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The Arctic Ice is Thawing
Father Christmas may have to move his"workshop"from the North Pole because global warming is
thawing the ice beneath his feet and his reindeers'feet as well.His"workshop"is in dire straits.The"plat-
form"for the"workshop"is melting,said Stefan Norris of the World Wildlife Fund environmental group's
Arctic Program.
An eight-nation report by 250 scientists published recently predicted the Arctic Ocean could be ice-free
in summer by 2100 because of a build-up of heat-trapping gases in the atmosphere,mainly from burning fossil
fuels in cars or factories.The North Pole is getting more and more uninhabitable to Father Christmas.
__________(46)Young people learn that Father Christmas'"workshop"produces millions of gifts delivered
by him on a flying,reindeer-drawn sleigh.Hollywood movies like"The Polar Express"tried to make viewers
believe that Father Christmas lives at the North Pole._______(47)
The"Fortress of Solitude"is near the North Pole that could be under threat in a warmer world. Alan Boldt,
spokesman of the Danish Ministry of Science,suggested ways to rescue Father Christmas._________(48)
Another alternative,he argued,woald be building some electrical facilities to ensure the ice stays on the North
Pole for him."This should be a subject for the United Nations,"he said."Danmark could build windmills to pro-
vide Father Christmas with power."Denmark says Father Christmas'real home is Greenland,which will help,
Denmark thinks,to strengthen its position in claiming the sovereignty over the Pole.__________(49)
"Doesn't he already speak Danish?"Boldt said frostily when asked if Father Christmas would be forced
to learn Danish if Denmark won international recognition of its claim to the Pole.Last month's Arctic report
said the region is warming twice as fast as the rest of the globe,partly because dark ground or water,once un-
covered,soaks up more heat than ice or snow.Finland has been most favored by Father Christmas and it has
about 500,000 tourists a year to visit its Christmas center in Rovaniemi in Lapland._________(50)
_________(50)
A:However,Nordic nations all reject it by claiming that their countries are his home.
B:Therefore the North Pole is the most attractive place in the world.
C:If Denmark's claim were accepted internationally,it would have the legal right to search for oil and gas at the North Pole.
D:One of them would be building a giant floating ice rink for the workshop if the Pole thaws.
E:Maybe Father Christmas has already moved to Rovaniemi.
F:He may have to move from the North Pole within our children's lifetimes.

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A Special Journey
I am often asked to describe the experience of_______(51)a child with a disability一to try to help people who have not shared that unique experience to understand it,to imagine how it would feel.It's like this…
_______(52)you're going to have a baby,it's like planning a fabulous vacation trip to Italy. You buy a bunch of guide books and make your wonderful_______(53).The Coliseum,the Michelangelo,David,the gondolas in Venice.You may learn some handy phrases in Italian. It's all very exciting.
After months of eager anticipation,the day finally_______(54).You pack your bags and _______(55)you go.Several hours later,the plane lands.The_______(56)comes in and says,"Welcome to Holland."
"Holland?"you say."What do you mean by Holland?I signed up for Italy!I'm supposed to be in Italy. All my life I've dreamed_______(57)going to Italy."
But there's been a change in the flight plan.They've landed in Holland and there you must stay.
The important thing is that they haven't taken you to a horrible,disgusting,filthy place,full of pestilence,_______(58)and disease.It's just a_______(59)place.
_______(60)you must go out and buy new guide books.And you must learn a whole new language.And you will meet a whole new group of people you would never have met.
It's just a different place.It's slower-paced than Italy,less flashy than Italy. But after you've been there for a while and you catch your breath,you look around…and you begin to_______ (61)that Holland has windmills…and Holland has tulips.Holland even has Rembrandts.
But everyone you know is busy coming and going_______(62)Italy…and they're all bragging about_______(63)a wonderful time they had there. And for the rest of your life,you will say"Yes,that's where I was_______(64)to go.That's what I had planned."
