The underlined word "hitch" in the second paragraph can be best replaced by______.
A. reason
B. problem
C. report
D. result
查看答案
救护员现场的救护原则之一是：____________
A. 在确认现场安全的情况下，对伤者进行救助
B. 不管环境是否安全，立即救助伤病者
C. 不必判断伤者的伤病程度，立即送往医院
D. 为了争取抢救时间，可不寻求帮助
We can infer from the last paragraph that______.
A. children should start school as early as possible
B. words and language skills are the easiest for children before they start school
C. only words and language skills can be taught to children before they start school
D. it"s better for children to learn words and language skills before they start school
伤员出现哪些症状提示气道阻塞：__________
A. 呛咳、喘息、吸气时高调噪音、呼吸困难
B. 面色青紫，不能呼吸、说话和咳嗽
C. 伤员用手紧握喉部，呈“V”字状
D. 以上都是
昏迷患者，如果有呼吸，应______________
A. 叩击患者胸部和背部，必要时进行电除颤
B. 将患者摆放至侧卧体位，呼救并等待救护车到来
C. 迅速打开患者气道，并进行口对口吹气
D. 立即使患者仰卧，并开始心肺复苏
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