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【单选题】
对称三相负载指的是[ ]。A.
Z 1 =Z 2 = Z 3
B.
| Z 1 | = | Z 2 | = | Z 3 |
C.
φ 1 = φ 2 = φ 3
D.
以上都不对
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举一反三
【单选题】I received a letter， poor spelling made me think it was written by a child．
A.
which
B.
that
C.
whose
D.
who
【单选题】I failed to pass the English exam for my poor spelling. Oh,__________.If you agree,I’d like to help you with your spelling.
A.
nothing
B.
I am sorry to hear that
C.
I’m afraid so
D.
your spelling is so poor
【单选题】“I am sorry I broke your mirror .” “ Oh, really ?______. ”
A.
It’s OK with me.
B.
It doesn’t matter .
C.
Don’t be sorry.
D.
I don’t care.
【单选题】Everything about your composition is perfect ______ the poor spelling.
A.
except
B.
except for
C.
apart from
【简答题】补全对话。 A: I'm anxious, because I 1 find my backpack. B: Really? 2 did you drop it? A: I think I 3 it during the concert. B: So it 4 still be in the symphony hall. Go there to have a look. By the way, 5...
【单选题】小提琴协奏曲《梁山伯与祝英台》以梁祝故事中 “ 相爱 ” 、 “ 抗婚 ” 、 “ ( ) ” 三个主要情节,作为呈示部、展开部、再现部进行交响性概括、推进的。
A.
结婚
B.
化蝶
C.
离别
D.
英台出嫁
【简答题】翻译下列句子。 1. 我马上做。 I'll do it _____ _____ _____. 2. 抱歉，我没能早点给你回信。 Sorry, I _____ _____ _____ to you sooner.
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