[填空题]Usually, there are two reasons to pursue scientific knowledge: for the
sake of the knowledge itself, and for the practical use of that knowledge.
Because this second aspect of science effects the lives of most people, (1) ___
it is much more familiar than the first. Knowledge must be gained,
however, after it can be applied, and often the most important technological (2) _
advances arise from research pursued for its own sake.
Traditionally, new technology has concerned with the construction (3) _
of machines, structures, and tools in a relatively large scale. The (4) _
development of materials for building bridges, skyscrapers or highways
is an example of this, as it is the development of the internal-combustion (5) ___
engine and the nuclear reactor. While such activities involve all sections
of the scienc

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[填空题]Usually, there are two reasons to pursue scientific knowledge: for the
sake of the knowledge itself, and for the practical use of that knowledge.
Because this second aspect of science effects the lives of most people, (1) _____
it is much more familiar than the first. Knowledge must be gained,
however, after it can be applied, and often the most important technological (2) _____
advances arise from research pursued for its own sake.
Traditionally, new technology has concerned with the construction (3) _____
of machines, structures, and tools in a relatively large scale. The (4) _____
development of materials for building bridges, skyscrapers or highways
is an example of this, as it is the development of the internal-combustion (5) _____
engine and the nuclear reactor. While such activities involve all sections
of the scienc

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