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【简答题】
串直流电动机的励磁绕组与电枢绕组相()联,电枢电流()励磁绕组电流,并与总电流()。
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皮皮学刷刷变学霸
举一反三
【单选题】1 When America had an energy crisis, our leaders responded by creating the Department of Energy. When we perceived shortcomings in our schools, the Department of Education was formed. Likewise, the te...
A.
Because he also thinks of it as necessary.
B.
Because the Congress is obedient to the President.
C.
Because it is a symbol of the leaders' active response.
D.
Because terrorism is hard to crack down.
【单选题】40 Public lands can be used for energy development when_____.
A.
energy development restrictions are effective.
B.
federal land managers grant permissions.
C.
they go through the land use planning process.
D.
there is enough federal budget.
【单选题】When it comes to fighting poverty, the Harlem Children's Zone______.
A.
stresses more on crime prevention
B.
emphasizes an all-around system
C.
condemns parents as a hindrance
D.
sees excellent education as the sole way
【单选题】王某的生父及与王某形成了抚养教育关系的继父先后死亡，王某（ ）。
A.
只能继承生父的遗产
B.
只能继承继父的遗产
C.
既能继承生父的遗产，又能继承继父的遗产
D.
可以选择其一继承
【单选题】The cells of your body develop supplies of energy ______.
A.
when you are asleep
B.
when you recover from your work of the day
C.
in the next period of activity
D.
when you are quiet
【单选题】Public lands can be used for energy development when __________. 查看材料
A.
energy development restrictions are effective
B.
federal land managers grant permissions
C.
they go through the land use planning process
D.
there is enough federal budget
【单选题】Chemical energy is generated__________ 查看材料
A.
when it is absorbed by matter
B.
when it is cloudy
C.
because they can pass through solid objects
D.
when the sunrays are fierce
E.
when a change in the nucleus of an atom takes place
F.
when electron rearrangement takes place
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