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【单选题】
恶性肿瘤常用的化疗方法不包括
A.
序贯疗法
B.
冲击疗法
C.
中剂量脉冲治疗
D.
小剂量每天给药
E.
雾化吸入疗法
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参考答案：
举一反三
【单选题】在坐标镗床上镗削圆锥角为a的圆锥孔时,镗刀的轴向进给量L与镗刀的径向进给量H需要保持规定的比值()。
A.
tan a = H/L
B.
tan =H/L
C.
=H/L
D.
=H/L
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【单选题】The only practical method of maintaining a constant voltage output from an aircraft generator under varying conditions of speed and load is to vary the _______________.
A.
strength of the magnetic field
B.
number of conductors in the armature
C.
speed at which the armature rotates
D.
brush pressure on the commutator segments
查看完整题目与答案
【单选题】内部报告形成阶段的起点是( )
A.
建立内部报告及指标体系
B.
收集整理内外信息
C.
形成内部报告
D.
审核内部报告
查看完整题目与答案
【单选题】在坐标镗床上镗削圆锥角为α的圆锥孔时，镗刀的轴向进给量L与镗刀的径向进给量H需要保持规定的比值（）。
A.
tanα=
B.
tan=
C.
sinα=
D.
cosα=
查看完整题目与答案
【单选题】The speed of a synchronous machine is directly proportional to () in its armature under steady-state conditions
A.
the amplitude of the current
B.
the frequency of the current
C.
the amplitude ofthe voltage
D.
the flux
查看完整题目与答案
【简答题】请填入连接词:that,but,who,whereby,where,whence,as,than,which 1.There is no material will deform(形变)more or less under the action of forces . 2.Ohm’s law can be written as V = IR V represents voltage, I — cu...
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【判断题】In the under-voltage state, there are two peaks in the current ic. ( )
A.
正确
B.
错误
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【判断题】In the under-voltage status, there are two peaks in the current i c.
A.
正确
B.
错误
查看完整题目与答案
【单选题】For two AC contactors of the same type, the rated voltage of the coil is 220V. If the coils of the two contactors are used in series under the voltage of 220V, the main contact ( ).
A.
both don't act
B.
one acts, another not
C.
both acts
D.
None of  the above is correct
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【单选题】某船夜间航行，航向002º，海图上在航线左正横附近及左前方有标注灯塔的两个小岛，查灯标表得：左正横A岛的灯塔为：F1（2）6s 10M备注栏：W060º～150º（090º）。左前方B灯塔为：F1（2）5s 13M，则该船驾驶员用罗经：
A.
可先测B后测A灯塔定位
B.
可测B灯塔，无法测A灯塔
C.
可测A灯塔、无法测B灯塔
D.
可按任意顺序观测A．B灯塔
查看完整题目与答案
相关题目：
【单选题】在坐标镗床上镗削圆锥角为a的圆锥孔时,镗刀的轴向进给量L与镗刀的径向进给量H需要保持规定的比值()。
A.
tan a = H/L
B.
tan =H/L
C.
=H/L
D.
=H/L
查看完整题目与答案
【单选题】The only practical method of maintaining a constant voltage output from an aircraft generator under varying conditions of speed and load is to vary the _______________.
A.
strength of the magnetic field
B.
number of conductors in the armature
C.
speed at which the armature rotates
D.
brush pressure on the commutator segments
查看完整题目与答案
【单选题】内部报告形成阶段的起点是( )
A.
建立内部报告及指标体系
B.
收集整理内外信息
C.
形成内部报告
D.
审核内部报告
查看完整题目与答案
【单选题】在坐标镗床上镗削圆锥角为α的圆锥孔时，镗刀的轴向进给量L与镗刀的径向进给量H需要保持规定的比值（）。
A.
tanα=
B.
tan=
C.
sinα=
D.
cosα=
查看完整题目与答案
【单选题】The speed of a synchronous machine is directly proportional to () in its armature under steady-state conditions
A.
the amplitude of the current
B.
the frequency of the current
C.
the amplitude ofthe voltage
D.
the flux
查看完整题目与答案
【简答题】请填入连接词:that,but,who,whereby,where,whence,as,than,which 1.There is no material will deform(形变)more or less under the action of forces . 2.Ohm’s law can be written as V = IR V represents voltage, I — cu...
查看完整题目与答案
【判断题】In the under-voltage state, there are two peaks in the current ic. ( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】In the under-voltage status, there are two peaks in the current i c.
A.
正确
B.
错误
查看完整题目与答案
【单选题】For two AC contactors of the same type, the rated voltage of the coil is 220V. If the coils of the two contactors are used in series under the voltage of 220V, the main contact ( ).
A.
both don't act
B.
one acts, another not
C.
both acts
D.
None of  the above is correct
查看完整题目与答案
【单选题】某船夜间航行，航向002º，海图上在航线左正横附近及左前方有标注灯塔的两个小岛，查灯标表得：左正横A岛的灯塔为：F1（2）6s 10M备注栏：W060º～150º（090º）。左前方B灯塔为：F1（2）5s 13M，则该船驾驶员用罗经：
A.
可先测B后测A灯塔定位
B.
可测B灯塔，无法测A灯塔
C.
可测A灯塔、无法测B灯塔
D.
可按任意顺序观测A．B灯塔
查看完整题目与答案
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