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Spanish explorers called them Las Encantadas, the Enchanted Isles, and Charles Darwin used  his  studies  of the  islands  as  the  foundation  for  his  theory  of natural  selection.  The Galapagos  are  among  the  world's  most  important  scientific  treasures,  a  group  of volcanic islands  surrounded by  deserted beaches  and  inhabited by unique varieties  of giant tortoise,lizards, and birds.
Yet life on this United Nations world heritage site has turned sour. Battles have broken out between fishermen and conservationists. Ecuador, which owns the islands, has sent a naval
patrol to put down disturbances.
The controversial director of the Galapagos National Park—which controls 97 percent of Galapagos land and the reserve extending to 40 miles offshore—has been fired, while an air of uneasy tension hangs over the islands, as the islanders prepare for election when they pick their
representatives in Ecuador's national assembly.
"It's a very tense situation," said Leonor Stjepic, director of the London-based Galapagos Conservation Trust, which raises money to help projects on the islands."We are watching it
with  concern."
The violence has been triggered by an alarming growth in the islands' population. Puerto Ayora, on Santa Cruz island, housed just 45 inhabitants in the 50s. Today there are more than 10,000, while the islands' total population is more than  19, 000 and growing by 6 percent a year, despite recently introduced a law to limit waves of immigrants fleeing the poor areas of Ecuador for a life "in paradise". On top of this, more than  100,000 tourists visit the islands
every year.
Such   numbers   have   put   the   islands,   special   ecology   under   intense   pressure. Conservationists backed by the Ecuador government, have replied by exercising strict controls to protect the islands, iguanas, blue-footed boobies, and giant tortoises.
These moves have angered many local people, however. They want to exploit the islands' waters and catch its protected species of sharks, lobsters and sea cucumbers, which can fetch
high prices in Japan and South Korea.
Angry  fishermen  surrounded  the  Charles  Darwin  research  station  on  Santa  Cruz  lastFebruary, threatened to kill Lonesome George—the last surviving member of the Pinta Island
species of the Galapagos giant tortoise.
The situation got improved after the Ecuador government made concessions by increasing fishing  quotas,  which  angered  conservationists."It  is  tragic,  the  short-term  gain  of a  few  fishermen  versus  the  long-term  survival  of the  Galapagos,"  said  John  McCosker  of the California Academy of Sciences."They are killing the golden goose."
Then,  the  Ecuador  government  appointed  Fausto  Cepeda  as  the  national  park's  new director, a post that has become a political football for the mainland government. There have
been nine directors in the past 18 months.
This appointment was particularly controversial, however. Cepeda was known to have  close ties with the fishing industry, and the rangers, who run the national park and reserve,rebelled.
More  than  300  staged  a  sit-in  at  the park's headquarters  and prevented  Cepeda  from taking  up  his  post.  A  battle  broke  out,  and  at  least  two  people  suffered  serious  injuries. Eventually,  Cepeda—with the  fishermen's help—entered the park."I  am  in  office,  I  am  in control. And I am trying to lower the tension," he announced.
The Ecuador government took no chances, and sent a patrol boat to maintain the peace.A few  days  later.  Ecuador  Environment  Minister  Fabian  Valdivicso  met  representatives  of rangers. After discussions, he told newspapers that he had decided to remove Cepeda from the post.
However, as the population continues to rise, the long-term pressures on the islands are
serious and will not disappear that easily.
"We have to balance its special environment with the needs of local people. In that sense, it is a microcosm for all the other threatened parts of the world. So getting it right here is going
to be a very, very important trick to pull off," said Stjepic.
71.What does the underlined word "this" in Paragraph 5 refer to?
A. The island's swelling population.         B. The law to limit waves of immigrants.
C.A life in paradise.                         D.The tourists' visiting the islands every year.
72.How significant were the islands for Charles Darwin?
A.He based his theory on his studies there.
B.He built the Charles Darwin research center there.
C. He advocated the balance between ecology and people there.
D.He found the last surviving giant tortoise there.
73.  What  is  the  primary  contributing  factor  to  the  conflict  between  conservationists  and fishermen?
A.The dismissal of the previous director of the Galapagos National Park.
B.The exploitation of the islands.
C. The government's support of Galapagos Conservation Trust.
D.Cepeda's close tie with the fishing industry.
74.We can learn from the passage that                   
A.the projects of Galapagos Conservation Trust on the islands are profitable
B. conservationists get angry when fishermen are killing a goose
C. politicians from the mainland government play football on the islands
D. the government is trying to ease the tension
75.Paragraph 13, what does the author mean by"The Ecuador government took no chances"?
A. The government did not seize opportunities.
B.The government made no compromises.
C.The government did not run risks.
D.The government shrank from responsibilities.

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