室颤患者首选治疗措施是
A.观察瞳孔是否散大固定
B.触摸大动脉搏动
C.人工呼吸，胸按压
D.同步直流电除颤
E.非同步直流电除颤
参考答案：E
______ number of our class is fifty-nine and ______ number of students are fond of English.
A．The, the
B．A, a
C．A, the
D．The, a
镜头过渡
