蛔虫病患者如得不到彻底治疗,可能发生下列并发症,其中哪一条除外?()
A.胆道蛔虫病
B.蛔虫性肠梗阻
C.蛔虫性阑尾炎
D.肠穿孔
E.蛔虫性哮喘
参考答案:E
These are my gloves. Zhang Xin's _____________ over there. [ ]
A. gloves
B. are
C. is
D. ours
请说出应如何检修污物箱装置?