阿托品用于麻醉前给药主要是由于
A.抑制呼吸道腺体分泌
B.抑制排尿
C.抑制排便
D.防止心动过缓
E.镇静
参考答案:A
Throwing their hats into the air, the fans of the winning team _____ loud shouts of victory.
A.let down
B.let in
C.let go
D.let out
下列描述CERM三个timers所在位置错误的是:()
A.initial_sync_timer在BTS
B.downlink_sync_timer在BTS
C.uplink_sync_timer在RXCDR
D.uplink_sync_timer在BTS