第8题: [单项选择]正常成人血清钾的参考值为 A. 3.5~5.0 mmol/L B. 3~5 mmol/L C. 4~5.0 mmol/L D. 4.1~5.6 mmol/L E. 3~6 mmol/L 参考答案:A
第9题: [单项选择]When water is used to fight a fire on board a ship,the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?() A. 64 cubic feet B. 35 cubic feet C. 100 gallons D. 500 liters 参考答案:B