使患者意识和感觉均丧失的麻醉方法是（）
A.局部麻醉
B.硬膜外麻醉
C.蛛网膜下腔麻醉
D.静脉麻醉
E.神经阻滞麻醉
参考答案：D
The radio club in our school, _______ used to be poorly run, is now very popular among students.
A．that
B．which
C．what
D．where
唐代以前所称的“噫”，是指（）
A.呃逆
B.嗳气
C.恶心
D.干呕
E.太息
