肠结核病人出现下列哪项情况时不宜手术治疗()
A.完全性肠梗阻
B.急性肠穿孔
C.慢性肠穿孔伴难治性粪瘘
D.肠道大出血止血不满意者
E.结核性腹膜炎
参考答案:E
By the time you have completed the essential training, you ________ exposed to virtually every new feature of the course . [ ]
A. will have been
B. are
C. have been
D. will be
()燃烧宣属于分隔式燃烧室
A、D形
B、球形
C、涡流室式
D、杯形