Unit 1-5 课文单句语法填空-2022-2023学年高中英语人教版（2019）选择性必修第二册

选择性必修二课文单句语法填空 Unit 1 1. Cholera used to be one of the most feared __________ (disease) in the world,until a British doctor, John Snow, showed how it could be overcome. 2. In the early 19th century, when __________ outbreak of cholera hit Europe, millions of people died __________ the disease. 3. As a young doctor, John Snow became __________ (frustrate) because no one knew how to prevent or treat cholera. 4. However, he never lost his desire __________ (destroy) cholera once and for all. 5. In general, doctors in those days had two __________ (contradiction) theories to explain how cholera spread. 6. One theory was __________ bad air caused the disease. 7. Another was that cholera was caused by an __________ (infectious) from germs in food or water.  8. __________ (consequent), when an outbreak of cholera hit London in 1854, Snow began to investigate. 9. He discovered that in two particular streets the cholera outbreak was so severe  ______  more than 500 people died in ten days. 10. He was __________ (determination) to find out why. 11. Snow began by marking on a map the exact places __________ all those who died had lived. 12. Snow __________ (suspect) that the water pump was to blame.  13. __________ seemed that the woman liked the water from the pump so much that she had it delivered to her house every day.  14. As a result of this __________ (evident), John Snow was able to announce that the pump water carried cholera germs. 15. Accordingly, he had the handle of the pump __________ (remove) so that it could not be used. 16. Through this __________ (intervene), the disease was stopped in its tracks. 17. The truth was that the water __________ the Broad Street pump __________ (infect) by waste. 18. Moreover, Snow was later able to show a link __________ other cases of cholera and the different water companies in London. 19. Some companies sold water from the River Thames __________ (pollute) by raw waste. 20. The people who drank this water were much