Unit1 Great scientists
第一学时 Reading and Comprehension
Drew Johnson
Drew Johnson，a web designer，considers helping others his passion. He says it occurred to him one day that he should make a road trip to help the needy.
“As you travel，you can help people，and then use your knowledge and ability with technology to connect people，to motivate them to go out and serve their communities，”he said.
He began his journey last October and is documenting his experiences on a blog.“I wanted to invite people along with me，and I think some of the best ways to do that is through pictures，video and writing.”
When Nashville，Tennessee，was destroyed by flooding this year，he helped people remove ruins from their homes. He
also lent a hand to refugees，including people from Burundi in East Africa.
Today he is delivering free meals to the elderly in Maryland through a program called Meals on Wheels.
?Task 1
仔细阅读课文“John Snow Defeats ‘King Cholera’”， 然后根据课文内容选出最佳选项。
1．Why did John Snow attend Queen Victoria as her personal physician?
A．Because he was well known all over the world. B．Because he was expert at medical science. C．Because he was an old doctor.
D．Because Queen Victoria liked him very much.
2．Which of the following statements is Not true according to the text?
A．John Snow was a famous doctor.
B．John Snow finally defeated “King Cholera”． C．Cholera was a deadly disease of its day.
D．Few people died every time there was an outbreak of cholera.
3．How was “King Cholera”defeated? A．By people's not polluting the river again. B．By people's eating the diets.
C．By people's delivering the water from other places. D．By people's stopping drinking the polluted water. 4．What's the main idea of the text?
A．John Snow was a well-known doctor in London. B．The cause of cholera was polluted water.
C．The source of all drinking water supplies should be examined. D．How John Snow defeated “King Cholera”． 答案：1～4 BDDD ?Task 2
再次阅读“John Snow Defeats ‘King Cholera’”，完成下列表格。
JOHN SNOW DEFEATS “KING CHOLERA” It was a 1.________disease of its day. People didn't know its cause or its About Cholera 2.________． So many thousands of people died every time there was an outbreak. Cholera spread in a cloud of dangerous gas. Two theories Cholera was 3.________into people's bodies with their meals. As the disease spread quickly through poor 4.________of London，John Snow began to gather information. He found the outbreak was very The course of finding evidence 5.________in two particular streets. After further investigations he discovered it seemed that the water was to 6.________． When people didn't use the 7.________water, the disease slowed down，which showed that cholera was really spread by germs. John Snow suggested that the 8.________ to prevent cholera from happening 9.________of all the water supplies be examined. The water companies were 10.________not to expose to polluted water any more.
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