71. | Copper conducts electricity better than iron does. |
| 铜的导电性比铁强。
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72. | You should have had enough sense to turn off the electricity supply before disconnecting the wires. |
| 你本来应该有足够的常识,在拆开电线之前先把电源切断。
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73. | We're using far too much electricity . |
| 我们的用电量太多了。
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74. | As a means of cooking and heating, electricity is very convenient, but where price is concerned, gas has it every time. |
| 作为做饭和取暖的手段,电是非常方便的,但就价格而言,还是每次用煤气省钱。
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75. | The machinery is driven by electricity . |
| 这些机器是电动的。
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76. | The absence of electricity made matters worse. |
| 停电使情况更糟了。
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77. | The buildings are lighted throughout with electricity . |
| 这些大楼全部用电照明。
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78. | Our streets are lighted [lit] by electricity . |
| 我们的街道使用电照明。
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79. | Steam and water power are used for the generation of electricity . |
| 蒸汽和水力可用来发电。
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80. | The electricity generator had broken down. |
| 发电机发生了故障。
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