首先用自身的收入抵补支出，不足部分由财政拨付的事业单位属于()。 A．自收自支预算管

关于肺炎链球菌肺炎，下列哪项错误（）

A.可表现为大叶性肺炎或小叶性肺炎

B.一般不引起肺组织坏死或形成空洞

C.肺炎消散后，多留有纤维瘢痕

D.治疗首选青霉素

E.少数患者可并发脓胸

There were two boys in the lab,_____did the experiment successfully.

A．the clever of whom

B．the cleverer or whom

C．the clever of them

D．the more clever of them

尿毒症病人以碳酸氢钠静脉滴入纠正代谢性酸中毒时发生手足搐搦机制是

A．高钠血症继发脑水肿

B．低钾血症

C．血中钙总量降低

D．血中结合钙降低

E．血中游离钙降低

We ____ last night , but we went to the cinema instead .

A．must have studied

B．might study

C．should have studied

D．would study

2岁小儿与父母到儿保门诊咨询，护士对其进行保健指导，应重点强调

A．鼓励小儿自己进食
B．保证睡眠12h
C．训练定时排便
D．室内相对湿度为55%～65%
E．防止包被过严