The author mentions all of the followings as possible products of crude oil EXCEPT _____.

1 .It can be inferred from the passage that kerosene was preferable to whale oil because whale oil was too_______.

A expensive B thick C hot D polluted

题型: 单选题 提问时间: 2021-08-22

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2 .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

题型: 单选题 提问时间: 2021-08-22

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4 .Why does the author mention the California gold rush?

A To explain the need for an increased supply of gold B To indicate the extent of United States mineral wealth C To describe the mood when oil was first discovered D To argue that gold was more valuable than oil

题型: 单选题 提问时间: 2021-08-22

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5 .In paragraph 2，John Hayes points out that

A it is good to health to eat food without salt． B many people reject low—salt food completely． C many people accept low—salt tasteless food reluctantly D food with reduced salt tastes better．

题型: 单选题 提问时间: 2021-08-22

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