It is said that sixty percent of all energy ________ in the world today is bein - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

It is said that sixty percent of all energy ________ in the world today is being lost as wasted heat.

A．produced	B．producing
C．to produce	D．having produced

答案

解析

A 考察非谓语动词。据说现在世界上生成的所有能源的百分之60都是以废热的形式浪费掉了，produce和句子谓语is之间满意连词，故使用非谓语形式。Produce和逻辑主语energy之间逻辑上构成被动关系。用过去分词做后置定语。故A正确。

核心考点

试题【 It is said that sixty percent of all energy ________ in the world today is bein】；主要考察你对现在分词等知识点的理解。[详细]

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