#### 题目列表

Photovoltaic cells, which convert light directly to electricity, are safe, have no moving parts, operate at ambient temperature, and last for decades. It would therefore seem that they are one of the more (i)_____ ways to harness the Suns energy. However, there is an obvious (ii)_____ widespread application, and that is (iii)_____: electricity generated from photovoltaic cells is getting cheaper, but it still costs more than the going rate in most places.
It is highly significant that compared with fellow Renaissance artists Michelangelo and Raphael, Leonardo da Vinci was (i)_____ the ancient world, which many in the Renaissance viewed as a model of heroic behavior in art. To be sure, Leonardo was not (ii)_____ antiquity: a recently discovered drawing for a statue of Hercules sheds light on Leonardos plan for a major work concerning that hero of ancient Greek mythology. But there was something in the Renaissance reverence for antiquity as a fixed value, as an ideal outside time, that (iii)_____ Leonardos fascination with the immediate, the mutable, and the elusive.
According to the passage, payments to wage laborers in the early United States were
The passage suggests which of the following about records of payments for outwork?
"The continual input of bat-dispersed seed" is mentioned in the passage as part of an explanation for
The passage implies which of the following about the B. alicastrum trees observed at Tikal?
The passage implies which of the following about the B. alicastrum trees observed in Veracruz?
Many claim that the evidence for Americans growing social isolation is __________: families dine together a third less often than they did even in 1980 and participation in community groups and volunteer organizations has declined.
The excellent agreement between theory and experiment convinced many of the original opponents of atomistic theories; thenceforth they accepted the __________ of the theories.
Which of the following most logically completes the argument?
Which of the following best describes the function of the highlighted sentence?
Which of the following qualities of the Centre Pompidou forms the basis for the authors critique of Renzo Piano and Richard Rogers work?
The author of the passage refers to "extravagant colors" primarily to
It can be inferred from the passage that by setting out new cards when replacing the dish of sugar water with an empty one, Frisch
All the relationships the composer explored in his 1970 musical were (i)_____ and thus spoke to the cultures confusion and despair. This made him Broadways laureate of (ii)_____.
It would be tempting, but incorrect, to maintain that the recent conflict among the members of the chamber group (i)_____ the classical music world. The field is as rife with interpersonal conflicts as any other. But those conflicts are supposed to be (ii)_____. For a dispute to spill into the courts and the public arena as this one has is, musicians say, (iii)_____. It has consumed the lives of those involved and become a cautionary tale for chamber players.
The smallest human societies that we can identify, either among living groups or among the populations of prehistory, do not appear to (i)_____ the image of primitive (ii)_____ that has become popular among anthropologists in the past twenty years. Hunger has clearly been at least a seasonal problem for many historic and contemporary groups, and (iii)_____ is not unknown. Contemporary hunter-gatherers appear to be chronically lean, as well as at least occasionally hungry.
Which of the following statements best describes the function of the highlighted sentence?
The author implies that Frederick Douglass` relocation to Rochester was important because
The passage suggests that population fluctuations in many other animal species differ from those of the snowshoe hare in that population fluctuations in other species

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