填空题

The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name. But Gregory Cochran is (1)_____ to say it anyway. He is that (2)_____ bird, a scientist who works independently (3)_____ any institution. He helped popularize the idea that some diseases not (4)_____ thought to have a bacterial cause were actually infections, which aroused much controversy when it was first suggested. (5)_____ he, however, might tremble at the (6)_____ of what he is about to do. Together with another two scientists, he is publishing a paper which not only (7)_____ that one group of humanity is more intelligent than the others, but explains the process that has brought this about. The group in (8)_____ are a particular people originated from central Europe. The process is natural selection. This group generally do well in IQ test, (9)_____ 12-15 points above the (10)_____ value of 100, and have contributed (11)_____ to the intellectual and cultural life of the West, as the (12)_____ of their elites, including several world-renowned scientists, (13)_____. They also suffer more often than most people from a number of nasty genetic diseases, such as breast cancer. These facts, (14)_____, have previously been thought unrelated. The former has been (15)_____ to social effects, such as a strong tradition of (16)_____ education. The latter was seen as a (an) (17)_____ of genetic isolation. Dr. Cochran suggests that the intelligence and diseases are intimately (18)_____. His argument is that the unusual history of these people has (19)_____ them to unique evolutionary pressures that have resulted in this (20)_____ state of affairs. The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name. But Gregory Cochran is (1)_____ to say it anyway. He is that (2)_____ bird, a scientist who works independently (3)_____ any institution. He helped popularize the idea that some diseases not (4)_____ thought to have a bacterial cause were actually infections, which aroused much controversy when it was first suggested. (5)_____ he, however, might tremble at the (6)_____ of what he is about to do. Together with another two scientists, he is publishing a paper which not only (7)_____ that one group of humanity is more intelligent than the others, but explains the process that has brought this about. The group in (8)_____ are a particular people originated from central Europe. The process is natural selection. This group generally do well in IQ test, (9)_____ 12-15 points above the (10)_____ value of 100, and have contributed (11)_____ to the intellectual and cultural life of the West, as the (12)_____ of their elites, including several world-renowned scientists, (13)_____. They also suffer more often than most people from a number of nasty genetic diseases, such as breast cancer. These facts, (14)_____, have previously been thought unrelated. The former has been (15)_____ to social effects, such as a strong tradition of (16)_____ education. The latter was seen as a (an) (17)_____ of genetic isolation. Dr. Cochran suggests that the intelligence and diseases are intimately (18)_____. His argument is that the unusual history of these people has (19)_____ them to unique evolutionary pressures that have resulted in this (20)_____ state of affairs.