已选分类
管理学
单选题Neither the Sami nor the Kephrian delegations attended the international conference. Beforehand, the delegations of Daqua and Kephria, allies whose governments had grievances against Tessia, officially announced that one or both of the two would stay away if the Tesssian delegation attended the conference. In response, the Sami delegation officially announced that it would definitely attend if both the Daquan and Kephrian delegations stayed away.
If the statements given are all true and all the delegations adhered to their official announcements, it must also be true that the
单选题George Bernard Shaw wrote: “That any sane nation, having observed that you could provide for the supply of bread by giving bakers a pecuniary interest in baking for you, should go on to give a surgeon a pecuniary interest in cutting off your leg is enough to make one despair of political humanity.”
Shaw"s statement would best serve as an illustration in an argument criticizing which of the following?
单选题Noting that the number of crimes committed in a certain city had decreased in 1982 by 5.2 percent in comparison with 1981, the police chief of the city said, "We see here the result of the innovative police program put into effect in the city at the beginning of 1982."
Which of the following, if true, most seriously weakens the conclusion drawn by the police chief?
单选题Whatisthecircumferenceofthecircleabove?(1)ThelengthofarcXYZis18.(2)r=s
单选题How many integers n are there such that r＜n＜s? (1)s-r=5 (2)r and s are not integers. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题If an integer n is divisible by both 6 and 8, then it must also be divisible by which of the following? (A) 10 (B) 12 (C) 14 (D) 16 (E) 18
单选题Theonlycontentsofaparcelare25photographsand30negatives.Whatisthetotalweight,inounces,oftheparcel'scontents?(1)Theweightofeachphotographis3timestheweightofeachnegative.(2)Thetotalweightof1ofthephotographsand2ofthenegativesisOunce.
单选题The greatest chance for the existence of extraterrestrial life is on a planet beyond our solar system. The Milky Way galaxy alone contains 100 billion other suns, many of which could be accompanied by planets similar enough to Earth to make them suitable abodes of life.
The statement above assumes which of the following?
单选题After graduating from high school, people rarely multiply fractions or discuss ancient Rome, but they are confronted daily with decisions relating to home economics. Yet whereas mathematics and history are required courses in the high school curriculum, home economics is only an elective, and few students choose to take it.
Which of the following positions would be best supported by the considerations above?
单选题There are 4 card-processing machines in an office. The fastest of these machines processes x cards in 7 hours and the slowest processes x cards in 8 hours. Which of the following could NOT be the average time per machine for each of the 4 machines to process x cards?
单选题Ifaandbarepositiveintegers,whatisthevalueofa+b?(2)Thegreatestcommondivisorofaandbis1.(A)条件(1)充分，但条件(2)不充分．(B)条件(2)充分，但条件(1)不充分．(C)条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．(D)条件(1)充分，条件(2)也充分．(E)条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题 CANCELATION FEES Days prior to Departure Percent of Package Price 46 or more 10% 45～31 35% 30～16 50% 15～5 65% 4 or fewer 100% The table above shows the cancellation fee schedule that a travel agency uses to determine the fee charged to a tourist who cancels a trip prior to departure. If a tourist canceled a trip with a package price of$1,700 and a departure date of September 4, on what day was the trip canceled? (1)The cancellation fee was $595. (2)If the trip had been canceled one day later, the cancellation fee would have been $255 more.
单选题In the xy-coordinate system, if(a, b)and(a+3, b+k)are two points on the line defined by the equation x=3y-7, then k
单选题Left-handed persons suffer more frequently than do righthanded persons from certain immune disorders, such as allergies. Left-handers tend to have an advantage over the righthanded majority, however, on tasks controlled by the right hemisphere of the brain, and mathematical reasoning is strongly under the influence of the right hemisphere in most people.
If the information above is true, it best supports which of the following hypotheses?
单选题If the price of potatoes is $0.20 per pound, what is the maximum number of potatoes that can be bought for $1.00? (1)The price of a bag of potatoes is $2.80. (2)There are 15 to 18 potatoes in every 5 pounds. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题If n is a positive integer and k+2=3n, which of the following could NOT be a value of K? (A) 1 (B) 4 (C) 7 (D) 25 (E) 79
单选题Residents of an apartment complex are considering two possible plans for collecting recyclable trash. Plan 1—Residents will deposit recyclable trash in municipal dumpsters located in the parking lot. The trash will be collected on the first and the fifteenth days of each month. Plan 2—Residents will be given individual containers for recyclable trash. The containers will be placed at the curb twice a week for trash collection.
Which of the following points raised at a meeting of the residents, if valid, would most favor one of the recycling plans over the other?
单选题In each production lot for a certain toy, 25 percent of the toys are red and 75 percent of the toys are blue. Half the toys are size A and half are size B．If 10 out of a lot of 100 toys are red and size A, how many of the toys are blue and size B? (A) 15 (B) 25 (C) 30 (D) 35 (E) 40
单选题Thepositiveintegernisdivisibleby25.Ifisgreaterthan25,whichofthefollowingcouldbethevalueof?
单选题A merchant sells an item at a 20 percent discount, but still makes a gross profit of 20 percent of the cost. What percent of the cost would the gross profit on the item have been if it had been sold without the discount? (A) 20% (B) 40% (C) 50% (D) 60% (E) 75%