2. 外语
  3. All substances, ______, liquid or solid, are made up of atoms.

All substances, ______, liquid or solid, are made up of atoms.

admin2012-09-13  17
问题 All substances, ______, liquid or solid, are made up of atoms.
选项 A、be they gases
B、whether they are gases
C、they are gases
D、they can be gases
答案A
解析
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