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GWD PREP07 Test 2	The passage is primarily concerned with
PREP07 Test 2	If x, y, and z are integers, is x + y + 2z even?(1) x + z is even.(2) y + z is even.
PREP07 Test 2	Working alone at its own constant rate, a machine seals k cartons in 8 hours, and working alone at its own constant rate, a second machine seals k cartons in 4 hours. If the two machines, each working at its own constant rate and for the same period of time, together sealed a certain number of cartons, what percent of the cartons were sealed by the machine working at the faster rate?
PREP07 Test 2	Like their male counterparts, women scientists are above average in terms of intelligence and creativity, but unlike men of science, their female counterparts have had to work against the grain of occupational stereotyping to enter a "man's world."
PREP07 Test 2	Microscopic plants called algae grow inside the top layer of sea ice in the Antarctic if enough sunlight reaches that layer of ice and enough seawater, which contains nutrients, reaches that layer after splashing onto the surface. Even though moderate snow cover reduces the sunlight that filters into the top layer, sea ice with moderate snow cover typically contains even more algae in the top layer than does sea ice with less snow cover.Which of the following, if true, most helps to explain the apparent discrepancy?
GWD PREP07 Test 2	According to the passage, which of the following is a concern that arises with biocontrol agents but not with chemical pesticides?
PREP07 Test 2	The operation @ represents either addition, subtraction, or multiplication of integers. What is the value of 1 @ 0 ? (1) 0 @ 2 = 2(2) 2 @ 0 = 2
PREP07 Test 2	If w, x, y, and z are numbers on the number line shown, which of the following products is least?
PREP07 Test 2	From studies of the bony house of the brain, which is the cranium, located in the back of the skull, come what scientists know about dinosaur brains.
PREP07 Test 2 GWD	Which of the following most logically completes the passage?Garnet and RenCo each provide health care for their employees. Garnet pays for both testing of its employees' cholesterol levels and treatment of high cholesterol. This policy saves Garnet money, since high cholesterol left untreated for many years leads to conditions that require very expensive treatment. However, RenCo does not have the same financial incentive to adopt such a policy, because ______.
PREP07 Test 2	One kilogram of a certain coffee blend consists of x kilogram of type I coffee and y kilogram of type II coffee. The cost of the blend is C dollars per kilogram, where C = 6.5x + 8.5y. Is x＜0.8?(1) y＞0.15(2) $$C\ge7.30$$
PREP07 Test 2	The passage suggests which of the following about the blue butterfly mentioned in the highlighted text?
PREP07 Test 2	7A certain telephone company offers two plans, A and B. Under plan A, the company charges a total of $0.60 for the first 7 minutes of each call and $0.06 per minute thereafter. Under plan B, the company charges $0.08 per minute of each call. What is the duration of a call, in minutes, for which the company charges the same amount under plan A and under plan B ?
PREP07 Test 2	So-called green taxes, which exact a price for the use of polluting or nonrenewable fuels, are having a positive effect on the environment and natural resource base of countries as varied as China, the Netherlands, and Hungary.
PREP07 Test 2	United Lumber will use trees from its forests for two products. The tree trunks will be used for lumber and the branches converted into wood chips to make fiberboard. The cost of this conversion would be the same whether done at the logging site, where the trees are debranched, or at United's factory. However, wood chips occupy less than half the volume of the branches from which they are made.The information given, if accurate, most strongly supports which of the following?
PREP07 Test 2	The author of the passage would be most likely to agree with which of the following statements about the documents mentioned in the first sentence of the passage?
PREP07 Test 2	If n and p are integers, is p > 0 ?(1) n + 1 > 0 (2) np > 0
PREP07 Test 2	in the xy-plane, each point on circle K has nonnegative coordinates and the center of K is the point (4, 7). What is the maximum possible area of K?
PREP07 Test 2	Ozone, a special form of oxygen that screens out harmful ultraviolet rays, reaches high concentrations twelve miles above Earth, where it has long appeared that it was immune from human influence; we have now realized, though, that emissions of industrial chlorofluorocarbons deplete the ozone layer.
PREP07 Test 2 OG18-文本逻辑	Which of the following most logically completes the argument?Utrania was formerly a major petroleum exporter, but in recent decades economic stagnation and restrictive regulations inhibited investment in new oil fields. In consequence, Utranian oil exports dropped steadily as old fields became depleted. Utrania's currently improving economic situation, together with less-restrictive regulations, will undoubtedly result in the rapid development of new fields. However, it would be premature to conclude that the rapid development of new fields will result in higher oil exports, because __________.