单项选择题

What happened as a result of the transition from wood to coal

A．People found it harder to get a job.
B．People had to live near a source of energy.
C．A lot of wood was shipped to faraway places.
D．Industry developed and people' s living standard went up.

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热门试题

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.

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.