Question

根据短文内容，从方框中选择合适的单词填空。

energy,  invent,  draw,  until,  dangerous,  create, in,  tired,  because,  country

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 developed (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.

Answer 1

1. invented         2. drawn        3. until       4. energy           5. countries        6. because      7.tired           8. dangerous   9. in               10. create