共享题干题 （一）根据以下的材料，回答下列的问题。 The First Bicycle The history of the bicycle goes back more than 200 years. In 1791, Count de Sivrac ____________(51 )onlookers in a park in Paris as he showed ____________(52) his two-wheeled invention, a machine called the celerifere. It was basically an ____________(53)version of a children's toy which had been in use for many years. Sivrac's "celerifer6" had a wooden frame, made in the ____________(54) 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____________ (55)against the ____________(56) with your legs-there were no pedals. It was impossible to steer a celerifere and it had no brakes, but despite these problems the invention very much ____________(57)to the fashionable young men of Paris. Soon they were ____________(58) races up and down the streets. Minor ____________( 59 ) weremonasridersattemptedafinalburstof ____________(60). Controlling the machine was difficult,as the only way to change ____________(61) was to pull up the front of the"celerifere" and____________ (62)it round while the front wheel was spinning in the air."Celeriferrs" were not popular for long, ____________( 63 ), as the____________ ( 64 ) of no springs, no steering and rough roads made riding them very unfortable. Even so, the wooden eelerifer6 was the ____________(65 ) of the modem bicycle.1.[不定向选择题]____________A.surface B.ground C.earth D.floor 2.[不定向选择题]____________A.origin B.design C.model D.Introduction
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1.参考答案：B
参考解析：B 四个选项都跟“地”有点关系，Surface意为“表面”，ground意为“地面，土地”，earth意为“泥土，陆地”，floor意为“地板，地面”，比较之后，只有ground比较合适。
2.参考答案：A
参考解析：A综合全文大意，我们得知法国人发明的木制双轮车便是现代自行车的始祖，A选项符合题意。3.[不定向选择题] ____________A.roll B.drive C.turn D.revolve