Trunk-type diesel engine pistons are most

--- I need some fresh air, so I’m going out for a walk.

--- _________.

A．Have fun

B．With pleasure

C．You’d better not

D．It’s none of my business

门诊手术麻醉后的最常见并发症（）

A.呼吸抑制

B.恶心呕吐

C.低血压

D.苏醒延迟

E.下肢感觉和运动异常

患者男，3岁，因“右侧眼睑下垂40d，加重15d”来诊。哭闹后症状加重。近15d症状加重，并出现吞咽困难，饮水稍快易出现呛咳。无发热及意识障碍，精神、食欲正常。既往史、个人史无特殊记载。查体：意识清楚，精神佳；右侧睑裂变小，伴眼球活动障碍，外斜视，双侧瞳孔等大正圆，对光发射灵敏。

可采取的治疗措施有（提示颅脑MRI：正常。新斯的明试验（＋），血清AchR抗体（－）。）()

A.口服吡啶斯的明

B.静脉注射大剂量甲泼尼龙短程冲击

C.广谱抗生素预防感染

D.异烟肼

E.口服泼尼松长期维持

F.静脉注射新斯的明

Packet-switching wireless networks are preferable (41) when transmissions are (42) because of the way charges are (43) per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are (44) for the (45) of time they use the net-work.

A．point

B．start

C．length

D．end

我这里再提醒农民朋友一句：在 (33) 农药时，要严格 (34) 浓度和剂量， (35) 使农作物产生药害。

A．以免
B．要不
C．否则
D．甚至