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【单选题】
莱氏体是一种A.
单相固溶体
B.
两相混合物
C.
Fe 与 C 的化合物
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反馈参考答案：
举一反三
【简答题】所谓互换性,就是同一规格的零件制成后,在装配时应 ________________________ ,装成的机器应能满足 _________________________ 。
【多选题】patient antiques cut back on repaired ambitious advantage publisher overtime applied shift My father was the of a small town newspaper. You have to be very with young learners. They had to move out wh...
A.
pulisher
B.
patient
C.
repaired
D.
antiques
E.
ambitious
F.
cut back on
G.
overtime
H.
applied
I.
shift
J.
advantages
【简答题】I. Fill in the blank in each of the following sentences with a suitable preposition or adverb. ( 1. He was born in a poor area of South London, but in 1913 he left Britain ______ good. 2. He revolted ...
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