[請益] 黃金閱讀 22 petroleum
看板TOEFL_iBT (TOEFL_iBT托福)作者christalner (爆炸花)時間16年前 (2010/06/04 00:08)推噓0(0推 0噓 2→)留言2則, 2人參與討論串1/2 (看更多)
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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