题目列表(包括答案和解析)
For well over a thousand years，smallpox was a disease that everyone feared．The disease killed much of the native population in South America when the Spanish arrived there in the early sixteenth century．By the end of the eighteenth century，smallpox was responsible for about one in
ten deaths around the world．Those who survived the disease were left with ugly scars on their sjun．
It had long been well known among farmers that people who worked with cows seldom caught smallpox；instead，they often caught a similar but much milder disease called cowpox (牛痘) ．A Bridsh doctor called Jenner was extremely interested in this，and so he studied cowpox He believed that，by vaccinating (给接种疫苗) people with the disease，he could protect them against the much worse disease smallpox．In 1796，he vaccinated a boy with cowpox and，two months later，with smallpox．The boy did not get smallpox．In the next two years，Jenner vaccinated several children in the same way，and none of them got the disease．
News of the success of Jenner’s work soon spread．Vaccination soon became a common method to protect people against other diseases caused by virus，such as rable (狂犬病)，and vaccines (疫苗) were sent across the world to the United States and India．
It took nearly two centuries to achieve Jenner’s dream of getting free of smallpox from the whole world．In 1967，the world Health Organization (WHO) started a great vaccination program，and the last known case of smallpox was recorded in Somalia in 1977．The story of vaccinations does not end there，however．There are many other diseases that kill more and more people every year．Besides，many new diseases are being discovered．The challenge for medical researchers will，therefore，probably continue for several more centuries
【小题1】Smallpox was so serious that by the end of l8th century
| A．its death rate was up to ten percent |
| B．those who caught it were certain to die |
| C．one in ten people in the world died of smallpox |
| D．one in ten deaths in the world was caused by smallpox |
| A．make smallpox much milder |
| B．stop people from getting smallpox |
| C．protect people against any disease |
| D．prevent people’s scars after smallpox |
| A．The first experiment with cowpox was made by a British doctor |
| B．After 1977 smallpox disappeared around the world according to WHO． |
| C．Vaccination had existed among ordinary farmers before being discovered |
| D．Vaccination can be used to protect people in the world against not only smallpox |
| A．vaccinations bring many new problems |
| B．vaccinations end the spread of diseases |
| C．there is a long way to go to fight against diseases |
| D．there is along way to go to discover new diseases |
It was the summer of 1965. Deluca, then 17, visited Peter Buck, a family friend. Buck
asked DeLuca about his plans for the future. "I' m going to college, but I need a way to
pay for it," DeLuca recalls saying. "Buck said, 'You should open a sandwich shop. '"
That afternoon, they agreed to be partners. And they set a goal: to open 32 stores in
ten years. After doing some research, Buck wrote a check for $ 1,000. DeLuca rented
a storefront (店面) in Connecticut, and when they couldn't cover their start-up costs,
Buck kicked in another $ 1,000.
But business didn't go smoothly as they expected. DeLuca says, "After six months, we
were doing poorly, but we didn't know how badly, because we didn't have any financial
controls." All he and Buck knew was that their sales were lower than their costs.
Deluca was managing the store and going to the University of Bridgeport at the same
time. Buck was working at his day job as a nuclear physicist in New York. They'd meet
Monday evenings and brainstorm ideas for keeping the business running. "We convinced
ourselves to open a second store. We figured we could tell the public, 'We are so
successful, we are opening a second store.' "And they did--in the spring of 1966. Still,
it was a lot of learning by trial and error.
But the partners' learn-as-you-go approach turned out to be their greatest strength.
Every Friday, DeLuca would drive around and hand - deliver the checks to pay their
suppliers."It probably took me two and a half hours and it wasn't necessary, but as a
result, the suppliers got to know me very well, and the personal relationships
established really helped out." DeLuca says.
And having a goal was also important. "There are so many problems that can get you
down. You just have to keep working toward your goal," DeLuca adds.
DeLuca ended up founding Subway Sandwich, the multimillion -dollar restaurant chain.
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