你對沙漠的了解有多少?試著做一做這篇有關(guān)沙漠的完形填空吧!

  Many places in the world need more fresh water.Every country is trying to find   1   to turn salt water into   2   water.

  Why aren't there many   3   like the Symi Factory?

  In some places,   4   is not hot enough or it does not shine every day.

  In some places,   5   ways of heating sea water can be used.These ways   6   more money, but they work   7   than the sun.  8   boiling sea water with high heat, a lot of fresh   9   can be made quickly.

  But heating is not the only way to get fresh water from salt water.Other ways are   10  

  One way is   11  .The fresh part of the salt water freezes first.To get fresh water, the bits of ice are taken out.

  Which way is the   12  ?The one that gives the most water for the   13   money.It may be a different way for each place.

  Symi's way seems very good for small, hot places.It does not make very much water   14  .But the factory is   15   to build and costs little.

(1)

[  ]

A.

roads

B.

ways

C.

paths

D.

direction

(2)

[  ]

A.

clean

B.

dirty

C.

fresh

D.

sweet

(3)

[  ]

A.

hospital

B.

schools

C.

offices

D.

factories

(4)

[  ]

A.

the earth

B.

the sun

C.

the sky

D.

the fire

(5)

[  ]

A.

other

B.

others

C.

the other

D.

the others

(6)

[  ]

A.

cost

B.

spend

C.

pay

D.

take

(7)

[  ]

A.

slower

B.

faster

C.

slowest

D.

fastest

(8)

[  ]

A.

With

B.

Under

C.

By

D.

In

(9)

[  ]

A.

water

B.

heat

C.

sea

D.

air

(10)

[  ]

A.

done

B.

had

C.

tried

D.

sent

(11)

[  ]

A.

heating

B.

freezing

C.

developing

D.

understanding

(12)

[  ]

A.

best

B.

worst

C.

better

D.

worse

(13)

[  ]

A.

most

B.

least

C.

fewest

D.

much

(14)

[  ]

A.

at a time

B.

from time to time

C.

at times

D.

many times

(15)

[  ]

A.

interesting

B.

important

C.

easy

D.

difficult

答案:1.B;2.C;3.D;4.B;5.A;6.A;7.B;8.C;9.A;10.C;11.B;12.A;13.B;14.A;15.C;
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