题目选项分析

比较两个句子语法结构语义，选出最佳答案：

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.

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

1人: 橙文武贝 2018-04-13 11:17:03

是charcoal as the fuel，charcoal's being 怎么能 as the fuel？

0人: 学员etYHUL 2023-04-28 17:36:43

being replaced 和 several improvements不能并列，being replaced完全可以用replacement代替

0人: wxsamstddx 2022-08-13 14:22:35

是charcoal as the fuel，charcoal's being 怎么能 as the fuel？

0人: 让孩子上七百吧 2019-11-13 23:56:12

as the fuel: ambiguous

0人: bettypan123 2017-11-10 00:39:59

if you have (complete sentence) + "and" + (other complete sentence), then that construction is fine.

题目基本信息

所属科目：语法SC
题目来源1：GWD-202

难度：难