1月27到2月27 jj 接力

entheticism

造福后人，多多努力。

数学讨论：标明题号，标明答案

阅读讨论：查找原文，查找翻译

作文讨论：同上

不用客套，非讨论不用留言。

[此贴子已经被作者于2009-1-29 2:08:06编辑过]

entheticism

001. DS x=y?

A: x^2+y^2 = 2xy

B: x^2+y^2 = 0

答案：D

002. (DS) median < average?

A. 不记得了

B. 55% of numbers < average.

答案：B

003. 两长方形相交，问DIFG的面积（重合部分）


不记得了，但是2个条件都是说不同线段的长度

答案： C。加辅助线，成两个直角三角形。

004．1dollar=0.8Euro    换钱后银行要收取4%手续费。换成了$1865，问用多少euro换成的?
 答案：€1554  1865=96% --> 100%= 1942.71 => $1942.71*0.8=€1554

005. 3的x次幂　减去　3的（x-3）次幂＝2106，　求Ｘ。
答案： x=7

006. f(x)=根号下(x-1)/x+1,问f(x)可以代表哪个实数集？
答案： 选greater or equal to 1.
只是开（x-1）的方


007. 一个图，问1-5年哪年变化的程度最大
答案： 选最后一个，因为变了100%

008. 利息问题：存一个数值的钱（多少忘了反正不重要），８％的利息存semiannully存一年和多少的利息整annully存一年所得到的总钱数一样。
答案： 选８．１６％（上月jj）

010. 还有居然考了ＦＥＥＴ和ＩＮＣＨ的换算，一定要知道。
1 foot = 12 inch
1 inch = 0.0833333333 feet

011.韦恩就是那个，比如，选Ａ课的人ａ人，选Ｂ课的人ｂ人，选Ｃ课的人ｃ人，选Ａ，Ｂ的ｄ人，选Ｂ，Ｃ的ｅ人，选Ａ，Ｃ的ｆ人，总共Ｔ人，求三者都选的多少那种题
012. n 是整数，n^2的factor数目是什么

1, 奇数

2，？

3，质数

答案： 奇数。

n可能为平方数，factor 数 可能是2*2+1 或者更多，终归为奇数。

    013.相似三角形，比例都告诉我啦，嗬嗬，，

    014. 一道路程，跑步的10mile/hr,走路的6mile/hr, 跑步的超过走路的10分钟后到达喷泉，走路的还要多久到？

答案：(10/60-6/60）*10/(6/60)=6.67 min 

    

    015. 园内嵌小正方形，外嵌大正方形，问半径至少？（4）

1， 小正边长大于2

2， 大正边长大于4

答案：jj主人选2

不太明白题目的意思，要是问半径至少大于或者小于4？

那么就选E

[此贴子已经被作者于2009-1-30 3:48:50编辑过]

entheticism

http://forum.chasedream.com/dispbbs.asp?boardid=22&replyid=3287415&id=369850&page=1&skin=0&Star=1

[此贴子已经被作者于2009-1-30 3:38:04编辑过]

entheticism

001.还记得一道sc,倒数几题，低分库巴，考到... let sb. do sth.  嗬嗬，初中英语

[此贴子已经被作者于2009-1-29 5:28:58编辑过]

entheticism

001  GWD-2-Q12:

Which of the following most logically completes the argument?

Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour.  Publicly
available records indicate that Yorco employs roughly the same number
of such hourly wage workers as Zortech does but spends a far higher
total sum per year on wages for such workers.  Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since _____.

1. Zortech spends a higher total sum per year than Yorco does to provide its hourly wage workers with benefits other than wages
2. the
   work performed by hourly wage workers at Zortech does not require a
   significantly higher level of skill than the work performed by hourly
   wage workers at Yorco does
3. the proportion of all company employees who are hourly wage workers is significantly greater at Yorco than it is at Zortech
4. overtime
   work, which is paid at a substantially higher rate than work done
   during the regular work week, is rare at both Yorco and Zortech
5. the highest hourly wages paid at Yorco are higher than the highest hourly wages paid at Zortech.

002.讲的是两种lumber有的presoaked with boarte（ 硼酸盐）

可以permanentely防白蚁，较贵，有人为了省钱，就制造了山寨版，用一般木头在表面涂一层boarte充数，但这种便宜货效果大打折扣，问原因

答案：木头不管怎么涂，表面总有些坑坑洼洼的地方miss掉，然后白蚁就以这些盲点为突破口挖呀挖，挖呀挖，直到把里面全部拄空，最后只剩下一层borate皮皮
    。。。

[此贴子已经被作者于2009-1-29 5:18:44编辑过]

entheticism

001. providing health care for all citizens should be the government's responsibility.
002.Many people complaint they use (or depend) too much computers but 电脑让生活变得更好

[此贴子已经被作者于2009-1-29 5:31:17编辑过]

entheticism

001 AA 原题

 The following appeared in a memorandum from the business department of the Apogee Company.

“When
the Apogee Company had all its operations in one location, it was more
profitable than it is today. Therefore, the Apogee Company should close
down its field offices 
and conduct all its operations from a single location. Such
centralization would improve profitability by cutting costs and helping
the company maintain better supervision of all employees.”

Discuss how well reasoned... etc.

[此贴子已经被作者于2009-1-29 5:31:56编辑过]

entheticism

继续

[此贴子已经被作者于2009-1-29 1:53:45编辑过]

entheticism

占

miriam_lw

good job,entheticism!many thanks!!!