This flashcard tests the correct passive voice construction ('are used') to indicate the function of electron storage rings.
Anéis de armazenamento de elétrons são usados em investigações de materiais.
| Question | Electron storage rings … in material investigations. |
|---|---|
| Title | 2513 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | they are used |
| Q_2 | are used |
| Q_3 | that are used |
| Answers | 1 0 0 |
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