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题目： According to the rubble-pile hypothesis, an advantage conferred on an asteroid held together by weak forces is that it is

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题目： The author of the passage would disagree with which of the following?

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题目： It can be inferred that, compared to the United States, Japan spent less on

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题目： Based on information in the passage, it can be inferred that the author believes that countries similar to the United States in terms of environmental policy

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题目： The author implies that a country described as a "tortoise" is more likely to favor

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题目： The theory offered in the second paragraph differs most from Miller's theory in regards to the

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题目： According to the passage, an arctic curlew suffering navigational issues is most consistent with which of the following?

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题目： Which of the following is the primary purpose of the passage?

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题目： In the xy-plane, point (r, s) lies on a circle with center at the origin. What is the value of $${r}^{2}+{s}^{2}$$?(1)The circle has radius 2.(2)The point $$(\sqrt 2$$, $$-\sqrt2)$$ lies on the circle.

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题目： Working alone at their respective constant rates, machine A and machine B can fill a certain order in 3 hours and 6 hours, respectively. If the two machines work simultaneously at their respective constant rates, how many hours does it take the two machines to fill 1/2 of that order?

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题目： Three pieces of wire have an average (arithmetic mean) length of 39 inches and a median length of 48 inches. What is the maximum possible length, in inches, of the shortest piece of wire?

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题目： If the two-digit integers M and N are positive and have the same digits, but in reverse order, which of the following CANNOT be the sum of M and N ?

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题目： If $${P}({r})={8}\frac{r}{1-r}$$, for what value of r does $${P}({r})=\frac{1}{2}{P}(3)$$?

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题目： The age of the Earth is approximately $${1.3}*{10}^{17}$$ seconds, and one year is approximately $${3.2}*{10}^{7}$$ seconds. Which of the following is closest to the age of the Earth in years?

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题目： The surface of a certain planet reflects 80 percent of the light that strikes it. The clouds around the planet then absorb 40 percent of the reflected light. What percent of the light that strikes the planet is reflected from the surface and passes through the clouds without being absorbed?