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 elect2 個解答語言6 年前
我想請問現在的熱水器到底有多少種類<br>太陽能熱水器 電能熱水器 瓦斯熱水器 熱蕾熱水器<br><span>到底有什麼差異跟優劣呢</span><br><span>我家有五個人 住一樓</span><br>平常非常省(洗米水 &nbsp;洗衣水會拿來沖廁所的那種)<br><span>選砸哪種熱水器最節省能源跟價錢呢</span><br><span>還有該選擇那些品牌呢??</span><br><span>問題有點多非常感謝回答!!!!</span>6 個解答維修9 年前