Teenage life is full of adventures and challenges. Doing voluntary work is popular among some teenagers. And extra-curricular activities     1     (prefer) by others, such as organizing debates, studying literature, dancing ballet and cleaning up the greenhouses. But more people sign up for advanced     2     (course) out of curiosity.     3     (actual), some teenagers feel confused in their youth, and their behaviors are sometimes confusing. They think there is a generation gap between     4     (they) and adults, so experts are trying to find a suitable solution. Johnson is     5     outgoing freshman. He is so attracted to Chinese literature that he     6     (give) up his studies in Chicago and come to China since he was 10 years old. Obviously,     7     the help of his teacher, his Chinese has improved greatly and he can speak fluent Chinese on campus now. As scheduled, he will graduate from the school     8     he has stayed for a long time next year. What he is concentrating on is the ancient Chinese literature and he is     9     (interest) in Tang poetry. The topic of his research content is “the differences between Eastern and Western literature”. An editor that acts responsibly has advised him     10     (read) some classical Chinese literature first. This suggestion means a lot to him.

Environmentalists are getting more     1     (worry) about the effects of fast fashion on the environment. Fast fashion is the mass     2     (produce) of clothes at a low cost. They are put in shops and online quickly     3     (create) a high demand. Factories make 100 billion items of clothing every year. The fast fashion business model is having     4     bad effect on the environment. Many of the clothes end up in landfills and are not recycled. Another bad effect on the environment     5     (cause) by the chemicals used to make the clothes. These cause health problems for people     6     (work) in clothes factories. The way people buy clothes is adding to the problem of clothing waste. Many years ago, people went to stores and tried clothes     7    . People took more time and thought more     8     (careful) before they bought clothes. They also wore them for longer. Today, people order cheap clothes on the Internet and if they don’t like     9     (they), they throw them away. Every year in Europe, four million tons of clothing ends up in the trash, less than one percent of     10     is recycled.

A unique exhibition of paintings opened at the Shanghai Mental Health Center on Thursday—all the 49 paintings are created by three hospitalized artists with schizophrenia (精神分裂).

With the theme of “loud hailer”, the exhibition offers people with the mental disorder a chance to express themselves artistically and allows their voice     1    (hear) by the public, officials from the center said. This can arouse     2    (aware) and promote better understanding and support for people with mental diseases, they added.

“Loud hailer means two-way communication. These paintings are created by patients     3    have been hospitalized for a long time. They live in a     4    (relative) closed environment. So we want to use this exhibition to achieve communication between these hospitalized artists     5    the audience,” said Chen Mengyuan, the curator.

Dr Xie Bin from the Shanghai Mental Health Center said the exhibition also aims to remove the stigma (污名) attached       6     people with schizophrenia.

“We hope more people with mental disease will become     7    (scholar), artists and even great scientists like John Nash through medical treatment and a good     8    (society) environment.”

Nash was an American mathematician who     9    (award) the 1994 Nobel Prize for Economics and whose life as     10    schizophrenia patient was described in the movie A Beautiful Mind, based on his book of the same name.

With the rapid development of third-party mobile payment tools,     1    increasing number of consumers across China are using cashless payment methods.

Transactions(交易)    2    (involve) third-party mobile payments rose by 39. 1 percent in the first quarter of 2021 compared     3     the previous quarter to 74 trillion yuan. Although China has the most third-party payment accounts in the world, it is not the first country     4    (seek) a cashless society. Developed states like Sweden, Denmark and Singapore are also witnessing that increase.

However, the rapid development of cashless payments does not mean there are no challenges and criticisms. Alibaba’s Hema Fresh Store,     5     customers can shop, dine and order goods for delivery from their mobile phones via Alipay,     6    (come) into the spotlight recently. Media reports say that consumers can’t purchase goods with cash there, which would be considered     7    (legal).

Alipay and WeChat Pay, the nation’s two major third-party mobile payment tools, have also launched     8    (campaign) to encourage more merchants and customers to use cashless payment methods, which has caused concerns over     9     cash will soon disappear.

However, experts believe that a cashless society does not mean that cash will     10    (complete) disappear. As the economy grows, the circulation of cash is still very huge. In the long term, various payment methods will be used by consumers, and merchants should respect consumers’ payment habits.

