使用热导检测器作色谱分析时，常用氢气作载气，其优点是热导系数大，便宜易得，其缺点是（），故一定要注意安全。
参考答案：易燃易爆
----How do you deal with disagreements between the company and the customers?
----They key the problem is to meet the demand by the customers.
A．to solving; making
B．to solving; made
C．to solve; making
D．to solve; made
国家劳动保护监察的形式不包含（）监察。
A、专业性
B、一般
C、劳动
