本文选自雅思听力Section 3，难度一般

Summary:学生在大学学习过程中，经常要做一些实地考察研究。在此之前，学生们必须提前做方案，在和同学们讨论之后提交给老师。老师修改之后才能开始实际的考察。本节讲的是一个学生在与老师讨论他们小组的地理实地考察方案，老师对其提出一些修改建议。

HINTS
American Navajos
Sandra

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Interesting. Right, let's look at the content of your proposal now. Did you find it comprehensive enough? Well, yes and no. You've listed several different topics on your contents page, but I'm not sure they're all relevant. No? Well, I thought that from the perspective of a field trip, one thing I needed to focus on was the sandstone plateaux and cliffs themselves. The way they tower up from the flat landscape is just amazing. The fact that the surrounding softer rocks were eroded by wind and rain, leaving these huge outcrops high above the plain. It's hardly surprising that tourists flock to see the area. Well, yes, I'd agree with including those points. And then the fact that it's been home to native American Navajos and all the social history that goes with that. The hardships they endured trying to save their territory from the invading settlers. Their culture is so rich, all those wonderful stories. Well, I agree it's interesting, but it's not immediately relevant to your proposal, Sandra, so at this stage, I suggest you focus on other considerations. I think an indication of what the students on the trip could actually do when they get there should be far more central, so that certainly needs to be included and to be expanded upon. And I'd like to see something about the local wildlife, and vegetation too, not that I imagine there's much to see. Presumably the tourist invasion hasn't helped.