单项选择题

According to the passage, the earth in its very early period was（）

A．in molten state
B．in water state
C．in rock state
D．a vast ocean

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热门试题

单项选择题

From the first paragraph, we learn that （）.

A．the number of prisoners in America is increasing
B．America has the largest prison in the world
C．crime in America is getting much more serious
D．it is easy for a person to be locked up in America

填空题

A．load B．broad C．float D．road