When he was a small boy, he had loved butterflies. Now a grown man with his first son to be born in a few weeks, he found       once again fascinated with a cocoon（茧）．He had       it at the side of the park path. Somehow the twig(嫩枝）had been knocked from the tree and the cocoon had       undamaged and still woven to the branch.
As he had seen his mother do，he gently protected it by      it in his handkerchief and carried it home. The cocoon found a       home in a jar with holes in the lid. The man       it every day. One day, for the first time，the cocoon moved. He watched more closely and soon the cocoon was trembling with activity but nothing else      . The cocoon remained tightly glued to the twig and there was no       of wings.
Finally the shaking became so      ，the man thought the butterfly would die from the     .He removed the lid on the jar，took a sharp pen knife from his desk drawer and       made a tiny slit(切口)in the side of the cocoon. Almost immediately，one wing appeared and then outstretched the other. The butterfly was      !
It seemed to       its freedom and walked along the edge of the jar. But it didn’t fly. At first the man thought the   54   needed time to dry but time passed and still the butterfly did not      .
The man was worried and called up his neighbor who       high school science. He told the neighbor      he had found the cocoon，placed it in the mason jar, and the terrible trembling as the butterfly struggled to get out. When he       how he had carefully made a small slit in the cocoon，the teacher stopped him, “Oh, that is the      . You see，the struggle is what gives the butterfly the strength to fly.”
And so it is with us. Sometimes it’s the struggles in life that      us the most.

A．them B．us C．itself D．himself

A．searched B．raised C．found D．pulled

A．survived B．appeared C．existed D．hidden

A．hanging B．covering C．hiding D．wrapping

A．awful B．temporary C．forever D．luxurious

A．realized B．noticed C．watched D．recognized

A．happened B．arose C．helped D．proved

A．scene B．mark C．signal D．sign

A．nervous B．strong C．constant D．weak

A．struggle B．beat C．quarrel D．fight

A．confidently B．finally C．carefully D．proudly

A．different B．free C．happy D．alive

A．hate B．share C．desire D．enjoy

A．wings B．arms C．feet D．hands

A．bring up B．get down C．take off D．come out

A．observed B．invented C．searched D．taught

A．how B．why C．when D．where

A．reported B．described C．expressed D．imagined

A．excuse B．purpose C．reason D．evidence

A．strike B．strengthen C．trouble D．impress

科目 英语   题型 完型填空   难度 中等

知识点： 学校生活