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【单选题】
含碳量0.45% 的铁碳合金平衡结晶后,按相组成物计算,其中铁素体占( )。A.
93.60%
B.
42.77%
C.
57.23%
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【单选题】Who is the first musicians in history to be able to live independently on his music salary?
A.
Ludwig Beethoven
B.
Wolfgang Amadeus Mozart
C.
Bob Dylan
D.
Beatles
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【单选题】Who is the first person to recognize his/her partner?
A.
Lawrence
B.
Mr.Lewis.
C.
Maria
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