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【单选题】

A university in England is trying to use recycled oil to _____.

A.
develop hydrogen
B.
generate electricity
C.
power local transportation
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参考解析:
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举一反三

【单选题】Los Baños is hoping to promote the recycling of cooking oil into fuel by _____.

A.
implementing local ordinances
B.
planning an ad campaign
C.
providing money for new projects