数据处理的特点是(),而且输出格式一般都是固定的。A.重复性; B.单一性; C.复

题型:单项选择题

问题:

数据处理的特点是(),而且输出格式一般都是固定的。

A.重复性;

B.单一性;

C.复杂性;

D.顺序性。

考点:秘书资格考试第二章办公自动化基础第二章办公自动化基础题库
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创建 【11】 是加快表的查询速度的有效手段。

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VITEK微生物自动鉴定及药敏分析系统是 ()

A.采用光电比色法,测定微生物分解底物导致pH值改变而产生的不同颜色,来判断反应的结果

B.采用传统呈色反应法,同时采用敏感度极高的快速荧光测定技术来检测细菌胞外酶

C.采用荧光增强技术与传统酶、底物生化呈色反应相结合

D.底物中加入酶基质,不同的细菌作用于不同的底物,激发出不同强度的荧光

E.利用微生物对不同碳源代谢率的差异

题型:单项选择题

早晨,天很阴沉,有可能______.

题型:单项选择题

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (1) , she said she would go. This (2) be the first time that his classmates and teacher (3) his mother and he felt (4) of her appearance. Although she was a beautiful woman, there was a severe sear (疤痕) that (5) nearly the entire right side of her face. The boy never wanted to (6) why or how she got the sear.At the meeting, the people were (7) by the kindness and natural beauty of his mother (8) the sear, but the little boy was still embarrassed (尴尬) and (9) himself from everyone. He did, however, get within (10) of a conversation between his mother and his teacher.The teacher asked (11) ," How did you get the scar on your face"The mother replied, " (12) my son was a baby, he was in a room that caught fire. Everyone was (13) afraid to go in because the fire was (14) , so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked (15) but fortunately, a fireman came in and saved both of us. " She (16) the burned side of her face. "This scar will be (17) , but to this day, I have never (18) what I did. "At this moment, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great (19) of the sacrifice (牺牲) that his mother had made for him. He held her hand (20) for the rest of the day.

 

第(8)空应选择()

A.in sight of     

B.by means of  

C.by way of   

D.in spite of

题型:单项选择题

正常人消化道内铁吸收效率最高的部位是

A.胃
B.十二指肠及空肠上部
C.空肠
D.回肠
E.回盲部

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