Itissaidthatsixtypercentofallenergy
來源:國語幫 6.78K
問題詳情:
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
【回答】
解析: 考查非謂語動詞。句意:據説現在世界上生產的60%的能源正在以廢熱的形式流失。分析句子成分可知,produce與其邏輯主語energy之間是動賓關係,故此處用動詞的ed形式作定語。
*: A
知識點:非謂語動詞
題型:選擇題