ⅰ.阅读理解
a
(2014•安徽蚌埠高三第一次教学质量检查)less than 60 percent of students now entering fouryear american colleges are likely to graduate.the completion rate is lower than that of almost any other wealthy country.
on tuesday president obama gave a nationally broadcast speech to students about the importance of staying in school.he spoke on the first day of classes at
