题目选项分析

比较两个句子语法结构语义，选出最佳答案：

The replacement of charcoal with coal for 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.

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.

写下分析过程，便于复习“吃透”这个句子：

答对用户笔记

0人: 学员etYHUL 2023-04-28 17:38:42

D项前面一长串都是repacement的修饰，然后后面有一个average output，两个名词，还不是同位语

0人: Hannah22 2018-12-15 11:19:30

两个原因的形式是平行了，但问题是这个句子缺少表示因果的连词，run-on sentence而且意思也被改变了。A 句子重点+两原因，没那么平行但是相对better

0人: 橙文武贝 2018-04-13 13:13:43

The sentence begins with nouns and follows by a sentence, but no conjunction in the whole sentence.

题目基本信息

所属科目：语法SC
题目来源1：GWD-202

难度：难