Britain has, for centuries, been slowly tilting with ________.
A. the North-West slowly rising and the South-East slowly sinking
B. the North-East slowly rising and the South-West slowly sinking
C. the South-East slowly rising and the South-West slowly sinking
D. the South-West slowly rising and the North-East slowly sinking
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In the 1970s oil was discovered in ________, but the revenue from oil did not create an economic for Britain.
A. the English Channel
B. the Irish Sea
C. St. George's Channel
D. the North Sea
Which often following statements is not true about British coal mining（）
A. Brition has used up almost all coal deposits
B. The demand for British coal has declined.
C. Petroleum, water power, and electric power replacing coal for many purposes.
D. The old British mines are narrow and deep, making it difficult to use machines
水的三种状态：固体，液体和气体。液体与固体的主要区别是液体容易流动，液体与气体的主要区别是液体体积不易压缩（）
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