马克思主义认为，人们对客观世界的认识和改造，人生价值和理想的实现，都离不开社会实

关于医院清洁、消毒、灭菌措施的叙述，错误的是（）

A.清洁是用清水等清除物表面的法垢、尘埃

B.清洁常常是物品消毒、灭菌的前期步骤

C.清洁可达到杀灭少量病原微生物的效果

D.消毒是指用物理或化学方法杀灭除芽胞以外的所有病原微生物

E.灭菌是指用物理或化学方法杀灭一切微生物包括芽胞

补全对话。

(A New English-Chinese Dictionary is on sale in the Foreign Languagesr Bookstore. Dick is too busy to go there, He asks John to get one for him.)

- Hello! May I speak to John,please?

-This is John speaking.1.                      

-It's Dick. 1'm at home. 

-2.                                 

-1'm looking alter my mother.

-3.                                   

-She is ill. She has caught a bad cold.

-4.                                    Can I help you?

-Yes,thank you. I hear a New English-Chinese Dictionary is on sale at the Foreign

Languages Bookstore. Will you please go there and get one for me?

-5.                       I'11 go right now

-Thank you very much.  

-You're welcome.

酸中毒（）。

A.血浆HCO₃^-／H₂CO₃＜20

B.血浆HCO₃^-／H₂CO₃＞20

C.血浆HCO₃^-／H₂CO₃=20

D.血浆HCO₃^-／H₂CO₃＞40

E.血浆HCO₃^-／H₂CO₃＜40

男性，45岁。左腰部胀痛、少尿伴恶心呕吐7天入院。既往有排石史。查体：左肾区压痛、叩痛明显。血清肌酐1050μmol/L，血钾5.9mmol／L，尿常规：高倍镜下红细胞充满视野，白细胞2～3/HP。B超检查：左肾为孤立肾，伴肾盂积水及左输尿管上段扩张。尿路X线平片：肠道积气重，左输尿管中段可疑结石。根据患者情况，目前还需要补充的检查是（）

A.放射性核素肾图

B.输尿管镜检查

C.MRI

D.KUB+IVU

E.CT