完形填空（共20小题；每小题1分，满分20分）
阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项
Would you agree with the statement that a wish is born from an idea, a simple idea imagined in the mind? Back in the 19^th century two men had an idea which in the end became their great  36  . The efforts they had made were rewarded(奖赏) with their success that    37   world travel.
In 1903, the Wright Brothers (Wilbur and Orville) achieved their dream. They flew the world’s first power-driven, heavier-than-air machine by which they made free, controlled and sustained(持久的)   38  . Kitty Hawk, North Carolina(美国地名)   39   this important and memorable moment.
The dream started with an idea that was planted in their minds by a   40   given to them by their father. In the words of the boys, “Our father came into the house one evening with some object in his hands, and   41   we could see what it was, he threw it into the air. Instead of falling to the floor, the toy flew across the room   42   it hit the ceiling(天花板), where it finally sank to the   43  .” This simple toy attracted the Wright Brothers and started their lifelong   44  in human flight.
The Wright Brothers   45   learning new things.   46   they opened their own printing office and then in 1893 they opened a company where they repaired bicycles. But Wilbur had his mind set on something more   47  . He decided to pursue(致力于)   48  .
The brothers spent many hours researching,   49   their machines and making improvements. What started out as a   50   soon became a career. With determination and    51  they realized their dream in 1903.
The next time you hear or see an airplane or travel on one,   52   where it all started. A simple idea was developed in the minds of the two young men who didn’t have a university degree. They were not scientists in the   53   sense of the world.
What idea are you working on? Have you limited yourself by saying you are not a scientist or not   54   enough? Whatever the mind can think and believe, it can be   55  .

A．time B．dream C．pressure D．fortune

A．combined B．replaced C．explored D．changed

A．flight B．ride C．contribution D．achievement

A．wanted B．witnessed C．proved D．needed

A．bicycle B．airplane C．document D．toy

A．before B．when C．after D．while

A．until B．since C．if D．but

A．desk B．floor C．street D．road

A．discovery B．trip C．interest D．devotion

A．considered B．enjoyed C．admitted D．imagined

A．Actually B．Finally C．Usually D．Firstly

A．average B．powerful C．exciting D．fortunate

A．dancing B．singing C．flying D．writing

A．testing B．watching C．designing D．examining

A．hobby B．gift C．trouble D．trick

A．distinction B．explanation C．expression D．patience

A．forget B．ask C．remember D．expect

A．hopeful B．true C．wealthy D．energetic

A．funny B．polite C．outgoing D．clever

A．defeated B．achieved C．recognized D．organized