问题
选择题
In the Persian Gulf area, oil is found in ________ and its production has been able to keep up with world demand.[ ]
A. abundant
B. abundance
C. elegance
D. efficiency
答案
答案：B
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In the Persian Gulf area, oil is found in ________ and its production has been able to keep up with world demand.[ ]
A. abundant
B. abundance
C. elegance
D. efficiency
答案：B
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