A result of nuclear explosion, fallout is the descent of minute particles of radioactive material through the atmosphere.

admin2012-09-29 63

问题 A result of nuclear explosion, fallout is the descent of minute particles of radioactive material through the atmosphere.

选项 A、charged
B、heavy
C、tiny
D、lost

答案C

解析微小的

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职称英语卫生类A级

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