[填空题]Harrison:
Of all energy sources, nuclear energy has perhaps the lowest impact on the environment, especially in relation to kilowatts produced, because nuclear plants do not emit harmful gases, require a relatively small area, and effectively mitigate other impacts. In other words, nuclear energy is the most" eco-efficient" of all energy sources because it produces the most electricity in relation to its minimal environmental impact. There are no significant adverse effects to water, land, habitats, species and air resources
Jeffery:
The radioactive particles in low-level waste emit the same types of radiation that everyone receives from nature. The U. S. Nuclear Regulatory Commission requires that releases of radiation at a disposal site not exceed an annual dose to any member of the public of 25 milligrams to the whole body. In comparison, the average American is exposed to about 360 milligrams of radiation annually mostly from natural sources ( such

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[填空题]Harrison:
Of all energy sources, nuclear energy has perhaps the lowest impact on the environment, especially in relation to kilowatts produced, because nuclear plants do not emit harmful gases, require a relatively small area, and effectively mitigate other impacts. In other words, nuclear energy is the most" eco-efficient" of all energy sources because it produces the most electricity in relation to its minimal environmental impact. There are no significant adverse effects to water, land, habitats, species and air resources
Jeffery:
The radioactive particles in low-level waste emit the same types of radiation that everyone receives from nature. The U. S. Nuclear Regulatory Commission requires that releases of radiation at a disposal site not exceed an annual dose to any member of the public of 25 milligrams to the whole body. In comparison, the average American is exposed to about 360 milligrams of radiation annually mostly from natural sources ( such

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Nuclear Energy

Nuclear energy is an efficient and convenient substitute for conventional forms of energy which were found in special geographical locations. Large amounts of (51) and effort are required to (52) these locations. Once the sites are found, men and equipment must be brought to tap and use these sources of energy. However, a large proportion of such sites are found only in far and (53) places. This increases the difficulties of (54) these forms of energy. With nuclear energy, such difficulties are not present. Nuclear reactors can easily be built anywhere, and man does not have to compete with the (55) of nature in order to obtain the energy. For equal amounts of energy, nuclear energy is much more convenient and inexpensive to obtain than conventional sources of energy.
With nuclear energy, the amount of pollution is greatly reduced. (56) the production of nuclear ene
A. If
B. While
C. Since
D. Though

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