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The Chinese, who began systematic astronomical and weather observations shortly after the ancient Egyptians, were assiduous record-keepers, and because of this, can claim humanity's longest continuous _____ of natural events.
Because many of the minerals found on the ocean floor are still (i)_____ on land, where mining is relatively inexpensive, mining the ocean floor has yet to become a (ii)_____ enterprise.
The valedictory address, as it has developed in American colleges and universities over the years, has become a very strict form, a literary (i)_____ that permits very little(ii)_____.
A human being is quite (i)_____ creature, for the gloss of rationality that covers his or her fears and (ii)_____ is thin and often easily breached.
Although the passage of years has softened the initially hostile reaction to his poetry, even now only a few independent observers _____ his works.
Unlike philosophers who constructed theoretically ideal states, she built a theory based on (i)_____; thus, although her constructs may have been inelegant, they were (ii)_____sound.
Once a duckling has identified a parent, the instinctive bond becomes a powerful(i)_____ for additional learning since, by (ii)_____ the parent, the duckling can acquire further information that is not genetically transmitted.
Nearly two-thirds of the country's mushroom crop is produced by 160 growers in a single county, the greatest _____ growers anywhere.
The disjunction between educational objectives that stress independence and individuality and those that emphasize obedience to rules and cooperation with others reflects a _____ that arises from the values on which these objectives are based.
It is (i)_____ for a government to fail to do whatever it can to eliminate a totally (ii)_____disease.
Dramatic literature often _____ the history of a culture in that it takes as its subject matter the important events that have shaped and guided the culture.
The legislators of 1563 realized the _____of trying to regulate the flow of labor without securing its reasonable remuneration, and so the second part of the statute dealt with establishing wages.
Scientists who are on the cutting edge of research must often violate common sense and make seemingly(i)_____ assumptions because existing theories simply do not (ii)_____newly observed phenomena.
The (i)_____ with which the French aristocracy greeted the middle-class Rousseau was all the more (ii)_____ because he showed so little respect for them.
Because they had expected the spacecraft Voyager 2 to be able to gather data only about the planets Jupiter and Saturn, scientists were _____ the wealth of information it sent back from Neptune twelve years after leaving Earth.
Wearing the latest fashions was exclusively the (i)_____ of the wealthy until the 1850's, when mass production, aggressive entrepreneurs, and the availability of the sewing machine made them (ii)_____ the middle class.
Linguists have now confirmed what experienced users of ASL-American Sign Language-have always implicitly known: ASL is a grammatically _____ language in that it is capable of expressing every possible syntactic relation.
He was regarded by his followers, as something of (i)_____, not only because of his insistence on strict discipline, but also because of his (ii)_____adherence to formal details.
The influence of the Titnaeus among early philosophical thinkers was (i)_____, if only because it was the sole dialogue (ii)_____ in Europe for almost 1,000 years.
The Gibsons were little given to (i)_____ in any form; not one of them was afraid of (ii)_____, of being and seeming unlike their neighbors.

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