问题
单项选择题
汽车产品的生命周期是指（）。
A、一款汽车从投放市场开始到该产品停产所经历的时间
B、一款汽车从生产策划开始到该产品停产，退出市场所经历的时间
C、一款汽车从投放市场开始到该产品停产，退出市场所经历的时间
D、一款汽车从投放市场到退出市场所经历的时间
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
汽车产品的生命周期是指（）。
A、一款汽车从投放市场开始到该产品停产所经历的时间
B、一款汽车从生产策划开始到该产品停产，退出市场所经历的时间
C、一款汽车从投放市场开始到该产品停产，退出市场所经历的时间
D、一款汽车从投放市场到退出市场所经历的时间
参考答案：C
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| Carmen's mother Maria had just survived a serious heart attack. But without a heart transplant her life was in constant __1__. Both the mother and the daughter knew that the chances were very __2__: finding a donor heart that __3__ Maria's blood type could take years. __4__, Carmen was determined to save her mother. She kept __5__ hospitals all over the country. Days stretched out. By Christmas, Maria had trouble __6__ from one end of the room to the other. Carmen lost all hope. She fell into a __7__ of the hospital, crying. "Are you okay?" a man asked. Carmen sobbed as she told the stranger her __8__. This middleaged 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 __9__ it through the night. Suddenly, an idea came to Frank's mind. He knew Cheryl had always wanted to __10__ something from herself. Could her __11__ go to Carmen's mother? After reviewing the data, doctors __12__ Fank that his wife's heart was by some miracle a perfect __13__ for Carmen's mother. They were able to __14__ the transplant. That cold night, when Cheryl was __15__ dead, Frank came to knock at Maria's door. She was __16__ for Frank's family as she had been doing every day recently. Though Maria had never met Frank before, they both felt a strange __17__ as they hugged and cried. On New Year's Eve, Carmen attended Cheryl's __18__ with Frank's family, who were singing their favorite song"My heart will go on". One day later, on New Year's Day, Maria __19__ with Cheryl's heart. Yes, Cheryl's loving heart would go on, for it was __20__ in another loving mother's chest. | ||||
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