| 1. | In addition to copper , there are many other metals which are good conductors .
除了铜，还有很多其它金属都是良导体。 |
| 2. | That iron is a good conductor is known to us all
铁是良导体这是我们大家都知道的。 |
| 3. | She knows why the metal is the good conductor
她知道金属为什么是好的导体。 |
| 4. | Copper , like many other metals , is a good conductor
铜与其他许多金属一样是良导体。 |
| 5. | All these metals are not good conductors
所有这些金属都不是良导体。 |
| 6. | All these metals are not good conductors
所有这些金属并非是良导体。 |
| 7. | Not all metals are good conductors
并非所有的金属都是良导体。 |
| 8. | Aluminum is a good conductor of heat
铝是热的良导体。 |
| 9. | It follows that not all substances are good conductors of electricity
由此可见并非一切物体都是电的良导体。 |
| 10. | Good conductor , is it
黑色是良导体吧？ |
