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[共享题干题]【2011年真题】（一） Young Adults Who Exercise Get Higher IQ Score Young adults who are fit have a higher IQ and are more likely to go on to university，reveals a major new study________(51) out at the Sahlgrenska Academy and Sahlgrenska University Hospital． The results were recently published in the Proceedings of the National Academy of Sciences (PNAS)．The study________(52) l.2 million Swedish men doing military service who were born between l 950 and l976．The research group analyzed the________(53) of both physical and IQ tests the youngsters took fight after they started serving the army． The study shows a clear link________(54) good physical fitness and better results for the IQ test．The strongest links are for________(55) thinking and verbal comprehension．But it is only fitness that plays a ________(56) in the results for the IQ test，and not strength．"Being fit means that you also have good heart and lung________(57) and that your brain gets plenty of oxygen,” says Michael Nilsson，professor at the Sahlgrenska Academy and chief physician at the Sahlgrenska University Hospital．"This may be one of the reasons why we can see a clear link with fitness，but not with muscular ________(58)．We are also seeing there are growth factors that are important．" By analyzing data for twins，the researchers have been ________(59) to determine that it is primarily environmental factors and not genes that ________(60) the link between fitness and a higher IQ．"We have also shown that those youngsters who ________(61) their physical fitness between the ages of l5 and l8 increase their cognitive performance," says Mafia berg, researcher at the Sahlgrenska Academy and physician at by health centre．"This being the case，physical education is a ________(62) that has an important place in schools，and is an absolute must________(63) we want to do well in math and other theoretical subjects." The researchers have also compared the results from fitness tests during national service________(64) the socioeconomic status of the men later in life．Those who were fit at l8 were more ________(65) to go into higher education，and many secured more qualified jobs．
单选题第1题_________.
A.trength
B.exercise
C.training
D.movement

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