ as “freezing”. They advise people     8     (get) in the water gradually, so as not to shock the body. Likewise, they recommend warming up gradually, and not     9     (rush) the process by leaping into a hot bath when you get out. Instead, they suggest layering up and drinking something warm.

It wasn’t just the water that was cold—many people experienced a white Christmas; snow fell in several counties including Yorkshire and Suffolk. Paul Davies, the UK Met Office’s chief meteorologist (气象学家), a scientist     10     job is to study the weather, said the forecast indicates “the likelihood of the cold conditions experienced recently continuing through January”.

5 . Dr. Joseph Dituri also known as “Dr. Deep Sea”, has just finished an amazing adventure. For 100 days, the University of South Florida teacher lived in a small room underwater. He set a new world record, beating the old record of 73 days.

The farther you go below the ocean’s surface the greater the pressure. Dr. Dituri wanted to learn how this pressure would affect the human body over time. In his undersea room. Dr. Dituri was living with pressure that was about 66% greater than the pressure on the surface. Dr. Dituri believes that high pressure could help people live longer and stay healthier as they get older. It could also help doctors treat different medical problems, including brain injuries.

While he was living underwater, Dr. Dituri stayed busy. He often exercised in the morning. He kept teaching his college classes online, and he had chats with over 5,500 students from 15 different countries on social media. Dr. Dituri worked with other marine experts to figure out ways to protect and take care of the ocean. He said what he missed the most when he was underwater was sunshine.

Dr. Dituri was smiling when he returned to the surface. Doctors quickly checked him out to make sure he was OK. Actually, Dr. Dituri went through several big changes. For one thing, he became half an inch (1.3 centimeters) shorter during his time in the higher pressure undersea. He was also able to sleep much better. His health greatly improved in a couple of other ways, too.

Dr. Dituri said his favorite part of the project was talking with young people. “Who knows?” he said, “Maybe one day, one of them will come back and break the record we just set.”