1Doctors will try their best to save your life even if you’ve signed

 A.donated organs  B.the national waiting list  C.a donor card  D.senior citizens  E.all possible efforts  F.the most suitable candidate  

2Various factors are considered when deciding on

 A.donated organs  B.the national waiting list  C.a donor card  D.senior citizens  E.all possible efforts  F.the most suitable candidate  

3There is a great demand for

 A.donated organs  B.the national waiting list  C.a donor card  D.senior citizens  E.all possible efforts  F.the most suitable candidate  

4Organ donors range in age from newborns to

 A.donated organs  B.the national waiting list  C.a donor card  D.senior citizens  E.all possible efforts  F.the most suitable candidate  

5Paragraph 5

 A.Quality of donated organ  B.Benefits of organ donation  C.Distribution of donated organs  D.Quality of donor medical care  E.Age limits of organ donation  F.Status of organ donation and transplantation  

6Paragraph 4

 A.Quality of donated organ  B.Benefits of organ donation  C.Distribution of donated organs  D.Quality of donor medical care  E.Age limits of organ donation  F.Status of organ donation and transplantation  

7Paragraph 3

 A.Quality of donated organ  B.Benefits of organ donation  C.Distribution of donated organs  D.Quality of donor medical care  E.Age limits of organ donation  F.Status of organ donation and transplantation  

8Paragraph 2

 A.Quality of donated organ  B.Benefits of organ donation  C.Distribution of donated organs  D.Quality of donor medical care  E.Age limits of organ donation  F.Status of organ donation and transplantation  

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（第31—45题，每题3分，共45分;下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。）1、U.S. Eats Too Much Salt People in the United States consume more than twice the recommended amount of salt, raising their risk for high blood pressure, heart attacks and strokes, government health experts said on Thursday. They found nearly 70 percent of U.S adults are in high-risk groups that would benefit from a lower-salt diet of no more than 1,500 mg per day, yet most consume closer to 3,500 mg per day. "It's important for people to eat less salt. People who adopt a heart-healthy eating pattern that includes a diet low in sodium(钠) and rich in potassium(钾) and calcium(钙) can improve their blood pressure," Dr. Darwin Labarthe of the Centers for Disease Control and Prevention said in a statement. "People need to know their recommended daily sodium limit and take action to reduce sodium intake." Labarthe said. The study in CDC's weekly report on death and disease used national survey data to show that two out of three adults should be consuming no more than 1,500 mg of sodium per day because they are black or over the age of 40 — which are considered high-risk groups. Yet studies show most people in the United States eat 3,436 mg of sodium per day, according to a 2005 —2006 CDC estimate. Most of the sodium eaten comes from packaged, processed and restaurant foods. The CDC said it