单项选择题

Passage one Questions 26 to 28 are based on the passage you have just heard.

A．Coal industry.
B．Oil industry.
C．Timber industry.
D．Fishing industry.
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单项选择题
A．In 1849.B．In 1857.C．In 1821.D．In 1823.
A．In 1849.
B．In 1857.
C．In 1821.
D．In 1823.
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