OG12-sc-93关于比较结构的平行省略问题（ok）

Ivy蓝蓝蓝蓝 · 发表于 2018-3-15 21:59:00

paddy114 发表于 2017-12-4 13:50
总结一下前面楼层的。小伙伴说的这些可以省略，楼主也提到只有时态不同还有有歧义是不能省略。加上RON说这 ...

感谢解答了我时态的疑问，thx

zjj1997 · 发表于 2018-4-25 21:04:24

想请问一下，如果说“时态改变的情况下不能省略”，那开头的heating-oil的动词是are，last year是were，时态是有变化的呀，问什么还要省略呢？而且弱弱问一下RON所说的“不定式没有时态”，为什么这个句子不是看be动词，而是看不定式呢？
希望得到各位大神的指教！不胜感激！

可乐乐乐乐 · 发表于 2018-10-28 16:25:45

在复习省略，翻到旧题发表一下个人看法。
Mia大神在其关于比较和比较中的省略帖中提到，在进行状语比较时，动作是否省略并不是由时态决定，而是由比较前后是否出现时间状语决定。
例：I walk as fast now as（I walked）when I was a child.
   前后walk 与 walked时态不一致，但是都省略了，因为比较前后出现了时间——now和when I was a child
例：To develop more accurate population forecasts, demographers would have to know a great deal more than they do now about the social and economic determinants of fertility.
   其中（they do）不能省略，因为than前面没有相应的状语结构

那么回到本题，本题共有两个平行：
第一个：Heating-oil prices are expected to be higher this year than（they were）last
根据上述分析可知than前后分别有时间状语，则可省略
第二个： because refiners are paying about $5 a barrel more for crude oil than they were last year.
同理，由于than前并不存在时间状语，则they were不可以省略

以上是个人看法，欢迎讨论~
（附Mia大神总结贴https://forum.chasedream.com/thread-784791-1-1.html）

可乐乐乐乐 · 发表于 2018-10-28 16:31:02

可乐乐乐乐发表于 2018-10-28 16:25
在复习省略，翻到旧题发表一下个人看法。
Mia大神在其关于比较和比较中的省略帖中提到，在进行状语比较时， ...

TheLoneRanger · 发表于 2019-7-9 17:30:11

琳二发表于 2016-1-8 21:29
求大NN们解释，这题翻遍了都没有看到让我觉得很理解的解释，虽然看到了两个平行结构，但仍有两个问题：一、 ...

$5 a barrel相当于一个单位 $5/b more than ...

liyaz · 发表于 2019-11-27 13:08:51

【OG20-P804-858题】
Prices at the producer level are only 1.3 percent higher now than a year ago and are going down, even though floods in the Midwest and drought in the South are hurting crops and therefore raised corn and soybean prices.

OG的解析说，the first part of the sentence illogically compares prices to a time.

不懂为什么这里就不行？和A选项的区别在哪里？

GZYUK · 发表于 2019-12-7 13:17:34

Prices at the producer level are only 1.3 percent higher now than a year ago and are going down, even though floods in the Midwest and drought in the South are hurting crops and therefore raised corn and soybean prices.
A than a year ago and are going down, even though floods in the Midwest and drought in the South are hurting crops and therefore raised
B than those of a year ago and are going down, even though floods in the Midwest and drought in the South are hurting crops and therefore raising
C than a year ago and are going down, despite floods in the Midwest and drought in the South, and are hurting crops and therefore raising
D as those of a year ago and are going down, even though floods in the Midwest and drought in the South hurt crops and therefore raise
E as they were a year ago and are going down, despite floods in the Midwest and drought in the South, and are hurting crops and therefore raising

那请教下各位，为什么这题选B呢（答案是B），同样可以now直接对比a year ago呀，和题主的题目一个逻辑

GZYUK · 发表于 2019-12-7 13:27:45

学生提问： Hi instructors,

While practicing, i stumbled upon these 2 CORRECT sentences

1) Prices at the producer level are only 1.3 percent higher now than those of a year ago
2) Heating-oil prices are expected to be higher this year than last

The question is:
In the 1st sentence, "those" was required to make it clear that we are comparing the prices of this year with the prices of a year ago. Whereas in the second sentence, nothing of that sort was required after "than", and the rational behind it is that the comparison in the 2nd sentence is between this year and last year rather than being between "heating-oil prices this year" and "heating-oil prices last year". I don't understand when do we restrict the comparison to the year and when do we need to include the subject of comparison in the comparison itself ?

曼哈顿论坛老师解释：Good find! There appears to be some sort of contradiction between these sentences, and I'd say that it's a bit of a gray area. As you wrote, in the first example 'than those of' is inserted to make sure that we're comparing prices with prices. But the second example is deemed correct even though it seems to compare prices with 'last [year]'.

First of all, I'd note that this issue isn't a critical one in either of those problems. I know the problems well, and in the first there are other ways to eliminate wrong answers. In the second, the other answer choices have much cruder mistakes. When you're studying Sentence Correction, you need to train yourself to look for big issues before dealing with the smaller ones. Bigger comparison issues can be found in problems D83, SC789, and SC792.

明显，老师也无法解释错误之所在，而是让学生关注其他的更严重的问题。

阿锐冲鸭 · 发表于 2020-11-19 22:33:53

可乐乐乐乐发表于 2018-10-28 16:25
在复习省略，翻到旧题发表一下个人看法。
Mia大神在其关于比较和比较中的省略帖中提到，在进行状语比较时， ...

同意！

OG12-sc-93关于比较结构的平行省略问题（ok）

dbq我点错了，我不知道怎么删除...

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