急性亚硝酸盐类中毒的特效解毒药是（）
A.美蓝
B.纳洛酮
C.氟马西尼
D.乙酰胺
E.二巯丙磺酸钠
参考答案：A
I walked up to the top of the hill with my friends, _____ we enjoyed a lovely view of the lake.
A．which
B．where
C．who
D．that
逆铣
