Question

把方框内的数量词填入短文内

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.

1._________

2._________

3._________

4._________

5._________

6._________

7._________

8._________

9._________

10._________

Answer 1

答案：
解析：

(1)June 15th　(2)forty kilometers　(3)hundreds of　(4)millions of　(5)80,000　(6)twenty per cent　(7)a fourth time　(8)three　(9)20 minutes　(10)thousands of 提示：