一氧化碳中毒的典型症状是
A. 呼吸困难
B. 休克
C. 口唇呈樱桃红色
D. 疲乏、无力
E. 昏睡
急性白血病临床表现，不正确的是
A. 起病急骤，突发高热和明显出血倾向
B. 可有发热、贫血、出血三种症状
C. 有白细胞浸润表现，如肝、脾、淋巴结肿大，中枢神经系统白血病等
D. 多无胸骨下端及四肢骨骼疼痛
E. 常有胸骨下端压痛
It can be inferred from one of the excerpts that a successful company should take the social responsibility of______.
A. filing reports to the agencies like Pew Research Center
B. installing its products in the space where Taxi TVs sit
C. predicting the trends in product design and manufacturing
D. creating more jobs for people to be involved in its business operation
特种设备检验、检测机构及其检验、检测人员应当()为特种设备生产、经营、使用单位提供安全、可靠、便捷、诚信的检验、检测服务。
A. 依法
B. 根据交费情况
C. 根据人员关系
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