题目列表(包括答案和解析)
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Complete the following sentences using fewest words．
What's your dream vacation?Watching wildlife in Kenya?Boating down the Amazon?Sunbathing in Malaysia?New chances are opening up all the time to explore the world．So we visit travel agents, compare packages and prices, and pay our money．
We know what our vacation costs us．But do we know what it might cost someone else?It's true that many poorer countries now depend on tourism for foreign income．Unfortunately, though, tourism often harms the local people more than it helps them．
It might cost their homes and lands．In Myanmar, 5,200 people were forced to leave their homes among the pagodas(佛塔)in Bagan so that tourists could visit the pagodas．
Tourism might also cost the local people their livelihood and dignity．Local workers often find only menial(卑微的)jobs in the tourists industry．And most of the profits do not help the local economy．Instead, profits return to the tour operators in wealthier countries．When the Maasai people in Tanzania were driven from their lands, some moved to city slums．Others now make a little money selling souvenirs or posing for photos．
Problems like these were observed more than 20 years ago．But now some non-government organizations, tour operators and local governments are working together to begin correcting them．Tourists, too, are putting on the pressure．
The result is responsible tourism, or“ethical tourism．”Ethical tourism has people at its heart．New international agreements and codes of conduct can help protect the people's lands, homes, economies and cultures．The beginnings are small, though, and the problems are complex．
But take heart．The good news is that everyone, including us, can play a part to help the local people in the places we visit．Tour operators and companies can help by making sure that local people work in good conditions and earn reasonable wages．
They can make it a point to use only locally owned hotels, restaurants and guide services．They can share profits fairly to help the local economy．And they can involve the local people in planning and managing tourism．
What can tourists do?First, we can ask tour companies to provide information about the conditions of local citizens．We can then make our choices and tell them why．And while we're abroad, we can：
★Buy local foods and products, not imported ones．
★Pay a fair price for goods and services and not bargain for the cheapest price．
★Avoid flaunting wealth．
★Ask before taking photographs of people．
They are not just part of the landscape!
Let's enjoy our vacation and make sure others do, too．
1．What's the main idea the writer intends to tell us in this passage?
________________．
2．Why does the author say vacations cost someone else in this passage?
________________．
3．It can be learned from the passage that profits go back to richer countries through ________________．
4．In which aspect can they involve the local people?
________________．
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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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