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【简答题】
图示对称星形联接三相电路,线电压 V。若此时图中p点处发生断路,则电压表读数为____V。若图中m点处发生断路,则此时电压表读数为____V。若图中m点、p点两处同时发生断路,则此时电压表读数为____V。(保留整数)
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举一反三
【单选题】The active sentence is given first. Complete the passive sentence with the correct verb to match the same tense as the active sentence. A: Two instructors scored the tests. P: The tests ________ score...
A.
are
B.
were
C.
have been
D.
will be
【单选题】The active sentence is given first. Complete the passive sentence with the correct verb to match the same tense as the active sentence. A: Two instructors score the tests. P: The tests ________ scored...
A.
are
B.
were
C.
have been
D.
will be
【简答题】Match each idiom or phrasal verb with the correct definition.
【简答题】假定生产X产品使用A、B两种要素，则A的价格下降必导致B的使用量增加。( )
【单选题】Match the words with their meanings in the context of the passage. mood
A.
state of mind
B.
form of a verb
【单选题】The active sentence is given first. Complete the passive sentence with the correct verb to match the same tense as the active sentence. A: Two instructors have scored the tests. P: The tests ________ ...
A.
are
B.
were
C.
have been
D.
will be
【多选题】不同岩层或岩体相覆盖我们称为接触关系,岩浆岩与沉积岩的接触关系有侵入接触和沉积接触。沉积岩与沉积岩层之间的接触关系有(多选)
A.
整合接触
B.
平行不整合接触
C.
角度不整合接触
D.
穿插接触
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