But if you spend your life_______(65)the fact that you didn't get to Italy,you may never be free to enjoy the very special,the very lovely things about Holland.
_________(65)
A:remembering
B:regretting
C:memorizing
D:finding
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Earth Rocks on
Most of the time,the ground feels solid beneath our feet. That{S comforting. But it's also misleading
because there's actually a lot going on underground.Masses of land(called plates)slip,slide,and bump
against each other,slowly changing the shape of continents and oceans over millions and billions of years.
Scientists know that Earth formed about 4.5 billion years ago.They also know that our planet was hot at
first. As it cooled , its outermost layer , called the crust(地壳), eventually formed moving plates. Exactly
when this shift happened,however,is an open question.
Now,an international group of researchers has an answer. They'ye found new evidence suggesting that
Earth's crust started shifting at least 3.8 billion years ago.The new estimate is 1.3 billion years earlier than
previous ones.
Not long before 3. 8 billion years ago,lots of asteroids(小行星)were hitting Earth,keeping its crust in
a hot,melted state.After the hard crust formed,much of it sank at various times into the planet's hot in-
sides.There,it melted before returning to the surface.
In some places,however,the crust never sank.One of the oldest such places is in Greenland,in an area
called the Isua supracrustal(上地壳) belt. The rocky crust there is between 3. 7 and 3. 8 billion years old.
The belt was once part of the seafloor,but now it is exposed to air.
The researchers recently took a close look at the Isua supracrustal belt. They noticed long,parallel
cracks in the rock that have been filled in with a type of volcanic rock.
To explain this structure,the scientists propose that tension in the crust caused the seafloor to crack
open long ago. Hot , liquid rock , called magma(岩浆),flowed up slowly from deep inside Earth to fill the
cracks.Finally,the whole area cooled,forming what we see today.
That explanation,plus chemical clues inside the rock,suggests that the Isua supracrustal belt was once
part of a plate under the ocean,beginning around 3.8 billion years ago.
The shape of lands and oceans are slowly changed with the movements of plates.
A:Right
B:Wrong
C:Not mentioned
Your suitcase is rather heavy ,what have you got in it?
A:portable
B:tangible
C:weighty
D:dumb
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The Greatest Mystery of Whales
The whale is a warm-blooded,air-breathing animal,giving birth to its young alive,sucking them-and, like all mammals,originated on land.There are many______(51)of this.Its front flippers(鳍状肢), used for steering and stability,are traces of feet.
Immense strength is______(52)into the great body of the big whales,and in fact most of a wha'e'sbo衡is one gigantic muscle.The blue whale's pulling strength has been estimated______(53) 400 horsepower.One specimen was reported to have towed(拖)a whaling vessel for seven hours at the______ (54)of eight knot(节).
An angry whale will______(55).A famous example of this was the fate of Whaler Essex,______(56)was sunk off the coast of South America early in the last century.More recently,steel ships
have ___________( 57 ) their plates buckled(使弯曲)in the same way.Sperm whales(抹香鲸)were known to seize the old-time whaleboats in their jaws and crush them.
The greatest______(58)of whales is their diving ability.The sperm whale dives to the bottom for his ______(59)food,the octopus(章鱼).In that search he is known to go as far down as 3,200 feet,where the ______(60)is 1 ,400 pounds to a square inch.Doing so he will______(61)underwater as long as one hour.Two special1 skills are involved in this storing up enough______(62)(all whales are air-breathed ) and tolerating the great change in pressure.Just how he does it scientists have not______(63).It is believed that some of the oxygen is stored in a special______(64)of blood vessels,rather than just held in the lungs.And it is believed that a special kind of oil in his head is some sort of a compensating mechanism that ______(65)adjusts the internal pressure of his body.But since you can't bring a live whale into the laboratory for study,no one knows just how these things work.
65._________
A:mentally
B:artificially
C:manually
D:automatically
When I heard the noise in the next room,I couldn't resist having a peep.
A: chance
B: visit
C: try
D: look
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