正确答案: C

3-4天

题目：深二度或三度烧伤创面包扎后应(更换敷料。

解析：C)

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举一反三的答案和解析：

[单选题]The objectives of the ISM Code are to ensure ①safety at sea②prevention of human injury or loss of life③avoidance of damage to the marine environment and to property

①②③

[单选题]Emulsion oils and sodium nitrite are both approved additives, but the latter cannot be used if any pipes are or if ally soldered joints exit.

galvanized

[单选题]荡桨时，领桨手坐在：

艇尾部

[单选题]如果遇大面积烧伤病人时，应()。

用干净床单包裹

[单选题]Excessive oil foaming in the crankcase of a refrigeration compressor is most likely to occur when the compressor

starts after a long idle period

[单选题]船舶柴油机燃用重油，当燃油的含硫量为0.5%时，气缸油的总碱值(TBN)应为( )

10

[单选题]救助艇额定乘员的位置至少不得少于（）。

5个座位、1个躺位