美國夏威夷火山爆發

　　8月24日CNN聽力：美國夏威夷火山暴發 熔巖吞噬途徑

　　Officials have actually had months to prepare forit,but they admit now that it's here,it's a wholedifferent emotional chapter.

　　The day residents have been fearing is finallyhear:the town of Pahoa is burning.

　　A 2,000 degree river of molten lava that's beenapproaching for months is now searing the town.

　　And it's just the beginning.

　　Overnight,the first official evacuation notices went out.

　　Face to face,knock on the door by a public safety official.

　　The lava is moving at about 30 feet an hour,and at its current speed it will cut the town's mainstreet in less than two days.

　　In a helicopter,I could follow the trail of destruction from the slopes of the Kilauea Volcano tothe edge of town.

　　There it is.That's the lava field. And most of this lava is moving underground.

　　You can see how it's transformed the landscape.

　　It just wipes off the vegetation.

　　On its way,the lava invaded a local cemetery surrounding the white tombstones.

　　Theirs is nothing that can be done.

　　In other words,if you're thinking,why don't they divert it of why they don't try to dig achannel to go around the town?

　　Hawaii has tried all that in the past.

　　It's never been effective.

　　On the ground crews raced to construct new roads around the lava to keep an evacuationroute open,and businesses connected to the nearby city of Hilo.

　　Hopefully,we'll be able to always stay open,hopefully Pahoa will still be viable.

　　Even as the danger creeps ever closer,some residents say they will stay.If only to watch theirhomes burn.

　　When the lava flow comes through their subdivision or through their area,there will be anopportunity for them to remain on site provided it's safe to do so.

　　Time for a shoutout.

　　What is the biggest factor in the price of gasoline?

　　If you think you know it,shout it out.

　　Is it the cost of crude oil,taxes,refining and profits or distribution?

　　You've got three seconds,go.

　　When you buy a gallon of gas,the cost of crude oil is by far the biggest factor in what youpay.

　　That's your answer and that's your shoutout.

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