题目选项分析

比较两个句子语法结构语义，选出最佳答案：

Estimating the expansion rate of the universe is a notoriously difficult problem because there is no single yardstick by which all distances can be measured.

Because there is a lack of a single yardstick to measure all distances by, estimating the expansion rate of the universe is a notoriously difficult problem.

写下分析过程，便于复习“吃透”这个句子：

答对用户笔记

2人: Goku成吉 2018-08-25 16:37:36

a lack of和no相比wordy
by后by what并不清晰

1人: eagle0094 2019-09-08 16:24:48

1. a lack of is wordy
2. by不能在句尾。

0人: 学员brRxH9 2023-06-07 17:28:25

a lack of多余
by位置不对

0人: 四战740 2020-11-15 23:47:34

by画蛇添足使because的句子结构错误

0人: 万一就780了呢 2020-11-13 10:19:35

by单独放句尾不优

0人: zhaoqizhao 2019-12-07 14:01:24

原文侧重点是:估算扩张率很难+难的原因是什么.
C选项 there is a lack of 太wordy, by放在最后有点尴尬,离得太远

0人: kkkNkkk 2019-12-01 10:08:26

a lack of多余
by位置不对

0人: MoHelen 2019-11-20 16:22:31

a lack of a single is wordy
the placement of the preposition "by" at the end of "all distances by" is unnecessarily akward, in that is separates "by" from the noun that it is meant to govern.

0人: 小丁今天刷雅思了 2019-11-20 15:46:51

by不能在句尾

0人: kmf1228464nhgxsh 2019-07-27 10:48:07

a lack of－ wordy 不如no
to estimate 表目的，没有必要。
estimating表述一件事，动作， better

题目基本信息

所属科目：语法SC
题目来源1：OG19-691
题目来源2：OG20-782
题目来源3：OG2022-851

难度：难