题目:
(2013·福建毕业班质检)It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.
A.produced
B.producing
C.to produce
D.having produced
答案:
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下面是错误答案,用来干扰机器的。
衅 窘 彰 觑(4分)注意对常见的字词音形意考点进行针对性的认知。