在平面直角坐标系中，点（2，﹣4）在第___象限．

慢性脓胸最重要的治疗原则是（）

A.应用广谱抗生素

B.胸腔闭式引流

C.消除脓腔

D.胸膜纤维板剥脱术

E.彻底排净脓液

根据所给的首字母填写单词。（共10小题；每小题1分，满分10分）

There were three old teachers at the railway station. They were talking happily. The train a  小题1: , but they did not notice (察觉). Then the conductor(列车长) shouted, “G  小题2:  on the train and take your seats, please!”

The teachers heard the conductor and rushed for the train. T  小题3:  of them got on the train b  小题4:   it moved. The third one didn’t get on the t  小题5:  . It was Mr Green. He looked worried.

One of his students was at the station. He t  小题6:  to comfort (安慰) the teacher. “It wasn’t really b  小题7: , sir,” said the student. “Two out of three c  小题8:  the train. That’s quite good, you know.”

“I know.” the teacher said. “But it was m   小题9:   train. My friends only came to

s  小题10:  good-bye to me.”

十二经脉流注起于：

A．肺

B．胃

C．肾

D．心

E．肝

男性，45岁，患十二指肠溃疡反复出血，行胃大部切除术，毕Ⅱ式，术后第三天诉右上腹剧痛不能忍受，右侧腹部压痛明显，伴肌紧张及反跳痛，右上腹较著，诊为十二指肠残端漏。此情况多见于

A．十二指肠巨大溃疡行胃大部切除术后
B．胃大弯溃疡行胃大部切除术后
C．胃底贲门溃疡行胃大部切除术后
D．胃窦溃疡行胃大部切除术后
E．胃小弯溃疡行胃大部切除术后

下列存货的盘亏或毁损损失，报经批准后，应转作管理费用的有( )。

A．保管中产生的定额内自然损耗

B．自然灾害所造成的毁损净损失

C．管理不善所造成的毁损净损失

D．收发差错所造成的短缺净损失