The adventurer started ______ at midnight in a temperature of 30°C below zero.A.outB.upC.o

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The adventurer started ______ at midnight in a temperature of 30°C below zero.

A.out

B.up

C.off

D.on

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。