题目内容

16．On March 5，Chinese President Hu Jintao ________ Russian Prime Minister Putin on his election to the country's presidency．（　　）
A．celebratedB．expressedC．congratulatedD．observed

分析 3月5日，中国国家主席胡锦涛祝贺俄罗斯总理普京当选国家总统．

解答 答案：C．
根据句意"中国国家主席胡锦涛祝贺俄罗斯总理当选国家总统"可知此处是祝贺之意，再根据后面"on his election to the country's presidency"可知此处应用congraduate构成congraduate sb．on sth．结构"为某事祝贺某人"．celebrate庆祝，庆贺； express表达，表示； observe观察，遵守，庆祝，均不与on连用，故选C．

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It used to be rare for people to live to 100．Butbabies born in the U．S．today can hope to live thatlong．In the 20th century，life expectancy in wealthy nations increased by as much as 30 years．Average life expectancy for Americans is 78．But doctors are seeing people adopt bad habits that can cut their lives short…like eating toomuch or eating too much junk food，exercising too little and smoking cigarettes．These habits increase the risk for cancer，diabetes，heart disease and stroke．
Researchers at Harvard University and the University of Washington wanted to find out howmany years are lost with these lifestyle choices．"What we found was that high blood pressure，smoking，overweightaccount for five years ofloss of life expectancy in men and about four years in womenat the national   level，"Goodarz Danaei，one of the principal researchers said．The researchers broke down the data into race，income and locale and they found even greaterdifferences．Middle-income whites have the best blood pressure．But Asian-Americans have fewest badhabits and the best health．"They are not getting  heart disease because of low blood pressure，they are not getting cancer  because they have low risk factors for cancer，including smoking，"Danaei said．
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32．Some people's early death is the result of theirC．
A．life expectancy    
B．genes    
C．lifestyles    
D．hobbies
33．Babies born nowadays in the US can be expected toA．
A．live to 100        
B．live less than 100
C．live 30years longer      
D．live to 78
34．High blood pressure，smoking and overweight can lead toB．
A．four years of loss of life expectancy in men and five years in women
B．five years of loss of life expectancy in men while about four years in women
C．five years of loss of life expectancy in both men and in women
D．nine years of loss of life expectancy in both men and in women
35．Compared with Asian-Americans，middle-income whites haveC．
A．fewer bad habits         
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C．better blood pressure   
D．lower risk of cancer．
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D
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