Everyone needs to know how to prevent a fire. It is also important to know what to do when it     1    （break）out .

Every year, over 11, 000 people     2    （kill）or injured in house fires. These fires could have been avoided. Smokers who are     3    （care）cause about 200 deaths and over 6,000 fires. More than half of those     4     die in fires are poisoned or harmed by smoke.

If fire happens, do not attempt to fight the fire unless it is small. Try putting out a small fire with water. If     5     fire has spread or if the flames are more than 20 inches high, shut the door on it. Warn everyone else in the building and tell them to get out. You should leave and dial 119for the fire department.

Before     6    （go）into a room, check the door. If the handle or the door is hot, do not open it! Instead, put clothing or a wet towel at the bottom of it to keep smoke out. If the door is not hot, open it     7    （slow）. If there’s a rush of smoke or heat, close it again and shout to warn     8    （other）in side.

Now open the window and shout “Fire!”. See whether you can drop safely to the ground. Use this     9     your escape course if you can. If you are not on ground level, break your fall by pushing a mat out first. Lower yourself at arm’s     10    （long）before dropping. Once outside, stay outside and make sure the fire department is called.

The total number of cases in Italy, the European country hardest    1    （hit） by the virus in Europe, rose to 10,149 from a previous 9, 172,    2    increase of 10.7％, according to the Civil Protection Agency on Tuesday.

Italy will expand the lockdown of the Lombardy region to the    3    （entirely）country, Prime Minister Giuseppe Conte said Monday as Italy’s case count surged,    4    （make）it the country with the most COVID-19 cases outside of China.

People throughout the country of 60 million should not travel other than for work or emergencies. Conte said. He added that all public gatherings    5    （ban）and sporting events suspended. The decision was made    6    （protect）the most vulnerable people in the country, he said,    7    the measures will take effect Tuesday

“The right decision today is to stay at home.” Conte said. “Our future and the future of Italy is in our hands. These hands have to be more responsible today    8    ever before.”

China will overcome    9    （difficult）and provide Italy with medical supplies including face masks and increase exports of supplies and equipment to meet its urgent needs, State Councilor and Foreign Minister Wang Yi    10    （say） on Tuesday.

Up to 82 percent of children with healthy mothers are not easy to be obese（肥胖的）, according to research. A mother,     1     has a healthy weight, exercises regularly, eats a healthy diet, doesn’t smoke and only     2    (drink) wine in moderation, is significantly less likely     3    (have)a fat child, scientists say.

And research suggests it could be more to do with nurture(养育)    4     nature, as a mother's lifestyle appears     5    (direct) linked to the health of her child. When both mother and child follow a healthy lifestyle, the risk of obesity     6    (reduce)even more, the study of more than 24,000 children found.

The study examined the medical history and lifestyles of more than 24,000 children aged nine     7     fourteen, born to almost 17,000 women in the US. Researchers looked at the link between overall mother health and likelihood of a child     8    (be) obese.

The mother's health was judged on her height-to-weight ratio(比例), her diet, amount of physical     9    (active), smoking status and how much alcohol she drank. A healthy weight and diet, regular exercise, no smoking and moderate drinking all reduce the chance of a woman having     10     obese child.

9 . Beijing was once a city of bikes, known as the Bicycle Kingdom,     1     cars were reserved for official business and the politically powerful. However, decades of economic     2     (grow) led to a huge flowing of cars in the city. Owning one became not just a marker of reaching the middle class but also a requirement for marriage. As the economy developed, autos pushed bikes off the roads,     3     (create) heavy pollution and miserable traffic.

    4     (fortunate), now Beijing may be returning to its roots. Thanks to about 20 technology companies, brightly colored shared bikes     5     (flood) into Beijing in the last two years. Many local residents welcome the shared bikes     6     the flexibility and freedom they offer. They pick up the bikes and then ride and drop     7     off anywhere they like, locking the back wheel, with no need to find a fixed place.

Analyses in China say it is three factors that contribute to bikes     8     (increase) rapidly: a lot of cash looking for a home, a good idea and government support. “As the city’s population grew, traffic jams got     9     (bad).” Cai, the Ofo spokeswoman, said, “Shared bikes could solve the ‘last mile’ problem in     10     environmentally friendly way.”