When one takes up something that is original,
A.he reaches his aim before others.
B.he gets greater rewards.
C.he has more byproducts.
第2题
A.判断意识→打开气道→人工呼吸→人工循环→紧急止血→保护脊柱
B.打开气道→人工呼吸→人工循环→紧急止血
C.打开气道→人工呼吸→人工循环→保护脊柱
D.判断意识→打开气道→人工呼吸→紧急止血→保护脊柱
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