Jennifer Jones, 15, told friends in her class that she was feeling unwell. She then passed 【小题1】 in her morning PE lesson and 【小题2】 (rush) to hospital.

Jennifer was found to have 【小题3】 (danger) low blood sugar levels and was treated immediately. Her worried parents told the doctor that their daughter missed breakfast that day 【小题4】 hardly touched her dinner the night 【小题5】. Fortunately, she is now out of danger. Her doctor says that she will make a full recovery 【小题6】 a day or two.

Jennifer’s classmates hope to see her back at school soon.【小题7】 say that she has struggled with eating problems for a long time. “Jennifer thought that skipping meals would be a simple way 【小题8】 (reach) her target weight,” her friend Laura Williams told our reporter. “She has not eaten breakfast for the last few months. She told me she had trouble 【小题9】 (concentrate) in class. I warned her that skipping meals was 【小题10】 (health), but she wouldn’t listen.”

John Snow was a famous doctor in London—so expert, indeed, 【小题1】 he attended Queen Victoria as her personal physician. But he became inspired when he thought about helping ordinary people 【小题2】 to cholera. This was the deadly disease of its day. Neither its cause 【小题3】 its cure was understood.

Cholera used to be one of the most feared diseases in the world, until a British doctor, John Snow, showed how it could be o【小题1】. This illness causes s【小题2】diarrhea, dehydration, and even death. In the early 19th century, when an outbreak of cholera hit Europe, millions of people died from the disease. As a young doctor, John Snow became f【小题3】, because no one knew how to prevent or treat cholera. In time, he rose to become a famous doctor, and even a【小题4】to Queen Victoria when she gave birth. However, he never lost this d【小题5】to destroy cholera once and for all.

In general, doctors in those days had two c【小题6】theories to explain how cholera spread. One theory was that bad air caused the disease. Another was that cholera was caused by an i 【小题7】 from germs in food or water. Snow s 【小题8】 to the second theory. It was correct, but he still needed p【小题9】. Consequently, when an outbreak of cholera hit London in 1854, Snow began to investigate. He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. He was d【小题10】 to find out why.