The bicycle is one of the simplest yet most useful inventions in the world. What is most surprising is that it was not 1 earlier, although the great inventor Leonardo Da Vinci had drawn pictures for bicycles and also for flying machines and some other things. Those things were not produced2 long after he died.
A person riding a bicycle uses 3 energy to make the bicycle move, and there is no pollution at all when you are riding. Even so, in developed 4, most people don’t travel to work by bicycle. It is not because the bicycles are expensive or people feel5 if they ride to work. It’s because 6 cars on the roads becomes larger. It certainly becomes 7 to ride a bicycle. As a result, more people put their bicycles away and go to work 8 their cars , and in this way, the situation is made more serious.9 the best way to make riding safer and more popular is to create paths (开设通道) only for bicycles, and to make 10 so difficult and expensive for drivers to take their cars into the city that they will go back to use their bicycles.

Driving in China
I have been driving cars since I reached the pedals(踏板). In Canada you 1 16 to get a driver’s license. I 2 myself to be a very good driver.
I visited China 20 years ago. I with my wife was in Shanghai to give a paper at a conference. We 3 the number of bicycles on the roads and the few cars. In Canada almost each family has one car, but it was 4 that most Chinese depended on bicycles.
I 5 Shanghai and to other Chinese cities many times since then and have watched the fast changes on the roads. There are far fewer bicycles now but 6 cars. The roads are crowded, the government has been forced to limit the number of days some cars can 7 and the traffic jams are almost constant (经常的). So are the accidents. On a recent visit I saw four or five
8 within a two-week period.
To get a driver’s license in Canada, you must drive, with an examiner, on real roads and in real traffic. However, in China you learn on a closed course, 9 real traffic, get a license and only then are able to drive under real roads.
Driving in Canada and driving in China 10 two different experiences. In Canada there are traffic jams but they aren’t so bad. We have more traffic lights; we obey them and drivers are usually
11, allowing other cars to cut in front of them knowing it won’t make much difference. In China, if you stop 12 another car cut in front of you will probably be there for a long time because once one car gets in, dozens of 13 will follow.
I would rather 14 the bus than drive my car in downtown Shanghai and Beijing. Because it’s 15 and stronger than most things that might run into it.

完形填空
Bill likes football very much, and he often goes to matches in our 1 on Sundays. He doesn't go to the best seats, 2 they are very 3 . There was a big football match in our town last Sunday. 4 it was very cloudy, but then the sun 5 , and it was very hot. There were a lot of people on benches 6 Bill at the match. Bill was on one bench and there 7 a fat man on a bench behind him. At first the fat man was cold, 8 then he was very hot. He took his coat off and put it in front of him, but it fell on Bill's head. Bill was not angry. He took the coat 9 his head, looked at it and then. laughed and said, "Thank you. but 10 are the trousers?"
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