原帖由 Demo 于 2007-10-3 03:13 发表
黄皮书为1996-1999真题, 也就是不包括大白本3的第1-4套.
原帖由 hanrui_542 于 2007-10-7 23:57 发表
我比你还惨烈,一共错了28,阅读有好几个还是懵的,唉,只能不停地刺激自己了。花了两个小时总结,这道填空(section2-7题)真叫人头疼,查了老陈的答案,unctuous,怎么还有逆来顺受的意思呢,webster都没有
1:a ...
原帖由 Zeratel 于 2007-10-8 18:24 发表
褒贬关系
原帖由 purple7sky 于 2007-10-8 22:29 发表
18. Three solid cubes of lead, each with edges 10
centimeters long, are melted together in a level,
rectangular-shaped pan. The base of the pan has inside
dimensions of 20 centimeters by 30 ...
原帖由 tytjackie 于 2007-10-9 00:44 发表
Section 3
24. The electricity used by the water heater was
measured separately and its cost per kilowatt-hour was
one-half the cost per kilowatt-hour of the rest of the
electricity used. The ...
原帖由 Zeratel 于 2007-10-9 07:28 发表
我当初就是设其中一个为A然后就算了...
原帖由 hanrui_542 于 2007-10-9 17:37 发表
这个one-half是什么,不是1.5吗
原帖由 hanrui_542 于 2007-10-9 17:37 发表
Section 3
24. The electricity used by the water heater was
measured separately and its cost per kilowatt-hour was
one-half the cost per kilowatt-hour of the rest of the
electricity used. The cost of the electricity used by the
water heater was most nearly what fraction of the total
cost of all the electricity used?
(A) 1/11
(B) 1/9
(C) 1/8
(D) 1/5
(E) It cannot be determined from the information
given.
原帖由 hanrui_542 于 2007-10-9 17:37 发表
这道是考整数和奇偶数的概念,连续整数肯定是奇偶或偶奇交错,奇数+偶数肯 ...
原帖由 Zeratel 于 2007-10-9 20:03 发表
应该是B吧..
因为求的是比例,所以:设WATER HEATER A元一度
加热器:800X0.2XA
其他:800X0.8X2A
总: 1440A
所以加热器占160A/1440A=1/9
原帖由 Zeratel 于 2007-10-9 20:45 发表
呵呵,其实专业词汇也不多,老陈里面基本都包括了,比如说down payment,down什么的..
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