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【简答题】
机器具有的共同特征是: 它是由许多____组成的;各运动实体之间具有确定的____;能代替或减轻人类的劳动,能够___或___能量、物料和信息。
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参考答案：
举一反三
【单选题】The existing law states that ______.
A.
convictions can be made on confessions and statements taken by police officers from accused persons are valid legal evidence
B.
convictions can't be made on confessions alone and there should be a third party when taking statements from accused persons
C.
convictions can be made on confessions and a third party should be present when taking statements from accused persons
D.
convictions can't be made on confessions alone and the statements taken by police officers from accused persons are valid legal evidence
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【单选题】The existing law States that ______.
A.
convictions can be made on confessions and statements taken by police officers from accused persons and are valid legal evidence
B.
convictions can't be made on confessions alone and there should be a third party when tak ing statements from accused persons
C.
convictions can be made on confessions and a third party should be present when taking statements from accused persons
D.
convictions can't be made on confessions alone and the statements taken by police officers from accused persons are valid legal evidence
查看完整题目与答案
【单选题】我国基本比例尺地形图采用的分幅方法市( )
A.
矩形分幅
B.
经纬线分幅
C.
行列式分幅
D.
任意分幅
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【单选题】The law KCL states that( )
A.
The algebraic sum of the current around any closed path is zero.
B.
The algebraic sum of the currents entering any node is zero.
C.
The algebraic sum of the voltage around any closed path is zero.
D.
The algebraic sum of the voltage entering any node is zero.
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【单选题】我国基本比例尺地形图采用( )分幅方法
A.
正方形
B.
平行四边形
C.
矩形
D.
梯形
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【多选题】硒的来源主要有
A.
海产品
B.
谷物胚乳
C.
动物内脏
D.
绿色蔬菜
E.
水果
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【简答题】硒的主要食物来源是什么?
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【单选题】The existing law states that ______.
A.
convictions can be made on confessions and statements taken by police officers from accused persons are valid legal evidence
B.
convictions can’t be made on confessions alone and there should be a third party when taking statements from accused persons
C.
convictions can be made on confessions and a third party should be present when taking statements from accused per sons
D.
convictions can’t be made on confession alone and the statements taken by police officers from accused persons are valid legal evidence
查看完整题目与答案
【单选题】盖板梳棉机上第一落杂区长度与梳棉机总落棉率的关系是()。
A.
第一落杂区长度越小，梳棉机总落棉率越大
B.
第一落杂区长度越大，梳棉机总落棉率越大
C.
第一落杂区长度与梳棉机总落棉率的多少无关
D.
上面三种关系都不对
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【单选题】Kirchhoff's current law states that
A.
the sum of the currents entering a junction must equal zero
B.
the total current entering a given junction is constant, even with changes in supply voltage
C.
the sum of the currents entering a junction must equal the sum of the currents leaving the junction
D.
the sum of the currents around a closed loop is zero
查看完整题目与答案
相关题目：
【单选题】The existing law states that ______.
A.
convictions can be made on confessions and statements taken by police officers from accused persons are valid legal evidence
B.
convictions can't be made on confessions alone and there should be a third party when taking statements from accused persons
C.
convictions can be made on confessions and a third party should be present when taking statements from accused persons
D.
convictions can't be made on confessions alone and the statements taken by police officers from accused persons are valid legal evidence
查看完整题目与答案
【单选题】The existing law States that ______.
A.
convictions can be made on confessions and statements taken by police officers from accused persons and are valid legal evidence
B.
convictions can't be made on confessions alone and there should be a third party when tak ing statements from accused persons
C.
convictions can be made on confessions and a third party should be present when taking statements from accused persons
D.
convictions can't be made on confessions alone and the statements taken by police officers from accused persons are valid legal evidence
查看完整题目与答案
【单选题】我国基本比例尺地形图采用的分幅方法市( )
A.
矩形分幅
B.
经纬线分幅
C.
行列式分幅
D.
任意分幅
查看完整题目与答案
【单选题】The law KCL states that( )
A.
The algebraic sum of the current around any closed path is zero.
B.
The algebraic sum of the currents entering any node is zero.
C.
The algebraic sum of the voltage around any closed path is zero.
D.
The algebraic sum of the voltage entering any node is zero.
查看完整题目与答案
【单选题】我国基本比例尺地形图采用( )分幅方法
A.
正方形
B.
平行四边形
C.
矩形
D.
梯形
查看完整题目与答案
【多选题】硒的来源主要有
A.
海产品
B.
谷物胚乳
C.
动物内脏
D.
绿色蔬菜
E.
水果
查看完整题目与答案
【简答题】硒的主要食物来源是什么?
查看完整题目与答案
【单选题】The existing law states that ______.
A.
convictions can be made on confessions and statements taken by police officers from accused persons are valid legal evidence
B.
convictions can’t be made on confessions alone and there should be a third party when taking statements from accused persons
C.
convictions can be made on confessions and a third party should be present when taking statements from accused per sons
D.
convictions can’t be made on confession alone and the statements taken by police officers from accused persons are valid legal evidence
查看完整题目与答案
【单选题】盖板梳棉机上第一落杂区长度与梳棉机总落棉率的关系是()。
A.
第一落杂区长度越小，梳棉机总落棉率越大
B.
第一落杂区长度越大，梳棉机总落棉率越大
C.
第一落杂区长度与梳棉机总落棉率的多少无关
D.
上面三种关系都不对
查看完整题目与答案
【单选题】Kirchhoff's current law states that
A.
the sum of the currents entering a junction must equal zero
B.
the total current entering a given junction is constant, even with changes in supply voltage
C.
the sum of the currents entering a junction must equal the sum of the currents leaving the junction
D.
the sum of the currents around a closed loop is zero
查看完整题目与答案
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