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题目： If medical researchers are correct, then the human microbiome, made up of the microorganisms in our body, may hold the cure to diseases that have long plagued humanity, amounting to a major oversight in Western medicine that has, until recently, all but ignored any such role of the microbiome.

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题目： Proponents of the school of thought positing that the Americas were peopled more than 15,000 years ago by a group forced to traverse thousands of miles of ice fields have themselves had to overcome obstacles in trying to account for such an improbable journey, yet those who argue that such a trek was indeed impossible and thus the first peopling of the Americas happened much later have had to account for the presence of artifacts in southern Chile that indicate that the New World was inhabited over 15,000 years ago.

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题目： The number of students enrolled at school X this year is 7 percent more than it was last year. The number of students enrolled at school Y this year is 3 percent more than it was last year. If school X grew by 40 more students than school Y did, and if there were 4000 total enrolled students last year at both schools, how many students were enrolled at school Y last year?

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题目： The state of Maine, in the extreme northeast corner of the continental United States, shares land borders with two Canadian provinces, Quebec and New Brunswick, but only is adjacent with one state, New Hampshire.

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题目： In the United States, a jury consists either of six citizens, in a civil case, or the twelve required by a criminal case.

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题目： Even when the price of a stock is range-bound for several months, the volatility of its price within that range can swell the call option premium: the more the price of the stock moves, then the price of the stock's call options will be higher as a result.

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题目： Until the time of Cantor's work on set theory in the 1870s, no serious mathematician anywhere in the world, even the giants in the field, like Leonard Euler and Karl Gauss, were able to appreciate that infinity can be studied with rigorous precision.

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题目： While Columbus is generally cited as the European who "discovered" America, thinking that he was in East Asia, and it was Amerigo Vespucci correctly deducing that the New World was a landmass previously unknown to the Europeans.

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题目： The income categories of Senator Crocker's proposed tax code are as broad as to fail to distinguish the sale of an old chair at a pawnshop from collecting profits in a sophisticated stock option move.

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题目： The political motivation behind the Livonian Crusade was not so much to convert to Christianity the last non-Christian people in Europe, and also for establishing control over the commerce of the entire Baltic region.

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题目： If y is an integer and $${y}=\mid {x}\mid+{x}$$, is $$y = 0$$?(1)$${x}< {0}$$(2)$$y<1$$

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题目： What is the value of $$({x}-{y})^{4}$$?(1)The product of x and y is 7.(2)x and y are integers.

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题目： Based on the statements, which one of the following can be most reasonably be inferred to be a view held by the company's Qoop developers?

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题目： If x and y are positive integers, and $${x}^{3}{y}^{4}={2000}$$, which of the following is the value of $$xy$$?

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题目： If m denotes a number to the left of 0 on the number line such that $$m^{4}$$ is less than$$\frac{1}{81}$$ , then the the reciprocal of $$m^{2}$$ must be