精華區beta GMAT 關於我們 聯絡資訊
Over the course of the eighteenth century, the average output of ironwork tripled as a result of several improvements in blowing machinery and because coal replaced charcoal as the fuel used in the smelting of iron ore. C) With charcoal's being replaced by coal as the fuel used in the smelting of iron ore and several improvements in blowing machinery , the average output of ironwork tripled over the eighteenth century. 想請問各位大大這題 這題真的想了很久不太清楚為啥答案是C 唯一覺得A有可能不會對的原因只有 not parrall (as a result........and because) C的 With charcoal's being也很詭異 thanks -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 219.84.59.127 ※ 編輯: life2002 來自: 219.84.59.127 (09/25 18:48)