共用题干 The First Bicycle
The history of the bicycle goes back more than 200 years.In 1791,Count de Sivrac______(1)onlookers in a park in Paris as he showed off his two-wheeled invention,a machine called the celeriferé.It was basically an______(2) version of a children"s toy which had been in______(3) for many years.Sivrac"s“celeriferé”had a wooden frame,made in the______(4) of a horse,which was mounted on a wheel at either end.To ride it,you sat on a small seat,just like a modern bicycle,and pushed______(5) against the______(6) with your legs一there were no pedals.It was im-possible to steer a celeriferé and it had no brakes,but despite these problems the invention very much______(7) to the fashionable young men of Paris.Soon they were______(8) races up and down the streets.
Minor______(9) were common as riders attempted a final burst of______(10).Controlling the machine was difficult,as the only way to change______(11) was to pull up the front of the “celeriferé” and______(12) it round while the front wheel was______(13) in the air.“Celeriferés” were not popular for long,however,as the______(14) of no springs,no steering and rough roads made riding them very uncomfortable.Even so,the wooden celeriferé was the ______(15) of the modern bicycle. 7._________