题目

Is the ‘Go to College’ Message Overdone? Even in a weak job market, the old college try isn’t the answer for everyone. A briefing paper from the Brookings Institution warns that “we may have overdone the message” on college, senior fellow Isabel Sawhill said. “We’ve been telling students and their families for years that college is the only way to succeed in the economy and of course there’s a lot of truth to that,” Ms. Sawhill said. “On average it does pay off… But if you load up on a whole lot of student debt and then you don’t graduate, that is a very ba26、下图所示，虚线表示等潜水位线，等潜水位距为8m；实线表示等高线，等高距为10m。据此回答 图中河流的流向和河流与潜水的补给关系分别是 A.向东流  河流补给潜水          B.向东流  潜水补给河流 C.向西流  河流补给潜水          D.向西流  潜水补给河流