黃金閱讀 22 petroleum - 英檢

各位大大你好

我想請教黃金閱讀 22. petroleum 的 14題

"Petroleum" is a broad term that includes both crude oil and natural gas.

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○Petroleum formation is the result of biological as well as chemical activity

○The difficulty of finding adequate sources of oil on land has resulted in

a greater number of offshore drilling sites.

○Petroleum extraction can have a negative impact on the environment.

○Petroleum tends to rise to the surface, since it is lower in density than

water.

○Current methods of petroleum extraction enable oil producers to recover

about half of the world's petroleum reserves.

○Accidents involving oil tankers occur when tankers run into shore reefs or

collide with other vessels.

答案是1.2.3

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我真的很不拿手最後一題

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