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【简答题】
The twins look the same. Mr Li find ______ hard to tell one from the other. A it B them C her D that
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举一反三
【单选题】When was the real electronics started? ( )
A.
in the early 20th century
B.
after the discovery of the transistor effect
C.
before the discovery of the transistor effect
【简答题】Sentence translation The real electronics what it is called today was actually started after the discovery of the transistor effect.
【单选题】（题干）某健康妇女，进行查体，其骨盆形态各径线均正常。则： 骨盆入口平面前后径平均值为
A.
11 cm
B.
12 cm
C.
13 cm
D.
14 cm
E.
15 cm
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