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【单选题】
Even if a few more giant oil fields are discovered, they will make little difference against consumption on today’s scale. Oil and gas will have to come increasingly, for most countries, from deeper in the earth and from imports whose __________ cannot be guaranteed.
A.
volume and value
B.
quantity and quality
C.
reliability and affordability
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Unlike you here, we have condensed 2 centuries of industrialization into only 30 years.
A.
considered
B.
squeezed
C.
compressed
【单选题】One can’t underscore enough the importance of having such transparency as it is placing great pressure from the people on those who are not meeting the target.
A.
underline
B.
underestimate
C.
emphasize
【单选题】And that is achieved by demolishing many of the high-polluting and inefficient power plants.
A.
polishing
B.
destroying
C.
knocking down