单选题. Historians tend to tell the same joke when they are describing history education in America. It's the one 41 the teacher standing in the schoolroom door 42 goodbye to students for the summer and calling 43 them, "By the way, we won World War Ⅱ." The problem with the joke, of course, is that it's 44 funny. The recent surveys on 45 illiteracy (无知) are beginning to numb (令人震惊): nearly one third of American 17-year-olds cannot even 46 which countries the United States 47 against in that war. One third have no 48 when the Declaration of Independence was 49 . One third thought Columbus reached the New World after 1750. Two thirds cannot correctly 50 the Civil War between 1850 and 1900. 51 when they get the answers right, some are 52 guessing. Unlike math or science, ignorance of history cannot be 53 connected to loss of international 54 But it does affect our future 55 a democratic nation and as individuals. The 56 news is that there is growing agreement 57 what is wrong with the 58 of history and what needs to be 59 to fix it. The steps are tentative (常识性) 60 yet to he felt in most classrooms.41.