油油 asked in 社會與文化語言 · 7 years ago

GMAT 幾題問題

以下幾題我實在是不知道為什麼? 請做過BENCHPRER的人幫我解惑!! 謝謝

1.A community college is experiencing high turnover rates among its computer science faculty members. To rectify this problem, the computer science department head has proposed to the dean that beginning next year, starting salaries for computer science instructors be increased by 10 percent to provide a more competitive pay package.

Q: Which of the following must be studied in order to evaluate the validity of the department head's plan?

B) Is the majority of turnover in the computer science department initiated by the faculty or the administration?

2.Gary Johnson, a major star in track and field, advertises a certain brand of vitamin supplements for aspiring athletes. Alan runs cross country for his university and has decided to start a fitness regimen including the vitamins to improve his event rankings.

Q. The statements above, if true, best support which of the following assertions?

A)The vitamins have been shown to improve stamina in scientific studies.

C)Alan is not satisfied with some aspects of his current athletic performance.

D)Gary Johnson used the vitamins to become a major track and field star.

3. In the week before a local election, a news company polled registered voters in the area to ask them which candidate they planned to vote for. Voters from a representative sample of genders, ages, races, and political affiliations were polled, and 53% of them said they would vote for incumbent Jana Reyes for mayor over any other candidate. Based on the poll results, the news company concluded that Reyes would win the mayoral race.

Q: Each of the following, if true, could weaken the conclusion presented above except:

D) In the past, polls given by the news organization that showed more than a 5% lead by a oarticular candidate have predicted the outcome of the race with a high degree of accuracy.

E) Due to an administrative error, Jana Reyes will be a write-in candidate on the ballot in the actual elect

Update:

1.2 提請告訴我答案跟原因

第3題我想知道為何d e 選項有weaken 的成分...

求解惑 謝謝

Update 2:

謝謝LionEnglish 詳細的回答

可是我想問問3.(E)難道沒有過度推論之嫌嗎? 文中只有寫write-in 沒有其他補充說明 要拿來weaken的話好像邏輯性還不夠?

2 Answers

Rating
  • 7 years ago
    Favorite Answer

    1. department head 的提案是加薪,題目問 「加薪留人」 的有效性,必須先研究什麼?意思就是問前提必須是什麼。 這題重點在 「留人」 以穩定人事,因為問題出在 turnover rate,加薪只是 「留人」 的解決手段,答案 (B) 的原因是,如果人員流失不出於 「自願」,而是被 administration 叫走人,那加薪沒有用,因為 faculty 沒有選擇留不留的權力,人家叫他走,他還是得走,無法解決 turnover 的問題。

    2. 答案 (C),Allan 不滿意目前表現。

    Alan runs cross country for his university and has decided to start a fitness regimen including the vitamins (in order) to improve his event rankings.

    注意這裡 Allan 要服用這個 Vitamin 的目的是 in order to improve..... 就是要改進,可見他對目前表現不滿意。

    3. (D) 不會 weaken 原結論,反而是證明。 (E) 才會 weaken。

    (D) 說過去經驗,民調贏 5% 的人就會贏,既然現在做出的民調 Jana 是 53%,對手最高只有 47%,至少贏 6%,那結論說 Jana 會贏是有根據的。

    (E) write-in candidate 表示選票沒印 Jana 名字,選民必須填 Jana 名字,才能選她,增加一份麻煩,所以無法完全讓民調時的意願顯示在選舉結果。 故而會 weaken 民調結論。

    2014-09-04 21:02:56 補充:

    任何真正的候選人如果如 (E)所言,選票上竟然沒有名字,那他選贏的機會太小了。

    write-in 是非常嚴重的一個關鍵字,這不是「憑一個字推論」,而是選舉實務上,write-in candidate 很少贏得選舉,有幾個選民會注意到除了可圈選的候選人之外,還有這個人讓你填名字? 即使印象中有這個人,誰會記清楚那人的名字,不寫錯字?

    在真正的選舉,write-in candidate 有時會發名字的貼紙,讓選民用貼的方式代替填寫,以防選民止填錯字或忘記,但誰能在選舉當天提醒選民一定要帶這個貼紙? 所以看到 write-in 就應該知道那民調的 55% 是不可能全數反應在真正開票結果了!

  • 7 years ago

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