三、完形填空(共15小题;每题2分，共30分)
通读下面的短文，掌握其大意。然后，从每小题的四个选项中选出可填入相应空白处的最佳选择，并把它前面的大写字母填入左边的括号里。
Young Marconi had the teachers to give him lessons at home in Italy.He loved books，especially 21________ on science.He had curious mind and always wanted to prove for himself 22________ he read.
23________ day，when he was sitting by an open window，it seemed that a thousand 24________ filled his ears.“Where are they all 25________ ?”he asked himself.“And where will they go? What happens to all the words that people say?Do they 26________ in the air around the earth，27 ________ waiting for someone to pick them up?”
At once Marconi went to work.Sounds cal3 be made t0 28 ________ ，he thought，if they are given a push by electricity.If I call push a piece of wood across the waves of water.I can also 29________ sounds through the air waves by electrical power.
A few weeks 30________ he called his mother and father up to his workroom for a 31 ________.He touched a little machine，and two floors below there was the sound of a buzz(嗡嗡声).“How did you do it?”they asked.“Your machine is 32________ far from the sound.”
“That’s right，”he said happily.“I have just found a 33________ to carry sound without wires.’’
Although Marconi’S father did not think the wireless sound would 34________ be important，he gave his son some money to 35________ his work.“Father，with this money I am going to send messages round the world one day.’’
( )21.
A.that
B.those
C.ones
D.One
答案：B
( )22.
A.that
B.what
C.Things
D.Books
答案：B
( )23.
A.Some
B.Certain
C.A
D.One
答案：D
( )24.
A.noises
B.voices
C.sounds
D.Waves
答案：A
( )25.
A.to
B.along
C.From
D.By
答案：C
( )26.
A.fly
B.float
C.keep
D.Stay
答案：D
( )27.
A.only
B.just
C.and
D.So
答案：B
( )28.
A.fly
B.run
C.travel
D.Go
答案：C
( )29.
A.push
B.fly
C.set
D.send
答案：D
( )30.
A.before
B.1ater
C.past
D.Ago
答案：B
( )31.
A.wonder
B.surprise
C.fright
D.Joke
答案：B
( )32.
A.so
B.such
C.much
D.Enough
答案：A
( )33.
A.road
B.path
C.way
D.Mean
答案：C
( )34.
A.ever
B.forever
C.never
D.Not
答案：A
( )35.
A.keep
B.keep on
C.go on
D.Continue
答案：D
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