为了确定病原体在采集呼吸道培养标本时尽可能在() A.多种强力抗菌药物治疗后 B.抗

题型:单项选择题

问题:

为了确定病原体在采集呼吸道培养标本时尽可能在()

A.多种强力抗菌药物治疗后

B.抗生素应用后

C.抗生素应用前

D.抗感染治疗72小时后

E.抗感染治疗48小时后

考点:甘肃住院医师呼吸内科Ⅱ阶段肺部感染肺部感染题库
题型:单项选择题

某投资者二月份以300点的权利金买进一张执行价格为10500点的5月恒指看涨期权,同时又以200点的权利金买进一张执行价格为10000点5月恒指看跌期权,则当恒指跌破()点或者上涨超过()点时就盈利了。

A.(10200,10300)

B.(10300,10500)

C.(9500,11000)

D.(9500,10500)

题型:单项选择题

用稀释涂布平板法来统计样品中活菌的数目。在某稀释浓度下某同学做了若干个平板并统计每个平板的菌落数,最接近样品中菌体数真实值的是[ ]

A.菌落数量最多的平板

B.菌落数量最少的平板

C.菌落数量适中的平板

D.取若干个平板菌落数量的平均值

题型:单项选择题

第二节:根据对话内容,从对话后的选项中选出能填入空白出的最佳选项。选项中有两项为多余选项。
----Lovely day, isn't it?
----Mm, yes,  61  And it's supposed to get warmer.
----Yes, that's true. You know, though, I'm always a little worried to see winter go.
-----   62 
-----Well, I love skating. In fact, I used to teach skating for a living.
-----Oh? That sounds interesting.  63 
-----I work at Bank of America. How about you?
-----   64 
-----Here?
-----No, I'm from Chicago. I'm just visiting here for the wedding.
----Oh, I see.
----By the way,  65 I'm Helen Keller.
----Nice to meet you. My name is John Smith.
A.But what do you do now?

20090425

B.It's very cold.

C.It's really warm.
D.I guess I should introduce myself.
E. I'm on the radio station.
F.What' your name?
G. Really?
题型:单项选择题

如果没有把样品研磨得很细,对装样有何影响?对测定的熔点数据可靠否?

题型:单项选择题

尿红细胞形态学检查可判断()

A.原发性与继发性肾小球疾病

B.泌尿系畸形与肿瘤性血尿

C.肾小球性血尿与肿瘤性血尿

D.肾炎性血尿与肾病性血尿

E.感染性血尿与非感染性血尿

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