题目
The orthodox view of human handedness is that it is connected to the bilateral specialisation of the brain that has concentrated language-processing functions on the left side of that organ. Because, long ago in the evolutionary past, an ancestor of humans underwent a contortion that twisted its head around 180°relative to its body, the left side of the brain controls the fight side of the body, and vice versa. In humans, the left brain is usually dominant. And on average, left-handers are smaller and lighter than right-handers. That should put them at an evolutionary disadvantage. Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists. But Charlotte Faurie thinks he knows the answer.
As any schoolboy could tell you, winning fights enhances your status. If, in prehistory, this translated into increased reproductive success, it might have been enough to maintain a certain proportion of left-handers in the population, by balancing the costs of being left-handed with the advantages gained in fighting. If that is tree, then there will be a higher proportion of left-handers in societies with higher levels of violence, since the advantages of being left-handed will be enhanced in such societies. Dr. Faurie set out to test this hypothesis. Fighting in modem societies often involves the use of technology, notably firms, that is unlikely to give any advantage to left-handers. So Dr. Faurie decided to confine his investigation to the proportion of left-handers and the level of violence in traditional societies.
By trawling the literature, checking with police departments, and even going out into the field and asking people, Dr. Faurie found that the proportion of left-handers in a traditional society is, indeed, correlated with its homicide rate. One of the highest proportions of left-handers, for example, was found among the Yanomamo of South America. Raiding and warfare are central to Yanomamo culture. The murder rate is 4 per 1,000 inhabitants per year. And, according to Dr. Faufie, 22.6% of Yanomamo are left-handed. In contrast, Dioula-speaking people of Burkina Faso in West Africa are virtual pacifists. There are only 0.013 murders per 1,000 inhabitants among them and only 3.4% of the population is left-handed.
While there is no suggestion that left-handed people are more violent than the right-handed, it looks as though they are more successfully violent. Perhaps that helps to explain the double meaning of the word "sinister".
The example of "Apollo Creed" is mentioned to show that
A.right-handers are put at a psychological disadvantage.
B.right-handers do not excel at boxing.
C.left-handers enjoy advantage in some sports.
D.left-handers are often involved in fighting.
第1题
A.By pushing a box against the door.
B.By putting the refrigerator in a box.
C.By using a long rope around the door.
D.By keeping the hinges tightly with glue.
第2题
A.It was hard to achieve.
B.It went against what they have been taught.
C.It was beyond their capability.
D.It went against their instinct.
第3题
What can be the best title for this text?
A.How Hard Life Is for Box Boys
B.Getting along with Customers
C.Why I Gave up My Job
D.The Art of Taking Tips
第4题
Hard right rudder means______.
A.jam the rudder against the stops
B.meet a swing to the right,then return to amidships
C.put the rudder over to the right all the way
D.put the rudder over quickly to 15 degrees right rudder
第5题
A.carry on
B.set for
C.turn on
D.go against
第6题
The main reason why the Indians are most discriminated against is that______.
A.they have tried hard to keep their religions
B.they have tried hard to live together to keep their Indian customs
C.they are the only ones who have tried to keep their identity
D.they discriminate many other races
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