Stone­age people hunted wild animals for their meat，which had much less fat than farm animals. They also ate a lot of fresh wild vegetables and fruit. They did not use milk and other dairy products, and they made very little use of grains. But today, we eat a large amount of dairy products and grain foods. We eat six times more salt than stone­age people, We eat more sugar. We eat twice as much fat but only one third as much protein(蛋白质)and much less vitamin C.

　　People today probably do not want to live as people thousands of years ago did, but scientists say that we would be much healthier if we ate as those ancient people did, cutting the amount of fatty, salty and sweet foods.

　　1．The people in industrial nations would be much healthier if they ate ________.

　　A．more foods as humans living 10,000 years ago did

　　B．as humans living 10,000 years ago

　　C．more kinds of food eaten by people living over 10,000 years ago

　　D．more of the same kind of food eaten by people over 10,000 years ago

　　答案：D　根据第一段可知，如果工业国家的人们多吃点与一万年以前人们吃的一样的食物，就会更健康。

　　2．New kinds of sicknesses have been found because ________.

　　A．the human body has changed compared with human first appearing on earth

　　B．the way we live has changed a little

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