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【简答题】
已知a 5 -a 4 b-a 4 +a-b-1=0，且2a-3b=1，则a 3 +b 3 的值等于______．
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举一反三
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A.
protected
B.
guarded
C.
defended
D.
sheltered
【单选题】Her family was subjected to a (hideous ) attack by the gang. Hideous means _____
A.
sudden
B.
slight
C.
horrible
D.
fatal
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【简答题】(6)图1.14所示电路,若I=0, Ω,则 =____Ω, =___V, ___V。
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【简答题】¿Es Ema ............. (él) novia?
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