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【单选题】
下列纯培养、无菌操作技术中,( )是错误的。A.
在无菌条件下，对单独一种微生物进行培养；
B.
在微生物的分离、转接、培养过程中，需采取一定措施，尽量减少杂菌的传入，从而保证微生物的纯培养；
C.
接种前工作台面、操作人员双手需用95%酒精擦拭消毒；
D.
接种工具和容器口部在接种前后须经火焰灼烧灭菌；
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举一反三
【单选题】关于输尿管结石错误的是（）
A.
多数是由肾结石下移而来的
B.
易存留在输尿管的生理狭窄处
C.
常表现腹部绞痛向会阴部放射
D.
典型结石多呈长圆形或梭形致密影
E.
所有输尿管结石在平片上均不显影
【简答题】What are the aims of studying second language acquisition?
【单选题】在腹部平片上不显影的尿结石是 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
磷酸盐结石
B.
草酸盐结石
C.
碳酸盐结石
D.
尿酸结石
E.
混合结石
【简答题】A．assumption B．consumption C．presumption D．acquisition
【单选题】In a step acquisition, which of the following statements is false?
A.
The acquisition method views a step acquisition essentially the same as a single step acquisition.
B.
Income from subsidiary is computed by applying a partial year for a new purchase acquired during the year.
C.
Income from subsidiary is computed for the entire year for a new purchase acquired during the year.
D.
Obtaining control through a step acquisition is a significant measurement event.
E.
Pre-acquisition earnings are not included in the consolidated income statement.
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