1 正確句子
With a salary of less than $15,000 dollars a year and fewer sources of alternate income than before, Mrs. Greenman is in financial difficulty.
格林曼夫人的年薪不到1.5萬美元，替代性收入來源也比以前少，經濟困難。
2 題目
With a salary of less than $15,000 dollars a year and fewer sources of alternate income than before, Mrs. Greenman is in financial difficulty.
(A) of less than $15,000 dollars a year and fewer
(B) lower than $15,000 dollars and less
(C) lesser than $15,000 dollars and fewer
(D) fewer than $15,000 dollars and less
(E) of fewer than $15,000 dollars and of fewer
3 分析
(1) 快速查看選項，發現其中一個考點是less vs fewer的用法。基本的規則是few用於可數(countable)名詞，less用於不可數(non-countable)名詞。由於sources是可數名詞，因此sources前面需要使用few, 排除選項(B)和(D)；選項(C) 使用了lesser than, 這是不正確的慣用法，應該用less than, 排除選項(C); 在這個句子中，$15,000 dollars作為一個整體，指的是總量，因此不能使用fewer than $15,000 dollars，排除(E)。因此正確選項為(A).
(2) less 和fewer的區別：
總的來說，當我們討論金錢，距離，時間以及其它不可數名詞時，使用more/less.
Correct: I have less money than she has.
Correct: I have twenty dollars less than she has.
Correct: I have $20 less than she has.
Wrong: I have $20 fewer than she has.
Wrong: I have fewer than $20 in my pocket.
(3) 例句
[1] Although the term "low-fat" is used by nutritionists and dieticians to describe a food item that meets any of a wide variety of criteria, legally it refers to a product that is scientifically verified to contain less than three grams of fat per serving. 雖然營養學家和營養師用 "低脂 "一詞來描述符合各種標準的食品，但在法律上，它指的是經科學驗證每份食品的脂肪含量少於3克的產品。
[2] In the United States, less than $200 per capita is spent by the government each year to support arts and cultural institutions, such as the National Endowment for the Arts, although the amount in European countries is much greater. 在美國，政府每年用於支持國家藝術基金會等文化藝術機構的人均經費不到200美元，不過歐洲國家的數額要大得多。
[3] Of the 1,000 chemicals in coffee, fewer than thirty have been tested, and most of these produce cancer in laboratory rats.在咖啡中的1000種化學物質中，經過測試的不到30種，其中大部分會在實驗室大鼠身上產生癌症。
GMAT句子改錯(45)---Based on (verb-ed modifier)的正確用法
GMAT句子改錯(44)---同類事物的平行
GMAT句子改錯(43)---主謂一致 | not only ... but also
GMAT句子改錯(42)---限定性從句that和非限定性從句which
GMAT句子改錯(41)---not only ... but also 平行結構