Madame Curie is believed radium.
举一反三
- 智慧职教: Madame Curie is believed ___ the radium.
- Madame Curie is believed _________ radium (镭). A: discovering B: having discovered C: to have discovered D: to discover
- Madame Curie is believed ____ the radium. A: discovering B: having<br/>discovered C: to have discovered D: to discovered
- Madam Curie is believed ___ the radium. A: having discovered B: to discover C: to have discovered D: discovering
- “If Madame Curie had not happened to leave a photographic plate in a drawer with a chunk of pitchblende, the world today would not know about radium." The statement commits the fallacy of: