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[主观题]
All substances, ________ , liquid or solid, are made up of atoms.A.be they gasesB.whether
All substances, ________ , liquid or solid, are made up of atoms.
A.be they gases
B.whether they are gases
C.they are gases
D.they can be gases
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All substances, ________ , liquid or solid, are made up of atoms.
A.be they gases
B.whether they are gases
C.they are gases
D.they can be gases
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