能特异性抑制原核生物RNA聚合酶的是A.利福平B.鹅膏蕈碱C.假尿嘧啶D.亚硝酸...

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【单选题】

能特异性抑制原核生物RNA聚合酶的是

利福平

鹅膏蕈碱

假尿嘧啶

亚硝酸盐

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举一反三

【多选题】动车组被迫停在接触网分相区时,司机应及时报告列车调度员或车站值班员。由列车调度员、供电调度、动车司机根据动车组类型、停车位置、牵引供电设备状况,共同确定采用的方案有()。

退行闯分相

向接触网无电区送电

换弓

开行救援列车

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【判断题】晶闸管装置的容量愈大,对电网的影响就愈小。 ( )

正确

错误

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【单选题】在AutoCAD中,下列坐标中表示相对直角坐标输入方式的是

@60,90

60,90

60<90

@60<90

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【判断题】异步电动机定子绕阻产生旋转磁场。

正确

错误

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【单选题】What can be inferred from the example of the ant-lion in the first paragraph?

Instincts of animals can lead to unreasonable reactions in strange situations.

When it is engaged in a chain actions it cannot be interrupted.

Environment and heredity are two supplementary factors in the evolution of insects.

Along the lines of evolution heredity becomes less and environment more important.

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【判断题】异步电动机定子绕阻产生旋转磁场。

正确

错误

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【单选题】AutoCAD中,下列________表示点的绝对极坐标值。

X,Y

@X,Y

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【单选题】AutoCAD中,下列________表示点的相对极坐标值。

X,Y

@X,Y

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【单选题】What does the author intend to illustrate with the example of the Harts?

The difficulty of paying the tuition.

The increasing tuition in the university.

The far-sight of the parents.

The promising future of Katie.

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【单选题】What can the example of Sandra Day O’Connor illustrate?

Keep their eyes on the prize;

Uphold a committed and focused will and spirit;

Harmony comes first.

Have the will to overcome profound obstacles and to work diligently.

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相关题目：

查看完整题目与答案

【判断题】晶闸管装置的容量愈大,对电网的影响就愈小。 ( )

正确

错误

查看完整题目与答案

【单选题】在AutoCAD中,下列坐标中表示相对直角坐标输入方式的是

查看完整题目与答案

【判断题】异步电动机定子绕阻产生旋转磁场。

正确

错误

查看完整题目与答案

【单选题】What can be inferred from the example of the ant-lion in the first paragraph?

Instincts of animals can lead to unreasonable reactions in strange situations.

When it is engaged in a chain actions it cannot be interrupted.

Environment and heredity are two supplementary factors in the evolution of insects.

Along the lines of evolution heredity becomes less and environment more important.

查看完整题目与答案

【判断题】异步电动机定子绕阻产生旋转磁场。

正确

错误

查看完整题目与答案

【单选题】AutoCAD中,下列________表示点的绝对极坐标值。

X,Y

@X,Y

查看完整题目与答案

【单选题】AutoCAD中,下列________表示点的相对极坐标值。

X,Y

@X,Y

查看完整题目与答案

【单选题】What does the author intend to illustrate with the example of the Harts?

The difficulty of paying the tuition.

The increasing tuition in the university.

The far-sight of the parents.

The promising future of Katie.

查看完整题目与答案

【单选题】What can the example of Sandra Day O’Connor illustrate?

Keep their eyes on the prize;

Uphold a committed and focused will and spirit;

Harmony comes first.

Have the will to overcome profound obstacles and to work diligently.

查看完整题目与答案

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