下列关于土地特性的说法中，正确的是（）。A．土地的自然特性是指人们在利用土地的过程中
题型：单项选择题
问题：
下列关于土地特性的说法中，正确的是（）。
A．土地的自然特性是指人们在利用土地的过程中，出现的有关生产力和生产关系方面的属性，表现在地理位置的可变性、用途的多样性
B．土地的经济特性是指土地在利用的过程中具有不以人的意志转移的属性，表现在土地使用价值的永续性和增值性
C．土地的特性包括自然特性和经济特性两个方面
D．土地的自然特性表现在土地面积的有限性和用途的多样性
题型：单项选择题
| 根据短文内容，从方框中选择合适的单词填空。 | |
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| The bicycle is one of the simplest yet most useful inventions in the world. What is the most surprising is that it was not (1)__________ earlier, although the great inventor Leonardo da Vinci had (2) __________ pictures for bicycles and flying machines and some other things. Those things were not produced (3) __________ long after he died. A person riding a bicycle uses very little (4) __________ to make the bicycle move, and there is no pollution at all when you are riding. Even so, in most develope  d (5) __________, most people don't go to work by bicycle. It is not (6) __________ the bicycles are expensive or people feel (7) __________ if they ride to work. It's because the number of cars on the roads becomes larger. It certainly becomes more (8) __________ to ride a bicycle. As a result, more people put their bicycles away and go to work (9) __________ their cars. And in this way, the situation is made more serious. Perhaps the best way to make riding safer and more popular is to (10) _____ _____ paths only for bicycles. |