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【单选题】
某小组40名职工,每人工作天数相同。其中20人每天工作10小时,15人每人工作8小时,5人每天工作6小时。则计算该组职工平均每天工作应采用( )
A.
加权调和平均数
B.
加权算术平均数
C.
简单算术平均数
D.
简单调和平均数
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举一反三
【单选题】His list, in descending order of importance, was: .(Para. 4)
A.
His list contains ten items: energy, water, food, environment, poverty, terrorism and war, disease, education, democracy, and population. They are arranged in such a way that each item is more important than the one that follows it.
B.
The ten items on his list—energy, water, food, environment, poverty, terrorism and war, disease, education, democracy, and population—are gradually losing importance now.
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【简答题】教师的语言包括( )和( )
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【多选题】配送与运输是不同的,配送具有( )特点
A.
二次运输
B.
干线运输
C.
门到门服务
D.
中转型送货
E.
直达送货
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【单选题】当焊条的药皮中含有较多的( ) 时会降低电弧燃烧的稳定性。
A.
钾
B.
硝
C.
钙
D.
氟化物
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【单选题】"Among his papers was found a list of suggested plots for future stories."What is the normal sentence order?
A.
Among his papers was found a list of suggested plots for future stories
B.
His papers was found a list of suggested plots for future stories among
C.
A list of suggested plots for future stories was found among his papers
D.
A list of suggested plots for future stories found among was his papers
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【单选题】当焊条药皮中含有较多氟化物时，电弧燃烧的稳定性会( )。
A.
提高
B.
降低
C.
无影响
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【单选题】鉴别志贺菌与无动力、乳糖阴性的大肠埃希菌，应采用 A、KIA、MIU
B.
IMViC
C.
苯丙氨酸脱氨酶、葡萄糖酸盐试验
D.
乙酸钠、黏质酸盐、葡萄糖铵利用试验
E.
肠道选择鉴别培养基
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【单选题】鉴别志贺菌与无动力、乳糖阴性的大肠埃希菌,应采用
A.
KIA、MIU
B.
IMViC
C.
苯丙氨酸脱氨酶、葡萄糖酸盐试验
D.
乙酸钠、黏质酸盐、葡萄糖铵利用试验
E.
肠道选择鉴别培养基
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【简答题】He continued his __________, the muscles in his calves contracting in spasms. (descend)
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【简答题】教师的语言包括口头语言、____________、体态语言三种。
查看完整题目与答案
相关题目：
【单选题】His list, in descending order of importance, was: .(Para. 4)
A.
His list contains ten items: energy, water, food, environment, poverty, terrorism and war, disease, education, democracy, and population. They are arranged in such a way that each item is more important than the one that follows it.
B.
The ten items on his list—energy, water, food, environment, poverty, terrorism and war, disease, education, democracy, and population—are gradually losing importance now.
查看完整题目与答案
【简答题】教师的语言包括( )和( )
查看完整题目与答案
【多选题】配送与运输是不同的,配送具有( )特点
A.
二次运输
B.
干线运输
C.
门到门服务
D.
中转型送货
E.
直达送货
查看完整题目与答案
【单选题】当焊条的药皮中含有较多的( ) 时会降低电弧燃烧的稳定性。
A.
钾
B.
硝
C.
钙
D.
氟化物
查看完整题目与答案
【单选题】"Among his papers was found a list of suggested plots for future stories."What is the normal sentence order?
A.
Among his papers was found a list of suggested plots for future stories
B.
His papers was found a list of suggested plots for future stories among
C.
A list of suggested plots for future stories was found among his papers
D.
A list of suggested plots for future stories found among was his papers
查看完整题目与答案
【单选题】当焊条药皮中含有较多氟化物时，电弧燃烧的稳定性会( )。
A.
提高
B.
降低
C.
无影响
查看完整题目与答案
【单选题】鉴别志贺菌与无动力、乳糖阴性的大肠埃希菌，应采用 A、KIA、MIU
B.
IMViC
C.
苯丙氨酸脱氨酶、葡萄糖酸盐试验
D.
乙酸钠、黏质酸盐、葡萄糖铵利用试验
E.
肠道选择鉴别培养基
查看完整题目与答案
【单选题】鉴别志贺菌与无动力、乳糖阴性的大肠埃希菌,应采用
A.
KIA、MIU
B.
IMViC
C.
苯丙氨酸脱氨酶、葡萄糖酸盐试验
D.
乙酸钠、黏质酸盐、葡萄糖铵利用试验
E.
肠道选择鉴别培养基
查看完整题目与答案
【简答题】He continued his __________, the muscles in his calves contracting in spasms. (descend)
查看完整题目与答案
【简答题】教师的语言包括口头语言、____________、体态语言三种。
查看完整题目与答案