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【简答题】
已知以下电流最大值相量的极坐标,请写出电流的瞬时值表 =25∠15° A, i= A =100∠-30° A, i= A
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举一反三
【单选题】How does paragraph 7 relate to the earlier discussion of infantile amnesia?
A.
It introduces a new theory about the causes of infantile amnesia.
B.
It argues that particular theories discussed earlier in the passage require further research.
C.
It explains how particular theories discussed earlier in the passage may work in combination.
D.
It evaluates which of the theories discussed earlier is most likely to be true.
【单选题】How does the speaker relate to her audience?
A.
By means of contrast between our life with bees and without bees.
B.
By going straight to the point by introducing hand pollination.
C.
By showing us the tomato flowers.
D.
By showing how bumble bees vibrate the plants.
【单选题】How does the author relate to sounds at night?
A.
He imagines sounds that do not exist.
B.
He exaggerates quiet sounds.
C.
He thinks taps should be turned off.
D.
He believes it's rather quiet at night.
【单选题】How does a collectivist relate to ingroups?
A.
They would do their best to help and concern about each other.
B.
They are very "cool" to outgroups.
C.
They would expect less preferential treatment from ingroups.
D.
They are friendly to outgroups as weel as to ingroups.
【简答题】Moby-Dick features several seemingly insane characters. How does insanity relate to this story? How do these characters contrast with one another?
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