In his factory the workers are now paid _____ the season.
A.in
B.during
C.for
D.by
答案:D
以下哪项是经皮穿刺气管造口术的后期并发症()
A.气道狭窄
B.气胸
C.空气栓塞
D.皮下气肿
E.出血
应用文语言风格要求简明、朴实,所以不需要用任何修辞手法。