【单选题】The process of nuclear fission______requires the use of a reactor core, around which no lithium blanket of sufficient______has been developed to contain the hazardous byproducts of the process.
A、unfortunately… breadth
B、occasionally … unreliability
C、auspiciously … size
D、fortuitously… expense
E、technically … imagination
网考网参考答案:A
网考网解析:
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