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【简答题】
设向量 ， ，则向量 在向量 上的投影为 .
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举一反三
【简答题】Early Modem English was recognizable to the Early Modem speaker during the period of the 15th century to the 17th century, although at that time the word order and______was still slightly different.
【简答题】会计假设主要包括 会计主体、持续经营、会计分期、( )
【单选题】(During) the early stages of the industrial revolution, perhaps (one in every seven) (deaths) in Europe' s (crowded cities) was caused by tuberculosis.
A.
During
B.
one in every seven
C.
deaths
D.
crowded cities
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