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  A serious threat(威胁)to farmers in many parts of the world is erosion.Erosion occurs if a large area of land is cleared of trees and is then badly treated by the farmers.The rain and winds may gradually wash away, or blow away, much of the topsoil.When thin happens, crops of wheat or corn become weaker and weaker until nothing grows well.If erosion continues, it will turn good land into a desert.

  In the past, when erosion appeared, farmers sometimes moved to a new place to farm.Sometimes they could not move, but continued to try to grow food in the unhealthy soil.This caused them to sink into poverty.Soon some people realized that there was little rich, fertile(肥沃的)soil in the world, government began to try to stop erosion.

  One of the first experiments to stop erosion began in the United States in 1933.The experiment was carried out in the area of the Tennessee River.Floods and bad farming in this area had destroyed land that had once been rich.As a result, most of the people living around the Tennessee River were very poor.The government built big dams across the river and stored the water for use during the dry season when there was no rain.The government workers also helped farmers to fertilize their soil and to learn new farming methods which could stop erosion.

  At the beginning, the farmers were not interested.But soon, good healthy crops began to appear on the land where new methods were used.Ten years after the extremely prosperous(繁荣的)harvest, the great success of this experiment had led similar projects in the other parts of the world.

(1)

The word“erosion”in the first paragraph means ________.

[  ]

A.

the clearing of trees

B.

excessive(极度的)use of the land

C.

the destruction of crops

D.

gradual loss of topsoil

(2)

The passage tells us that erosion is a problem which ________.

[  ]

A.

first began in the United States in 1933

B.

occurs mainly in river areas

C.

affects many parts of the world

D.

is becoming more and more serious

(3)

The main purpose of this passage is to tell people ________.

[  ]

A.

how erosion occurs

B.

the serious results of erosion

C.

something can be done to prevent erosion

D.

the importance of using new farming methods

(4)

The main method used to prevent erosion was ________.

[  ]

A.

to build dams

B.

to keep the topsoil

C.

to grow healthy crops

D.

to stop farming

答案:1.D;2.C;3.C;4.A;
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  New York , May 25?   Millions of volunteers (志愿者)joined in a long chain spreading 4 125 miles across the world's richest nation Sunday and burst into songs , reaching the highest development in the Hands Across America road to raise 50 million for the nation's homeless and hungry.

  

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1.What is the main idea of the passage?

  

[  ]

     

A.Millions of volunteers support the poor.

     

B.The longest line is waiting for support.

     

C.The homeless and poor need help.

     

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[  ]

                          
  

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A.They were hand in hand.

  

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阅读理解

  New York , May 25?   Millions of volunteers (志愿者)joined in a long chain spreading 4 125 miles across the world's richest nation Sunday and burst into songs , reaching the highest development in the Hands Across America road to raise 50 million for the nation's homeless and hungry.

  

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[  ]

                          
  

A.try to lift

  

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阅读理解

ISC(HS)Reference No.S006864            New South Wales

Student Date of Birth:19/08/1988   Department of Education and Training

                     International Students Centre

Hong Xue              827-839 George Street PO Box 707

60 Waratah Street                Broadway NSW 21007

Croydon Park NSW 2133       Phone:(612)9217 4801 1300 302 456

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What's the purpose of writing this letter?

[  ]

A.

To remind the recipient of the conditions for applying for a student visa.

B.

To warn the recipient not to do anything against his student visa regulations again.

C.

To tell the recipient how to contact his student advisor.

D.

To inform the recipient of the student visa regulations.

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What can be learned about the recipient from this letter?

[  ]

A.

He is under 18 and studies in Australia with his parents.

B.

He is required to come home every night according to the rules.

C.

He can stay with his friends on weekends if permitted.

D.

His student Visa has been cancelled.

(3)

To which address should the recipient reply if he feels like answering the letter?

[  ]

A.

Hong Xue at 60 Waratah Street, Croydon Park NSW 2133.

B.

Tracey Carlon at the Department of Immigration and Multicultural and Indigenous Affairs.

C.

Hong Xue at NSW Department of Education and Training.

D.

Tracey Carlon at 827-839 George Street, PO Box 707, Broadway NSW 21007.

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阅读理解

  So far, scientists have named about 1.8 million living species(物种), and that’s just a small part of what probably exists on Earth.With so many plants, animals, fungi, and other organisms covering the planet, it can be tough to figure out what type of spider is crawling up your leg or what kind of bird just flew by.

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What is implied in the last sentence of Paragraph 1?

[  ]

A.

No one can become an expert on spiders and birds.

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So many spiders have crawled up your leg

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There are far more than 1.8 million living species.

D.

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Which of the following statements is TRUE?

[  ]

A.

You can find information of all living species online in 2017.

B.

Nonscientists will be able to add their own notes to the website.

C.

The kids preparing school reports can not have access to the informat’0 n’

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A.

Beginner.

B.

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(4)

Who are the intended readers of this passage?

[  ]

A.

Students.

B.

Researchers.

C.

Bird watchers or Gardeners.

D.

People in general

(5)

What is the best title for the passage?

[  ]

A.

Exploring Polar Bears

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Visit Our Website Now

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E-book of Life.

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阅读理解

  Once upon a time the colors of the world started to quarrel.Green said,“Clearly I am the most important.I am the sign of life and hope.I was chosen for grass, trees and leaves.Without me, all animals would   1  .”

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  Doing as they were told, the colors   18   and joined hands.They formed a colorful rainbow.From then on, whenever a good rain   19   the world, a rainbow appears in the sky.They remember to   20   one another.

(1)

[  ]

A.

stay

B.

leave

C.

go out

D.

die

(2)

[  ]

A.

earth

B.

moon

C.

star

D.

sun

(3)

[  ]

A.

That is

B.

I am

C.

It is

D.

This is

(4)

[  ]

A.

anything

B.

nothing

C.

something

D.

everything

(5)

[  ]

A.

warmth

B.

sadness

C.

depression

D.

anxiety

(6)

[  ]

A.

usual

B.

normal

C.

common

D.

scarce

(7)

[  ]

A.

at midnight

B.

at noon or at night

C.

at sunrise or sunset

D.

during the day

(8)

[  ]

A.

gift

B.

honor

C.

thought

D.

respect

(9)

[  ]

A.

for more

B.

any more

C.

very much

D.

no longer

(10)

[  ]

A.

turn to

B.

fight for

C.

struggle with

D.

bend over

(11)

[  ]

A.

superiority

B.

disadvantages

C.

inferiority

D.

weakness

(12)

[  ]

A.

gently

B.

quietly

C.

violently

D.

peacefully

(13)

[  ]

A.

with care

B.

in fear

C.

by chance

D.

on purpose

(14)

[  ]

A.

amongst

B.

by

C.

for

D.

against

(15)

[  ]

A.

others

B.

themselves

C.

the other

D.

the rest

(16)

[  ]

A.

equal and simple

B.

ordinary and similar

C.

more or less

D.

unique and different

(17)

[  ]

A.

each other

B.

me

C.

one another

D.

them

(18)

[  ]

A.

combined

B.

separated

C.

united

D.

divided

(19)

[  ]

A.

cleans

B.

washes

C.

brightens

D.

dampens

(20)

[  ]

A.

appreciate

B.

quarrel with

C.

ignore

D.

praise

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