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仔细阅读下列短文, 根据题目, 选出最佳选项. Milk was one of the main human foods long before history was written. It will probably remain one as long as there are animals that give milk. The old word "milk" came from Sanskrit(梵文), one of the oldest languages known to man. A very old picture of milking animals has been found. It was drawn five thousand years ago. People got their milk from their own animals. But in modern times new inventions made the milk industry(工业) a big business. In 1851 Gall Borden found a way to take some of the water from milk. This made it keep longer. Four years later, Louis Pasteur introduced a way to kill the bacteria(细菌) in milk. So in the same year a special milk bottle was made. This was followed by the invention of machines that could fill bottles with milk. These discoveries meant that milk could be stored longer. Some people believe that milk drinking will become less popular than it has been. But remember how long milk has been an important food and think of the many ways in which it is useful. It seems safe to say that milk industry will always be important. |
