男性,40岁,突发意识丧失5分钟,呼之不应,面色发纶,脉搏测不出,该患者最可能的诊断是
A. 脑血管意外
B. 心脏骤停
C. 心肌梗死
D. 肺栓塞
E. 窒息
双人CRP时按压—通气比率为()
A. 5:1
B. 10:1
C. 15
D. 15:2
E. 30:2
Which of the following statements is fight
A. "Microfilm" is a tiny square film no bigger than your thumbnail.
B. To borrow a microfilm you do not need to find out the call slip.
C. You can read the materials on a microfilm directly.
D. You must use a machine to read the material on a microfilm.
Questions 8 to 10 are based on the following news from the VOA. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. The IOC committee was impressed with Toronto’s ______.
A. multibillion - dollar bid
B. athlete - oriented focus
C. plans for an Olympic park
D. diversity of cultural background