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【单选题】
进行重复随机抽样,为使抽样误差减少到原来的75%(平均数的抽样误差),抽样单位数必须( )。
A.
是原来的16／9倍
B.
是原来的4／3倍
C.
是原来的4倍
D.
是原来的16倍
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参考答案：
举一反三
【单选题】反映肝细胞受损、膜通透性增加的血清酶是
A.
GGT
B.
ALT
C.
MAO
D.
ALP
查看完整题目与答案
【单选题】Mr. Xue enjoyed ________ by working in Yangzhou-Taizhou Airport because he always hates ________ while staying alone at home all day long.
A.
itself; that
B.
himself; it
C.
it; it
D.
him; that
查看完整题目与答案
【单选题】As more women in the United States are working now, more are finding it necessary to make business trips alone. Since this is still new for many, some tips are certainly in order. If you are married, ...
A.
Working women who have no time for cooking.
B.
Husbands and children of working women.
C.
Working women traveling by themselves.
D.
Restaurant managers who serve working women.
查看完整题目与答案
【多选题】随着天然大理石石材加工工艺的不断改进，厚度较小的板材也开始应用于装饰工程，常见的厚度有(    )mm等，也称为薄板。
A.
4    
B.
5    
C.
7    
D.
8    
E.
10
查看完整题目与答案
【简答题】随着天然大理石石材加工工艺的不断改进，厚度较小的板材也开始应用于装饰工程，常见的厚度有（ ）等，亦称为薄板。
查看完整题目与答案
【单选题】反映肝细胞受损 、 膜通透性增加的 血清酶 是
A.
GGT
B.
ALT
C.
MAO
D.
CHE
查看完整题目与答案
【判断题】顾客也是酒店最重要的环境因素。
A.
正确
B.
错误
查看完整题目与答案
【单选题】常见石板材的厚度为
A.
6mm
B.
8mm
C.
10mm
D.
20mm
查看完整题目与答案
【单选题】As more women in the United States are working now, more are finding it necessary to make business trips alone. Since this is still new for many, some tips are certainly in order. If you are married, ...
A.
Working women who have no time for cooking.
B.
Husbands and children of working women.
C.
Working women traveling by themselves.
D.
Restaurant managers who serve working women.
查看完整题目与答案
【单选题】社会主义核心价值观要求我们在生活、学习、工作中讲文明,下列行为中,属于不文明的是
A.
洗手后应及时关水龙头，节约水资源
B.
机动车在高速公路上行驶，车速达到100km/h或以上，与同车道前车应保持100米以上的距离
C.
在行驶的车上可以从车窗向外抛垃圾
D.
走进阅览室说话声音大小不要超过40分贝
查看完整题目与答案
相关题目：
【单选题】反映肝细胞受损、膜通透性增加的血清酶是
A.
GGT
B.
ALT
C.
MAO
D.
ALP
查看完整题目与答案
【单选题】Mr. Xue enjoyed ________ by working in Yangzhou-Taizhou Airport because he always hates ________ while staying alone at home all day long.
A.
itself; that
B.
himself; it
C.
it; it
D.
him; that
查看完整题目与答案
【单选题】As more women in the United States are working now, more are finding it necessary to make business trips alone. Since this is still new for many, some tips are certainly in order. If you are married, ...
A.
Working women who have no time for cooking.
B.
Husbands and children of working women.
C.
Working women traveling by themselves.
D.
Restaurant managers who serve working women.
查看完整题目与答案
【多选题】随着天然大理石石材加工工艺的不断改进，厚度较小的板材也开始应用于装饰工程，常见的厚度有(    )mm等，也称为薄板。
A.
4    
B.
5    
C.
7    
D.
8    
E.
10
查看完整题目与答案
【简答题】随着天然大理石石材加工工艺的不断改进，厚度较小的板材也开始应用于装饰工程，常见的厚度有（ ）等，亦称为薄板。
查看完整题目与答案
【单选题】反映肝细胞受损 、 膜通透性增加的 血清酶 是
A.
GGT
B.
ALT
C.
MAO
D.
CHE
查看完整题目与答案
【判断题】顾客也是酒店最重要的环境因素。
A.
正确
B.
错误
查看完整题目与答案
【单选题】常见石板材的厚度为
A.
6mm
B.
8mm
C.
10mm
D.
20mm
查看完整题目与答案
【单选题】As more women in the United States are working now, more are finding it necessary to make business trips alone. Since this is still new for many, some tips are certainly in order. If you are married, ...
A.
Working women who have no time for cooking.
B.
Husbands and children of working women.
C.
Working women traveling by themselves.
D.
Restaurant managers who serve working women.
查看完整题目与答案
【单选题】社会主义核心价值观要求我们在生活、学习、工作中讲文明,下列行为中,属于不文明的是
A.
洗手后应及时关水龙头，节约水资源
B.
机动车在高速公路上行驶，车速达到100km/h或以上，与同车道前车应保持100米以上的距离
C.
在行驶的车上可以从车窗向外抛垃圾
D.
走进阅览室说话声音大小不要超过40分贝
查看完整题目与答案
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