When did humans start using utensils?Timeline of Eating Utensils. 500.000-12.000 BC - During the Stone Age of mankind, eating utensils consisted form simple sharp stones intended for cutting meat and fruit. Simple designs of spoons were made from hollowed out pieces of wood or seashells that ...
【2】C 根据The many wants of mankind might be regarded as making up several levels.故选C。 【3】A 根据The first and most basic level of wants involves food. Once this want is satisfied, a second level of wants appears: clothing and some sort of shelter. By the end of World War II...
When did humans start using utensils? Timeline of Eating Utensils.500.000-12.000 BC- During the Stone Age of mankind, eating utensils consisted form simple sharp stones intended for cutting meat and fruit. Simple designs of spoons were made from hollowed out pieces of wood or seashells that were...
mankind 18. A. liked B. hoped C. began D. waited 19. A. might B. ought to C. was told to D. had to 20. A. point B. end C. time D. beginning 点击展开完整题目 查看答案和解析>> 科目: 来源: 题型:阅读理解 A person, like a commodity(商品), needs packaging. But ...
People used them for cutting meat and skin from dead animals, and also for making other tools out of wood. Human beings needed to use tools because they did not have sharp teeth like other meat eating animals, such as lions and tigers. Tools helped people to get food more easily. ...
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but also to animals and plants.We can't have a fresh air because many factories have sent out poison gases into the air.It is reported some strange diseases have resulted in eating polluted food.There is a saying:Nature is the mother of mankind.We should not mistreat our mother.Strong ...
And mankind may be going farther in space than ever before ––you will be living on the moon or Mars.How should we view the changes that wait for us in the future? Should we be optimistic about the years ahead, or worried about what the future holds? Some scientists and experts are ...
People used them for cutting meat and skin from dead animals, and also for making other tools out of wood. Human beings needed to use tools because they did not have sharp teeth like other meat eating animals, such as lions and tigers. Tools helped people to get food more easily. ...