JohnSnowwasawell-knowndoctorinLondon—soexpert,indeed,1....

问题详情：

John Snow was a well-known doctor in London—so expert, indeed, 1. ______ he attended Queen Victoria 2. ______ her personal physician. But he became inspired when he thought about helping ordinary people 3. ______ (expose)to cholera,

4. ______ was the deadly disease of its day. Many thousands of terrified people died every time there was 5. ______ outbreak. He wanted to face the challenge and solve this problem.

After research, he marked on a map the exact places 6. ______ all the dead people had lived. This gave 7. ______ a valuable clue about the cause of the disease. Many of the deaths were near the water pump in Broad Street. 8. ______ looking into the source of the water, he found that it came from the river polluted by the dirty water from London.

9. ______ (immediate), he told the people in Broad Street to remove the handle from the pump so that it could not be used. The disease slowed down soon and finally, it 10. ______ (defeat).

【回答】

 1. that  2. as  3. exposed  4. which  5. an  6. where  7. him  8. After

9. Immediately  10. was defeated

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