第二部分：语言知识及应用（共两节，满分45分）
第一节完形填空（共15小题；每小题2分，满分30分）
阅读下面短文，掌握其大意，然后从16～30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上相应的位置涂黑。
Carmen’s mother Maria had just survived a serious heart attack. But without a heart transplant (移植) her life was in constant 16 .
Both the mother and daughter knew that the chances were very small: finding a donor heart that 17 Maria’s blood type could take years. However, Carmen was determined to save her mother. She kept 18 hospitals all over the country.
Days stretched out. By Christmas, Maria had trouble 19 from one end of the room to the other. Carmen lost all hope. She fell into a 20 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 21 it
