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
It is said that sixty percent of all energy in the world today is being lost as wasted h
答案:2 悬赏:40 手机版
解决时间 2021-12-25 17:28
- 提问者网友：我没有何以琛的痴心不悔
- 2021-12-25 14:01
最佳答案
- 五星知识达人网友：思契十里
- 2021-12-25 14:55
(答案→)A. producedB. producingC. to produceD. having produced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。
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- 1楼网友：独行浪子会拥风
- 2021-12-25 16:06
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