If you receive a bunch of roses on Valentine's Day, Do you know what hidden meaning is to it? [ ]A. put B. introduced C. attached D. tied 题目和参考答案——青夏教育精英家教网—

  If you were to walk up to Arthur Bonner and say, "Hey, But
terfly Man, "his face would break into a smile. The title suits him.
And he loves it.
     Arthur Bonner works with the Palos Verdes blue butterfly (蝴
蝶) ,once thought to have died out. Today the butterfly is coming
back-thanks to him. But years ago if you'd told him this was what
he'd be doing someday,he would have laughed," You're crazy. "As
a boy,he used to be "a little tough guy on the streets". At age thirteen,
he was caught by the police for stealing. At eighteen ,he land-
ed in prison for shooting a man.
      "I knew it had hurt my morn," Bonner said after he got out of
prison. "So I told myself I would not put my mom through that pain
again. "
     One day he met Professor Mattoni, who was working to rebuild
the habitat(栖息地) for an endangered butterfly called El Segundo
blue.
     "I saw the sign' Butterfly Habitat' and asked, ' How can you
have a habitat when the butterflies can just fly away?' "Bonner recalls.
"Dr. Mattoni laughed and handed me a magnifying glass (放
大镜) ,' Look at the leaves. ' I could see all these caterpillars (蝶的幼
虫)on the plant. Dr. Mattoni explained, 'Without the plant,
there are no butterflies. '"
     Weeks later, Bonner recei.ved a call from Dr. Mattoni, who told
him there was a butterfly that needed help. That was how he met the
Palos Verdes blue. Since then he's been working for four years to
help bring the butterfly back. He grows astragalus, the only plant
the butterfly eats. He collects butterflies and brings them into a lab
to lay eggs. Then he puts new butterflies into the habitat.
     The butterfly's population, once almost zero, is now up to 900.
For their work, Bonner and Dr. Mattoni received lots of awards. But
for Bonner,he earned something more:he turned his life around.
     For six years now Bonner has kept his promise to stay out of
prison. While he's bringing back the Palos Verdes blue, the butterfly
has helped bring him back, too.

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