(单选题)12: In the Persian Gulf area, oil is found in () and its production has been able to keep up with world demand.
A: elaboration
B: abundance
C: elegance
D: efficiency
(责任编辑:admin) |
(单选题)12: In the Persian Gulf area, oil is found in () and its production has been able to keep up with world demand.
A: elaboration
B: abundance
C: elegance
D: efficiency
(责任编辑:admin) |