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Scientists may soon discover whether the limits on successfill cognitive functioning in old age that were once seen as (i)____________can instead be viewed as (ii)____________ assumptions that focused exclusively on observable age-related decline rather than on the potential for maximizing Iniman performance tlirough cognitive enriclunent.
The author suggests that the ''overwhelming majority'' initially rejected the idea of continental drift because
The author mentions "a remarkable account" primarily in order to
Which of the following is an assumption on which the argument depends?
There are currently 100,000 bacteria in a certain culture. The number of bacteria in the culture doubles every 2 hours and will be equal 100,000,000 in N hours.

Quantity A

N

Quantity B

48




The tables show the prices of the desserts and beverages on Diner X`s late-night snack menu. How many different combinations of 1 dessert and 1 beverage can be purchased at Diner X if the total price for the 2 items must be less than or equal to $4.40?
Each of five data sets consists of 10 values, all of which are integers. The distributions of the values in the five data sets are shown. The values in which distribution have the greatest standard deviation?

Unlike cultural theorists who speculate on the media's role in influencing fashion trends. Schweitzer and Scott have _________ approach to the study of fashion. observing activities at fashion magazines and rerail stores.
Gravity is the _____________ of the four fundamental forces existing in nature, the others being the electromagnetic force, and the strong and weak nuclear forces: yet over laree distances it is gravity that dominates.
His basic argument regarding individuals is that being (i)____________ a problem can lead to a creative (ii) ____________ . When we are relaxed, by contrast, we are more likely to direct our attention inward and thus detect the connections that lead to fruitful insights and discoveries.
Psychologists have found that forgetting is not (i)_____________ to learning but (ii)_____________ to it,a principle that is (iii)_____________ machine learning. If a machine learns a task,then forgets it, then learns another task and forgets it, and so on, it can be coached to grasp the common features of those tasks, and it will pick up new variants faster. It won't have learned anything specific, but it will have learned how to learn.
It can be inferred from the passage that Wegener and Holmes
In attempting to explain why ancient Chinese farmers who primarily grew millet started to grow wheal, researchers note that wheal and millet have ___________sowing seasons: wheat can be sowed after millet has been harvested.

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