肺癌易形成空洞的是 A．腺癌 B．鳞癌 C．未分化癌 D．肺泡细胞癌 E．转移性肺癌

补全对话。（填入适当的单词）

Li Ming: Our vacation is coming! What are you doing l__________

vacation?

Kong Wei: I'm going to 2__________ my cousin who lives 3__________ Hong Kong.

Li Ming: That 4__________ ruce. How 5__________ are you staying?

Kong Wei: Almost for a week. I don't like going6__________for too long. I'm going shopping and sightseeing 7__________him. You know Hong

Kong is a famous tourist city.How 8__________you?

Li Ming: I'm relaxed at home.

Kong Wei: It's also a good idea.

Li Ming: I need a relaxing vacation. 9__________ recently(近来) I always

feel tired. I want to have a good rest and 10__________to music.

女，25岁，心悸、气促、下肢水肿4年。心脏叩诊胸骨左缘第2、3肋间心浊音界增大，心腰丰满，听诊局限于心尖区的低调、隆隆样、舒张中晚期递增型杂音。

上例最可能的诊断为（）

A.二尖瓣狭窄

B.室间隔缺损

C.动脉导管未闭

D.二尖瓣关闭不全

E.扩张型心肌病

患者，女，50岁。近期常感腰痛，且有小便不畅症状。尿常规检查，见红细胞1～2个/视野。B超检查示：肾盂结石。用药宜首选( )

A．泽泻
B．车前子
C．木通
D．金钱草
E．连翘

《水质三乙胺的测定溴酚蓝分光光度法》（GB／T14377--1993）测定水中三乙胺的范围为（）mg／L。水样中三乙胺含量超过此范围时可稀释后测定

根据AC-121-59的规定，使用计算机系统保存的维修记录和档案应当建立地点和安全保护措施独立的备份系统，当维修记录和档案发生变更时以不超过（）小时的间隔更新备份系统。

A.12

B.24

C.36

D.48