单项选择题

Why did most early societies grow up near a sufficient supply of wood

A．Because wood was safer than coal.
B．Because wood burned longer than coal.
C．Because there was more wood than coal.
D．Because they used wood as primary source energy.

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热门试题

单项选择题

When did the first major energy transition take place

A．Before 1800.
B．During the 18th century.
C．During the early 1800s.
D．Towards the end of the 18th century.

单项选择题

What's the name of the most exciting ride according to the girl

A．Supreme Scream tower.
B．Scream Supreme tower.
C．Supreme tower.
D．Scream tower.