DOW火灾、爆炸危险指数法中,一般工艺危险系数是确定事故损害大小的主要因素。
参考答案:错
— ___ .
— Thank you, I certainly will.[ ]
A. Happy birthday to you
B. Please remember me to your mum
C. Let me help you with your math
D. Don't forget to post the letter