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[Issue Essay]
试题详情
题目：
Analytical!
选项:
答案:
提问：
@徐小梅老师，徐老师您好，第4)题，我也看到了“至少2人”这个字眼，也是按照至少2人来算的。但我是这么理解的：原来男女共有12个人，先从5个女生中取2个人，保证了至少有两个女生，所以是C5^2; 接着，再让剩下的3个女生和7个男生合并，共10人，取3个人（此时不论男女都可以），是C10^3。然后合起来就是C5^2*C10^3。
解答：
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提问：
PS：讲一个租赁汽车的公司每一次购买会购买5辆新车，每次卖掉会卖掉3辆旧车，今年新增了14辆车，把每次买和每次卖都算做一次交易，问今年最少做了几次交易？
解答：
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提问：
If it took Carol 1/2 hour to cycle from his house to the library yesterday, was the distance that he cycled greater then 6 miles? ( 1mile=5,280feet)
(1) The average speed at which Carlos cycled from his house to the library yesterday was greater than 16 feet per second.
(2) The average speed at which Carlos cycled from his house to the library yesterday was less than 18 feet per second
解答：
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提问：
Of the 12 temporary employees in a certain company, 4 will be hired as permanent employees. If 5 of the 12 temporary employees are women, how many of the possible groups of 4 employees consist of 3 women and one man?
A. 22
B. 35
C. 56
D. 70
E. 105
解答：
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提问：
if x is positive, is x >3
1. (x-1)^2 >4
2. (x-2)^2 >9
解答：
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提问：
if the average of the consecutive even integers a,b, and c is less than 13a, which of the following best describes the value of a?
答案： a is positive
为什么呢？
解答：
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提问：
请看图
解答：
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提问：
The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing (the Aramaic script with it, from which was derived both northern and ) southern Indian alphabets.
A. the Aramaic script with it, from which was derived both northern and
B. the Aramaic script with it, and from which deriving both the northern and the
C. with it the Aramaic script, from which derive both the northern and the
D. with it the Aramaic script, from which derives both northern and
E. with it the Aramaic script, and deriving from it both the northern and
老师，上次答疑太卡，我后来听录音还是不太明白，题干不是说script derives from alphabets吗？ derive from 在这里改怎么理解？起源于？今晚有课，听不了答疑，麻烦老师讲解。
解答：
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提问：
还有一个圆柱的的1/2中间切，直径是12ft，高是10ft，打横放的，没有一个半球面，没有一个底面，求表面积？
另外一道机经和这个特别像，但是这个题说没有一个半球面，没有一个底面，看解析说要多加一个半圆的面积，不明白什么意思，麻烦老师讲解。
解答：
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提问：
If r and s are positive integers, can the fraction r/s be expressed as a decimal with only a finite number of nonzero digits?
1 s is a factor of 100
2 r is a factor of 100
答案是A 这种题应该什么思路？ 不太会，答案没看懂。。。谢谢
解答：
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提问：
at a certain company, a test was given to a group of men and women seeking promotions. If the average （arithmetic mean） score for the group was 80, was the average score for the women greater than 85?
1 the average score for the men was less than 75
2 the group consisted of more men than women.
OG上给的答案太难记了，有简单一些的办法看出来吗？ 单看的话觉得是E
解答：
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