医院感染发病率是指A．在一定时间内住院病人中发生医院感染新发病例的频率 B．用在某医

男性，15岁，左膝酸痛2个月，加重1周伴局部肿胀，无发热，X线片显示左股骨下端骨质不均匀性溶骨性改变，有散在的钙化并有骨膜反应，经病理活检证实为软骨肉瘤，采取以下哪种治疗（）

A.中药治疗

B.病灶整块切除

C.病灶整块切除+植骨

D.病段切除+自体带血管骨移植

E.化疗+免疫治疗

根据句意及首字母提示完成单词。

1. Is that a good place to h              out?

2. The bus was c              with people.

3. Ted w________ why the police called him, so he went to the police station yesterday.

4. Would you mind opening the window to let f              air in?

5. All living things d              on the sun for their growth.

6. In my opinion, Chinese food is more d              than the western food.

7. This evening I'll d              up for my friend's birthday party.

8. May I t____________ you to shut the door? It's a little cold in the room.

9. You should give a d__________ answer in order to make everyone understand you.

10.I'm sorry if I've o              (冒犯)you.

药物性废弃物的处理

A．填埋

B．封存处理、焚化

C．化学降解法

D．静脉注射液可采用下水道或填埋方式

E．玻璃安瓿不能焚烧处理，可以先压碎，然后与锋利物品一起处理

感染转为慢性结局是由于（）

A.机体抵抗力与细菌毒力处于相持状态

B.治疗不当

C.人体抵抗力下降

D.细菌毒力增大

E.细菌变异

脑静脉和静脉窦血栓形成的特征表现是（）

A.平扫有"带"征，增强有"空三角征"

B.大片低密度区内见高密度影

C.双侧出血性脑梗死

D.脑萎缩，脑室系统扩大

E.靠近脑表面的大片低密度区内见小的高密度影