皮皮学,免费搜题
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【单选题】
下列统计指标中,属于时期指标的是( )
A.
机器台数
B.
第三产业净产值
C.
企业数
D.
耕地面积
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举一反三
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第4空的答案是__________
【单选题】当某组数据的偏态系数为零时,该组数据的众数,均值和中位数三者之间的关系为()。(A)均值>中位数>众数 (B)众数>中位数>均值 (C) 均值>众数>中位数 (D)三者相等
A.
A
B.
B
C.
C
D.
D
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第5空的答案是__________
【单选题】当某组数据的偏态系数为零时,该组数据的众数,均值和中位数三者之间的关系为()。
A.
均值>中位数>众数
B.
众数>中位数>均值
C.
均值>众数>中位数
D.
三者相等
【单选题】病毒的血凝与血凝抑制实验属于:
A.
凝集试验
B.
沉淀试验
C.
补体结合试验
D.
中和实验
【单选题】某字段希望存放电话号码,该字段应选用()数据类型。
A.
char(10)
B.
varchar(13)
C.
text
D.
int
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第1空的答案是__________
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第2空的答案是__________
【单选题】病毒的血凝抑制实验属于( )。
A.
凝集试验
B.
沉淀试验
C.
补体结合试验
D.
中和试验
【单选题】A:Hello. Is that Meiwei Restaurant? B:Yes. ______1________? A:I want to know if you send take-away food? B:Sure. A:I’d like to order for dinner. B: ______2_______ A:I’d like to have beef with potatoes...
A.
Is there anything else?
B.
Room 201 in Hengyu Building.
C.
What would you like to have?
D.
You can pay us on the internet.
E.
What can I do for you? 第3空的答案是__________
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