压焊过程中的有害因素可分为焊接烟尘、有毒气体、电磁辐射、光热伤害、振动和噪声等几类。
参考答案:对
根据所给的首字母,在横线上写出对话中所缺的单词。
A: Excuse me. Do you happen to know i 1 there is a hospital near here ?
B: Just a minute…Let me think…Yes, I know. The n 2 one is the People's Hospital, next to the
Great Shopping Centre.
A: And…er…I'm sorry to trouble you f 3 ,but would you say it is p 4 to walk there or it is too
f 5 ?
B: Well, er… it would t 6 about twenty minutes to get there on f 7 , I should think. But you
could take a n 8 38 bus.
A: Thank you. But could I ask you one m 9 question ?
B: S 10 .
A: Could you tell me where the bus stop is ?
B: Look, it's over there.
A: Thank you very much.
病原体不断侵入血流并在血中繁殖产生毒素,表现出严重中毒症状时,应诊断为
A.毒血症B.菌血症C.败血症D.变应性亚败血症E.脓毒血症