颈部手术操作,患者突然低血压和心率减慢,最可能是()
A.刺激了喉返神经
B.刺激了喉上神经
C.刺激了颈上神经
D.颈动脉窦神经反射
E.窒息
参考答案:D
They lost their way in the forest, and _____. Which of the following is wrong? [ ]
A. what made matters worse was that night began to fall
B. what was worse, it was getting dark
C. to make matters worse that night was falling
D. worse still, night had fallen
1946年5月4日,中 * * 发出《关于清算、减租及土地问题的指示》,史称()
A.五四指示
B.土地指示
C.土地法大纲
D.减租指示