皮皮学，免费搜题
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【单选题】
如果三极管的基极电流是40μA ,集电极电流是2mA ,则三极管的电流放大系数为
A.
20.0
B.
50.0
C.
200.0
D.
500.0
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【单选题】关于小肠液的叙述,下列哪项是错误的( )
A.
小肠液由十二指肠腺和小肠腺分泌
B.
是一种弱碱性液体
C.
成人每日分泌量1~3L
D.
不含消化酶
E.
小肠液的分泌受神经和体液因素的影响
查看完整题目与答案
【简答题】产品成本中随产量的增加而成比例增加的成本是()。 (A)半可变成本 (B)固定成本 (C)半固定成本 (D)可变成本
查看完整题目与答案
【单选题】产品成本中随产量的增加而成比例增加的成本是( )
A.
可变成本
B.
固定成本
C.
沉没成本
D.
总成本
查看完整题目与答案
【判断题】< 5-溴尿嘧啶引起的是A.T与G.C之间的转换
A.
正确
B.
错误
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【单选题】胡锦涛同志在中央纪律检查委员会第三次全体会议上讲话指出，（）是辨证唯物主义和历史唯物主义以一贯之的科学精神，是我们党的（）的核心内容，也是党的优良传统和共产党人应该具备的政治品格。
A.
与时俱进组织路线
B.
求真务实政治路线
C.
求真务实思想路线
D.
求真务实组织路线
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【单选题】良心是( )统一的产物。
A.
知、情、意
B.
智、德、识
C.
理、情、胆
查看完整题目与答案
【单选题】Grant is a member of a project team. His colleagues in the team rely on him to read and check complex project documentation. Grant has a keen eye for detail and often identifies minor details in docum...
A.
Implementer
B.
Completer-finisher
C.
Monitor-evaluator
D.
Shaper
查看完整题目与答案
【多选题】One of the first videos described the difference between the focused mode and the diffuse mode. According to this video, the focused mode is affiliated with (check all that apply to the concept of foc...
A.
A relaxed, daydream-like approach to problem-solving.
B.
A way of drawing upside down in order to focus on the details, as one of the videos discussed in detail.
C.
Ideas, concepts, and problem-solving techniques that are at least somewhat familiar to you--your previous knowledge lays a sort of underlying neural pathway that you tend to follow.
D.
A pinball machine that has bumpers which are very tightly grouped together, so the pinball (the thought) can't go very far without bumping into a bumper.
查看完整题目与答案
【判断题】Instead of asking “are you clear”, teachers can design questions for the detail of instruction to check that.
A.
正确
B.
错误
查看完整题目与答案
【简答题】在大气压为760mmHg的甲地区,某蒸馏塔真空表读数为738mmHg。若在大气压为655mmHg的乙地区,使蒸馏塔的绝对压力与甲地的相同,则乙地该蒸馏塔的真空表读数应为多少mmHg?请写出计算过程和结果,只写结果不得分。(提示:真空度=大气压-绝对压力 及该公式的变形)
查看完整题目与答案
相关题目：
【单选题】关于小肠液的叙述,下列哪项是错误的( )
A.
小肠液由十二指肠腺和小肠腺分泌
B.
是一种弱碱性液体
C.
成人每日分泌量1~3L
D.
不含消化酶
E.
小肠液的分泌受神经和体液因素的影响
查看完整题目与答案
【简答题】产品成本中随产量的增加而成比例增加的成本是()。 (A)半可变成本 (B)固定成本 (C)半固定成本 (D)可变成本
查看完整题目与答案
【单选题】产品成本中随产量的增加而成比例增加的成本是( )
A.
可变成本
B.
固定成本
C.
沉没成本
D.
总成本
查看完整题目与答案
【判断题】< 5-溴尿嘧啶引起的是A.T与G.C之间的转换
A.
正确
B.
错误
查看完整题目与答案
【单选题】胡锦涛同志在中央纪律检查委员会第三次全体会议上讲话指出，（）是辨证唯物主义和历史唯物主义以一贯之的科学精神，是我们党的（）的核心内容，也是党的优良传统和共产党人应该具备的政治品格。
A.
与时俱进组织路线
B.
求真务实政治路线
C.
求真务实思想路线
D.
求真务实组织路线
查看完整题目与答案
【单选题】良心是( )统一的产物。
A.
知、情、意
B.
智、德、识
C.
理、情、胆
查看完整题目与答案
【单选题】Grant is a member of a project team. His colleagues in the team rely on him to read and check complex project documentation. Grant has a keen eye for detail and often identifies minor details in docum...
A.
Implementer
B.
Completer-finisher
C.
Monitor-evaluator
D.
Shaper
查看完整题目与答案
【多选题】One of the first videos described the difference between the focused mode and the diffuse mode. According to this video, the focused mode is affiliated with (check all that apply to the concept of foc...
A.
A relaxed, daydream-like approach to problem-solving.
B.
A way of drawing upside down in order to focus on the details, as one of the videos discussed in detail.
C.
Ideas, concepts, and problem-solving techniques that are at least somewhat familiar to you--your previous knowledge lays a sort of underlying neural pathway that you tend to follow.
D.
A pinball machine that has bumpers which are very tightly grouped together, so the pinball (the thought) can't go very far without bumping into a bumper.
查看完整题目与答案
【判断题】Instead of asking “are you clear”, teachers can design questions for the detail of instruction to check that.
A.
正确
B.
错误
查看完整题目与答案
【简答题】在大气压为760mmHg的甲地区,某蒸馏塔真空表读数为738mmHg。若在大气压为655mmHg的乙地区,使蒸馏塔的绝对压力与甲地的相同,则乙地该蒸馏塔的真空表读数应为多少mmHg?请写出计算过程和结果,只写结果不得分。(提示:真空度=大气压-绝对压力 及该公式的变形)
查看完整题目与答案