| 1. | How long can a human being go without food? |
| 人不吃东西能活多久?
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| 2. | A human being contains [has] approximately 50 trillion cells. |
| 人体内大约有50万个细胞。
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| 3. | In every human being there is a wish to ameliorate his own condition. |
| 改善自己境况的愿望人皆有之。
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| 4. | take the shape of a human being . |
| 呈人的形状。
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| 5. | Each human being has to die, but mankind goes on world without end. |
| 人终有一死，但人类的发展却是永无止境的。
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