单项选择题

According to the passage, many people initially thought that E. L. Drake had made a mistake by ______.

A．going on a whaling expedition
B．moving to Pennsylvania
C．searching for oil
D．retiring from his job
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单项选择题
It can be inferred form the passage that kerosene was preferable to whale oil because whale oil was too ______.
A．expensive
B．thick
C．hot
D．polluted
单项选择题
What is the best title for the passage
A．Oil Refining: A Historical Perspective
B．The California Gold Rush: Get Rich Quickly
C．Private Property: Trespassers Will Be Prosecuted
D．Kerosene Lamps: A Light in the Tunnel
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