The primary danger in helicopter fires is ______.
A. burning jet fuel running on to quarters or other areas
B. loss of stability
C. rotating and flying debris
D. heat damage to helicopter structure
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The person entitled to make a claim for the loss of goods may ______ them as lost if they
A. treat
B. cheat
C. teat
D. feat
我国政府的组织结构在宏观上的分为中央和地方两种组织结构。()