UNR is a very engine―it recharges its own battery while it's running. A. flexible B. ——青夏教育精英家教网—

题目内容

19、UNR is a very _______ engine―it recharges its own battery while it's running.

A. flexible B. permanent C. dehcate D. efficient

试题答案

19、D

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UNR is a very _______ engine―it recharges its own battery while it's running.

A. flexible B. permanent C. dehcate D. efficient

UNR is a very ________ engine –– it recharges its own battery while it’s running.

A．flexible B．permanent C．delicate D．efficient

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