2016高考英语阅读理解和短文改错选练（2）
阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。
Three years ago, the president of Harvard, Lawrence H. Summers, got into trouble for questioning women’s“intrinsic (内在的)aptitude (能力)”for science and engineering. Recently, a study paid for by America’s National Science Foundation has found that girls perform as well as boys on standardized math tests.
Although boys in high school performed better than girls in math 20 years ago, the researchers found that is no longer the case. The reason, they said, is simple: Girls used to take fewer advanced math courses than boys, but now they are taking just as many.
“Now that enrollment in advanced math courses is equalized, we don’t see gender differences in test performance,” said Marcia C. Linn of the University of California, Berkeley, a co-author of the study. “But people are surprised by these findings, which suggests to me that the stereotypes are
