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Read the following text. Choose the best word or phrase marked A, B, C or D for each numbered blank. 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 (n) 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.
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编写如下两个事件过程： Private Sub Form KeyDown(KeyCode As Integer，Shift As Integer) Print Chr(KeyCode) End Sub Private Sub Form KeyPress(KeyAscii AS Integer)Print Chr(KevAscii)End Sub 在一般情况下(即不按住Shift键也未锁定大写键时)运行程序，如果按键盘上的“A”键，则程序输出的结果是( )。
Read the following text. Choose the best word or phrase marked A, B, C or D for each numbered blank. 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 (n) 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.
Read the following text. Choose the best word or phrase marked A, B, C or D for each numbered blank. 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 (n) 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.
Read the following text. Answer the questions below the text by choosing A, B, C or D. In 1784, five years before he became president of the United States, George Washington, 52, was nearly toothless. So he hired a dentist to transplant nine teeth int0 his jaw—having extracted them from the mouths of his slaves. That’s a far different image from the cherry-tree-chopping George most people remember from their history books. But recently, many historians have begun to focus on the roles slavery played in the lives of the founding generation. They have been spurred in part by DNA evidence made available in 1998, which almost certainly proved Thomas Jefferson had fathered at least one child with his slave Sally Hemings. And only over the past 30 years have scholars examined history from the bottom up. Works of several historians reveal the moral compromises made by the nation’s early leaders and the fragile nature of the country’s infancy. More significantly, they argue that many of the Founding Fathers knew slavery was wrong—and yet most did little to fight it. More than anything, the historians say, the founders were hampered by the culture of their time. While Washington and Jefferson privately expressed distaste for slavery, they also understood that it was part of the political and economic bedrock of the country they helped to create. For one thing, the South could not afford to part with its slaves. Owning slaves was "like having a large bank account," says Wiencek, author of An Imperfect God: George Washington, His Slaves, and the Creation of America. The southern states would not have signed the Constitution without protections for the "peculiar institution," including a clause that counted a slave as three fifths of a man for purposes of congressional representation. And the statesmen’s political lives depended on slavery. The three-fifths formula handed Jefferson his narrow victory in the presidential election of 1800 by inflating the votes of the southern states in the Electoral College. Once in office, Jefferson extended slavery with the Louisiana Purchase in 1803; the new land was carved into 13 states, including three slave states. Still, Jefferson freed Hemings’s children—though not Hemings herself or his approximately 150 other slaves. Washington, who had begun to believe that all men were created equal after observing the bravery of the black soldiers during the Revolutionary War, overcame the strong opposition of his relatives to grant his slaves their freedom in his will. Only a decade earlier, such an act would have required legislative approval in Virginia. Which of the following is true according to the text
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