患者，胡先生，56岁，便血及肛门下坠感已1年，近2个月发现大便呈扁平状，表面带有脓血，去医院检查指诊发现直肠中段有约2cm×2cm大小的肿物质硬，边缘不清。

如已确诊为直肠癌，并采用结肠造瘘的手术方法，术后三天内应特别注意（）

A.维护造瘘口皮肤清洁

B.观察引流物的颜色、量、性质

C.观察造瘘口处血运情况

D.血象变化

E.生命体征变化

先通读下面的短文,掌握其大意，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。所填单词在横线上必须完整写出。

Jim is one of Mr Brown’s old f小题1:. Mr Brown asked Jim for dinner and he agreed. They were both very

h小题2:  because they hadn’t s小题3: each other for years. Mrs Brown bought some meat and vegetables         from the shop. They were talking in the s小题4: room while Mrs Brown was c 小题5: in the kitchen.

Suddenly she called Mr Brown into the kitchen and said something was wrong with the pot(锅) and asked him  to buy one. He said sorry to Jim and l小题6:. He wanted to borrow one from his neighbor, but they were all

o小题7: . He had to go to the shop to buy a new one.

On his way to the shop, he saw a man selling pots by the road. He stopped to ask, ‘Are the pots of high quality(质量)?’ ‘Sure, sir,’ the man said, ‘I can show it to you.’ The man dropped a pot to the ground. Bad l小题8:! It was broken into pieces. The man was very c小题9: and said, ‘I have never s小题10: such a pot of low quality like it! I’d rather break it into pieces than sell it to you.