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 steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.

The steel industry has changed radically over the last two decades, as large, integrated companies, such as Bethlehem Steel, that once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.

写下分析过程，便于复习“吃透”这个句子：

答对用户笔记

0人: 四战740 2020-12-24 17:42:20

1.as 引导的从句双谓语没有连词 conducted have downsized

0人: 小姚要考满分 2020-12-04 06:53:47

The steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.
once conducted .....have greatly downsized...... or......
run-onas....that ...once conducted.....have greatly downsized, or....

0人: Amytanh2 2020-10-05 07:23:45

句意其实such as Bethlehem Steel是个插入语，that引导的是companies的同位语从句。如果没有that,后面句子是形容Bethlehem Steel。

题目基本信息

所属科目：语法SC
题目来源1：GWD-331

难度：难