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【单选题】
Hardly the helicopter _______ when the waiting crowd ran toward it.
A.
had...landed
B.
has...landed
C.
did...landed
D.
was... landing
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参考答案：
举一反三
【简答题】将下面程序补充完整。 public class PowerCale { 　public static void main(String[] args) { 　　double x=5.0； 　　System.out.println(x+"to the power 4 is"+power(x,4))； 　　System.out.println("7.5 to the power 5 is"+power...
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【单选题】Judicial review refers to the power of the federal courts to __________.
A.
make the final interpretation of the Constitution.
B.
declare a legislative or executive act invalid if it violates the Constitution.
C.
extend the judiciary power into the realm of the executive branch.
D.
forbid the federal government from contracting with employers who permanently replaced striking employees.
查看完整题目与答案
【简答题】一铁芯线圈接在10V直流电压源上，测得电流为5A。如将其接在100V正弦交流电源上，测得功率为l 00W，cosψ=0．5，在忽略铁芯漏磁通时，求铁损PFe。
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【判断题】铁芯线圈输入正弦交流电时，铁芯中的磁通不按正弦变化。
A.
正确
B.
错误
查看完整题目与答案
【多选题】在交流电路中,铁芯线圈的铁芯对线圈的电性能的影响为( )
A.
增大线圈的感抗
B.
使线圈感抗不是常数
C.
由于铁芯发热，线圈功率损耗增加
D.
若电压为正弦波，则电流为非正弦波
E.
使线圈的电阻增大。
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【单选题】In the case of the far-left government，what will happen to the power of the government
A.
The power of government becomes larger
B.
The power of government becomes weaker
C.
No change at all
D.
As appropriate, and in different situations the changes are different
查看完整题目与答案
【单选题】THey talked __low voices in order not to be heard.
A.
at
B.
by
C.
on
D.
in
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【简答题】Power output by the clutch is mainly driven by the formation of tangency between one or more drive components connected to the engine crankshaft and others connected to the power input shaft.
查看完整题目与答案
【单选题】The two men talked in a low voice, ____nobody heard what they were saying.
A.
so that
B.
as if
C.
because
D.
when
查看完整题目与答案
【单选题】They talked ______ a low voice in order not to be heard.
A.
at
B.
by
C.
on
D.
in
查看完整题目与答案
相关题目：
【简答题】将下面程序补充完整。 public class PowerCale { 　public static void main(String[] args) { 　　double x=5.0； 　　System.out.println(x+"to the power 4 is"+power(x,4))； 　　System.out.println("7.5 to the power 5 is"+power...
查看完整题目与答案
【单选题】Judicial review refers to the power of the federal courts to __________.
A.
make the final interpretation of the Constitution.
B.
declare a legislative or executive act invalid if it violates the Constitution.
C.
extend the judiciary power into the realm of the executive branch.
D.
forbid the federal government from contracting with employers who permanently replaced striking employees.
查看完整题目与答案
【简答题】一铁芯线圈接在10V直流电压源上，测得电流为5A。如将其接在100V正弦交流电源上，测得功率为l 00W，cosψ=0．5，在忽略铁芯漏磁通时，求铁损PFe。
查看完整题目与答案
【判断题】铁芯线圈输入正弦交流电时，铁芯中的磁通不按正弦变化。
A.
正确
B.
错误
查看完整题目与答案
【多选题】在交流电路中,铁芯线圈的铁芯对线圈的电性能的影响为( )
A.
增大线圈的感抗
B.
使线圈感抗不是常数
C.
由于铁芯发热，线圈功率损耗增加
D.
若电压为正弦波，则电流为非正弦波
E.
使线圈的电阻增大。
查看完整题目与答案
【单选题】In the case of the far-left government，what will happen to the power of the government
A.
The power of government becomes larger
B.
The power of government becomes weaker
C.
No change at all
D.
As appropriate, and in different situations the changes are different
查看完整题目与答案
【单选题】THey talked __low voices in order not to be heard.
A.
at
B.
by
C.
on
D.
in
查看完整题目与答案
【简答题】Power output by the clutch is mainly driven by the formation of tangency between one or more drive components connected to the engine crankshaft and others connected to the power input shaft.
查看完整题目与答案
【单选题】The two men talked in a low voice, ____nobody heard what they were saying.
A.
so that
B.
as if
C.
because
D.
when
查看完整题目与答案
【单选题】They talked ______ a low voice in order not to be heard.
A.
at
B.
by
C.
on
D.
in
查看完整题目与答案
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