| 71. | One such car, for example, can travel 800 kilometres on forty-five litres of water, and burns paraffin at the rate of nine kilometres to the litre. |
| 例如，一部这种车行驶800公里只用45升水，每9公里只用1升煤油。
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| 72. | This, at any rate , was a patent fact, and beyond the experience of the world. |
| 无论如何，这些都是明摆着的事实，可又绝非凡夫俗子所能理解。
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| 73. | As a result, California's growth rate dropped during the 1970's, to 18.5 percent--little more than two thirds the 1960's growth figure and considerably below that of other Western states. |
| 结果，加利福尼亚的人口增长率在20世纪70年代时下降到了18．5％一 一稍高于60年代增长率的三分之二，大大低于西部其他各州。
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| 74. | There are two reasons for the improvement in people's living conditions. In the first place, we have been carrying out the reform and opening-up policy. Secondly, there has been a rapid expansion of our national economy. Furthermore, the birth rate has been put under control. |
| 人民生活状况的改善原因有两点。首先，我们一直在贯彻执行改革开放政策。其次，国民经济正在迅速发展，而且出生率已经得到控制。
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| 75. | Imagine a rocket that can travel at the rate of light! |
| 想象一下能以光的速度飞行的火箭。
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| 76. | They drove at a steady rate . |
| 他们以平稳的速度开车。
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| 77. | What's the going rate of computer programmers? |
| 计算机程序设计人员的一般工资是多少？
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| 78. | The exchange rate of the pound has moved up. |
| 英镑的汇率已经上涨了。
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| 79. | Get on, we shall miss the train at this rate . |
| 赶快，照这样的速度我们赶不上火车了。
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| 80. | bring down prices, the rate of inflation, the cost of living, etc |
| 降低价格， 通货膨胀率， 生活费用等
|