阅读下面短文，掌握其大意．然后从1—15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
Carmen’s mother Maria had just survived a serious heart attack. But without a heart transplant(移植)her life was in constant   1     . 
Both the mother and daughter knew that the chances were very small: finding a donor heart that   2      Maria’s blood type could take years. However, Carmen was determined to save her mother. She kept   3    hospitals all over the country.
Days stretched out. By Christmas, Maria had trouble   4  from one end of the room to the other. Carmen lost all hope. She fell into a   5     of the hospital, crying.
“Are you okay?” a man asked.
Carmen sobbed as she told the stranger her story. This middle-aged man was named Frank, whose wife, Cheryl, a tender and devoted mother of four lovely children, had been in hospital with a brain disease and wouldn’t   6    it through the night. Suddenly, an idea came to Frank’s mind. He knew Cheryl had always wanted to   7     something from herself. Could her   8  go to Carmen’s mother?
After reviewing the data, doctors   9     Frank that his wife’s heart was by some miracle a perfect fit for Carmen’s mother. They were able to   10     the transplant.
That cold night, when Cheryl was   11    dead, Frank came to knock at Maria’s door. She was   12   for Frank’s family as she had been doing every day recently. Though Maria had never met Frank before, they both felt a strange bond as they hugged and cried.
On New Year’s Eve, Carmen attended Cheryl’s   13  with Frank’s family, who were singing their favorite song “My heart will go on.”
One day later, on New Year’s Day, Maria   14  with Cheryl’s heart. Yes, Cheryl’s loving heart would go on, for it was   15 in another loving mother’s chest.

A．change B．danger C．disorder D．pain

A．matched B．replaced C．controlled D．cooperated

A．finding B．phoning C．touring D．interrupting

A．rolling B．running C．walking D．jumping

A．corner B．bed C．man D．nurse

A．put B．support C．pass D．make

A．save B．recycle C．donate D．separate

A．heart B．brain C．husband D．spirit

A．informed B．warned C．congratulated D．reminded

A．give up B．carry out C．search after D．put off

A．noticed B．predicted C．found D．declared

A．praying B．begging C．decorating D．singing

A．funeral B．operation C．performance D．anniversary

A．passed away B．woke up C．left behind D．dressed up

A．active B．alive C．necessary D．changeable