EXERCICE
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De quoi sont fait chacun des objets suivants ? utilisez les mots de la liste suivante:
brass | aluminium | steel | steel | silver, bronze | gold
1. The blade of a kitchen knife. →
2. The medal if you win an Olympic event. →
3. The medals if you come second or third. →
4. A trumpet or trombone. →
5. Railway tracks. →
6. A coke can. →
Ensuite, répondez aux questions suivantes, en utilisant les mots donnés:
lead | mahogany | brass, steel, bronze | emerald
7. Which precious stone is green? →
8. Which type of wood is the most expensive? →
9. Which metal has the symbol Pb? →
10. Which metals are alloys? →