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80000，twenty per cent，June 15th，three，forty kilometers，millions of，20 minutes，hundreds of，thousands of，a fourth time |
Pinatubo awoke on 1 .Hot ash and gas flowed down the hillside and ash clouds rose 2 into the atmosphere.
On the volcano's slopes, seven cubic kilometers of pulverized（成粉末状） rock now lay in drifts（漂流） 3 feet thick, totally reshaping the landscape.
One of the first dangers is falling debris（残骸） collecting on houses and causing roofs to collapse（塌陷）.In fact that was the main killer for this eruption.The eruption had come with the annual Typhoons that regularly swept the Islands.Heavy rainfall hit the hot and loosely packed volcanic debris.It was to be the start of a terror（恐怖） that would kill the people here long after the eruption stopped.
Imagine a truck delivering wet concrete（混凝土）.But expand that material to 4 cubic meters of debris-all moving at the same time-and you have a Lahar（火山泥石流）.
40 kilometers downstream from Mount Pinetubo is the town of Bacalor.Years after the eruption stopped, this town still suffers the onslaught（冲击） of Lahars.Most of its population of 5 have departed to resettlement camps.
About 6 of the population of Bacalor never left.They had been warned many times but the people remained.They seemed to be there forever.
Every year when the rains come new Lahars swamp（淹没）the town raising the land ever higher.Still people rebuild their homes.
Some of them have houses twice or even three times.And some people gave up, and others raised it 7 .
Bacalor was originally a township of twenty-one large villages.Today only 8 remain.
The broken remains of Mount Pinetubo are silent now.But its volcanic ash lay heavy on its slopes.Just 9 of heavy rain, can produce a Lahar.It is not unusual to have eighteen Typhoons a year.So Philippine scientists constantly monitor（检测） the weather on the mountain's slopes.Since the eruption, 10 Lahars have occurred, and all resulted from Typhoon rain.To reduce its damage, a huge system has now been constructed.
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2 .At twelve she left home and was in service until at twenty-seven, she married Thomas Moses, the tenant(房客) of hers. They farmed most of their lives. She had ten children, of whom five survived; her husband died in 1927.?
Grandma Moses painted a little as a child and 3 ,but only changed to oils in old age because her hands had become too stiff (僵直的) to sew and she wanted to keep busy and pass the time. Her pictures were first sold at an exhibition, 4 ，who bought everything she painted. 5 , and in 1940 she had her first exhibition in New York. Between the 1930's and her death she produced some 2,000 pictures，which were careful and lively pictures of the country life she had known, with a wonderful sense of color and form.
根据上下文进行配对并填空。
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A.Three of the pictures were shown |
a. as a hobby |
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B.She was born |
b.by a businessman |
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C.Yet she had only just begun painting |
c. in the Museum of Modern Art |
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D.which were soon noticed |
d. in her late seventies |
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E.made embroidery (刺绣) pictures |
e. on a farm in New York State |