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Nearly ________ of the surface of the earth ________ covered by water.


  1. A.
    three quarter…is
  2. B.
    three quarters…is
  3. C.
    three quarter…are
  4. D.
    three quarters…are
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  If a man in a spaceship looked down at the earth, he would see mainly water. He might think that the earth was one giant ocean with little land.

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(1)Nearly ____of the earth's surface is covered by water.

[  ]

Aseven-tenths

Bthree-tenths

Cseven-tenth

Dthree-tenth

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[  ]

Amountains

Ba ball fo gas

Cfull of coal

Dflat

 

(3)In fact, under the sea the land _________

[  ]

Ais full of mountains

Bis almost flat

Cis full of coal

Dis a ball of gas

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[  ]

Aa little salt in the sea

Bmuch salt in the sea

Clittle salt in the sea

Dno salt in the sea

(5)We can know the age of the earth by measuring ________

[  ]

Athe amount of water in the sea

Bthe amount of flat in the sea

Cthe amountofmountainsinthesea

Dthe amount of salt in the sea

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