Cloze Test(20 points)
Directions：There are 10 blanks in the following passage．For each blank there are four choices marked A，B，C and D．You should choose the one answer that best fits into the passage．Then mark the corresponding letter on the Answer Sheet with a single line through the center．

21、 根据以下内容回答21-30题：
A studv(1)that fitness is the key(2)long life，irrespective of body shape or even smoking habits．Researchers discovered that people(3)exercise live longer than those who do not，(4)they are overweight and smoke．
The studv found that the least fit of the 6000 middle．aged men in the study were five times(5)to die within six years of the start of the research than the fittest．This was true whether or not the men had heart problems，smoked or(6)overweight．Scientists concluded that it was better to be fat and active than skinny and sedentary．Dr．Ken Cooper，a fitness expert， said，“You are better off smoking a packet of cigarettes a day and(7)regularly than being a non-smoker and sedentary．”Although he adds，“But don’t misunderstand me．I am not endorsing smoking．I am trying to tell you how dangerous it is to be sedentary.”
(8)，the study appears to fly in the face of research last year which concluded that more than 30，000 people die prematurely every year in Britain from illnesses caused by being overweight．
The British Government is putting pressure on manufacturers(9)high levels of sugar in fbod and to l．estrict the hard—sell of iunk food to children in order to improve the nation’s health． But the new study suggests the Government(10)more people to exercise．
请回答(1)题
A．showing
B．show
C．has shown
D．had shown


22、 请回答(1)题
A．to
B．for
C．of
D．in


23、 请回答(3)题
A．／
B．which
C．whom
D．who


24、 请回答(4)题
A．if
B．unless
C．even if
D．because


25、 请回答(5)题
A．like
B．likely
C．less likely
D．more likely


26、 请回答(6)题
A．was
B．were
C．is
D．are


27、 请回答(7)题
A．to exereise
B．exercising
C．exercise
D．exercised


28、 请回答(8)题
A．However
B．So
C．Although
D．Furthermore


29、 请回答(9)题
A．reduce
B．reducing
C．to reduce
D．reduced


30、 请回答(10)题
A．encouraged
B．encouraging
C．to encourage
D．encourage