| 91. | Moon-dwellers will be able to fly in space at only three per cent of the cost of similar journeys by their terrestrial dwellers will be able to fly in space at only three per cent of the cost of similar journeys by their terrestrial cousins. |
| 月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。
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| 92. | Ethanol is more effective at a concentration of 50-70 per cent; |
| 乙醇的浓度为50%至70%时比较有效，
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| 93. | below 20 per cent, its bactericidal action is negligible. |
| 浓度低于20%时，杀菌能力基本上就不存在了。
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| 94. | Spirits labelled 95 proof contain only about 47 per cent alcohol. |
| 强度标为95的酒中含有47%的酒精。
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| 95. | Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns, so vast is the number of planets, that intelligent life is bound to be a natural part of the universe. |
| 虽然在已经产生生命的某个地方，可能只有1%会发展成高度复杂有智力的生命形态，但是行星的数目是那么庞大，有智力的生命必然是宇宙的自然组成道听部分。
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| 96. | This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second. |
| 这种通迅联系要靠21厘料波段，即每秒1420兆周的精确无线电频率。
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| 97. | An epidemic resulted in overt measles in 99.9% per cent of the indigenous population. |
| 一次流行引起99.9%土著居民患有明显的麻疹。
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| 98. | Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns, so vast is the number of planets that intelligent life is bound to be a natural part of the universe. |
| 虽然在某处已经开始的生命中可能仅有百分之一会发展成高度复杂、有智慧的型式, 但是行星的数目如此之多, 以致有智慧的生命一定是宇宙的一个天然组成部分。
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| 99. | These apples cost five yuan per kilogram. |
| 这些苹果每公斤五元。
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| 100. | Their requirement is that every member attend at least one meeting per year. |
| 他们的要求是每个会员每年至少参加一次会议。
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