China【小题1】（take）highly organized measures to contain the COVID-19 risks. Chinese people are always active in responding to the call of the government and university students are no exception.

A total of 416,300 university students stayed on campus during the Spring Festival holiday as the country encouraged people to stay put during the year's most important【小题2】（tradition）Chinese holiday. None of the students and teachers staying put was reported【小题3】（catch）the disease and they had an enjoyable and safe holiday.

During the holiday, universities took antivirus measures【小题4】（active）. They disinfected（消毒）important places frequently and checked all people and items entering the universities. Teachers and students were also asked to report their health conditions every day.

Meanwhile, universities managed to meet the【小题5】（student）study and leisure needs. University canteens, libraries, study rooms and sports facilities stayed open during the holiday. In Renmin University of China, the needs of the students【小题6】（meet）in a timely fashion. According to its vice-president, Hu Baijing, 1,208 students spent the holiday at the university, half of【小题7】were graduating students. The school sent them gift packages and free mobile phone data, as well【小题8】complementary meals. “【小题9】deeply touched us is that many students chose to spend the nights of Lunar New Year's Eve and the next day, usually the time for family gatherings and relaxing,【小题10】（study）in classrooms,” said Hu.

Cholera used to be one of the most feared diseases in the world. In the early 19th century, when cholera 【小题1】 (break) out in Europe, John Snow became frustrated because no one knew how to prevent or treat cholera. However, he never lost his desire to destroy cholera once and for all. Snow subscribed 【小题2】 the theory that cholera was caused by an infection from germs in food or water. He suspected that the water pump was 【小题3】 (blame). Snow began by marking on a map the exact places 【小题4】 all those who died had lived. As 【小题5】 consequence, John Snow was able to announce that the pump water carried cholera germs. 【小题6】 (according), he had the handle of the pump 【小题7】 (remove) so that it could not be used. The truth was 【小题8】 there was a link between cases of cholera and the different water companies in London. The people who drank this water were much 【小题9】 (likely) to get cholera than those who drank pure or boiled water. Fortunately, we now know how to prevent cholera, thanks to the work of John Snow. Moreover, by 【小题10】(use) maps and statistics, Snow transformed the way scientists study diseases. For this reason, Snow is considered the father of modern epidemiology.

I saw a TV news programme focusing on the worldwide spread of Aids last night. The reporter was doing a story about a small child 【小题1】 had caught HIV from his mother’s breast milk. From the child’s outward 【小题2】(appear), he looked very healthy. 【小题3】, within a year the child developed Aids, and soon died. His story was so sad that I could not keep myself from weeping.

Before last night, I 【小题4】(think) Aids was just a problem in Africa, but there are people with HIV and Aids in every country of the world. The Aids problem is also 【小题5】(worry) in China, and the country is trying 【小题6】 (prevent) its spread. The government has opened labs in a bid to monitor the disease. It also provides free drugs 【小题7】 people in need. 【小题8】 is fortunate that many new medicines have burst on the scene to help fight Aids.

Aids prevention education is very important, and I think we all have to do something to support it. If everyone in the world 【小题9】(spend) just a penny on it, we could make .【小题10】 really big difference!