[attachimg=911,683]85051[/attachimg] 34. The inside of a rectangular carton is 48 centimeters long, 32 centimeters wide, and 15 centimeters high. The carton is filled to capacity with k identical cylindrical cans of fruit that stand upright in rows and columns, as indicated in the figure above. If the cans are 15 centimeters high, what is the value of k? (1) Each of the cans has a radius of 4 centimeters. (2) Six of the cans fit exactly along the length of the carton. D 提问：可是没有从题干中看出cans正好放在和rectangular 15cm高这样摆放啊。好吧，如果是因为这是一个carton只能以15cm为高度摆放的话，无视我这个问题=。=
101. Material A costs $3 per kilogram, and material B costs $5 per kilogram.If 10 kilograms of material K consists of x kilograms of material A and y kilograms of material B, is x > y? (1) y > 4 (2) The cost of the 10 kilograms of material K is less than $40. B 提问：可是没有说K里面只含A和B两种material啊，我的意思是x+y未必是10啊。。。如果我钻牛角尖了也无视我吧
125. if °represents one of the operations +,- and *, is k °(l+m) = (k °l) + (k °m) for all numbers k, l, and m ? (1) k °1 is not equal to 1 ° k for some numbers k. (2) °represents subtraction. D 提问：这道题意思是不是，下面那个条件加入题干可以组成is k °(l+m) = (k °l) + (k °m) for all numbers k, l, and m ?这个假设问题？
130. If Juan had a doctor's Appointment on a certain day, was the appointment on a Wednesday? (1) Exactly 60 hours before the appointment, it was Monday (2) The appointment was between 1:00pm and 9:00pm C 提问：(1)中exactly作何解释啊？放在那里明显让人钻牛角尖觉得是正正好好礼拜一啊。。。
130. If Juan had a doctor's Appointment on a certain day, was the appointment on a Wednesday? (1) Exactly 60 hours before the appointment, it was Monday (2) The appointment was between 1:00pm and 9:00pm C 提问：(1)中exactly作何解释啊？放在那里明显让人钻牛角尖觉得是正正好好礼拜一啊。。。
Exactly just means 60:00 hour ago. No more, no less. It just give you a range of possible times for the appointment.
130. If Juan had a doctor's Appointment on a certain day, was the appointment on a Wednesday? (1) Exactly 60 hours before the appointment, it was Monday (2) The appointment was between 1:00pm and 9:00pm C 提问：(1)中exactly作何解释啊？放在那里明显让人钻牛角尖觉得是正正好好礼拜一啊。。。
Exactly just means 60:00 hour ago. No more, no less. It just give you a range of possible times for the appointment.
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发表于 2011-2-26 03:13:05
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