现代火箭用液态氢作燃料,是因为它具有:A、较大的比热容;      

现代火箭用液态氢作燃料,是因为它具有:

A、较大的比热容;             B、较低的沸点; 

C、较高的凝固点;            D、较大的热值.

答案

D

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