[解析]
（1）细节理解题。根据第一段Inspired by the seeds，researchers designed a tiny，winged microchip，no larger than a grain of sand，that is powerful enough to monitor environmental pollution and airborne disease.（受这些种子的启发，研究人员设计了一种微小的带翼微芯片，它比一粒沙子还小，但却足以监测环境污染和空气传播疾病）可知，这种芯片被设计用来监测空气质量。故选C项。
（2）段落大意题。根据第二段第二三句To perfect the microchip's flying capability and shape，scientists took inspiration from the forms of various airborne seeds.The research team improved various designs until the microfliers flew slowly and more steadily than nature's samara seeds.（为了完善微芯片的飞行能力和形状，科学家们从各种通过空气传播的种子的形式中获得灵感。研究小组改进了各种设计，直到微型飞行器比自然界的翅果种子飞得更慢、更稳定）及第三段第一句To perfect the microflier's flight，researchers took inspiration from children's pop﹣up books to create the three﹣dimensional wings.（为了完善微型飞行器的飞行，研究人员从儿童立体书中获得灵感，创造了三维翅膀）及第三句To make the 3﹣D shape，John A.Rogers and his team built a stretched rubber base that the microchip rests on.（为了制作3 D形状，John A.Rogers和他的团队制作了一个可拉伸的橡胶底座，让微芯片固定在上面）可知，这两段主要介绍了研究团队是如何改良和完善微型飞行器的。故选B项。
（3）推理判断题。根据第四段第三四五句Rogers and his team are planning to test out the electronic chips soon by dropping thousands of the chips in a field.The microfliers will change color depending on the number of heavy metals present in the field where they land.A drone will then fly over the area and take photos of the microflier's colors，allowing researchers to map out the pollutants（Rogers和他的团队计划在不久的将来通过在田野中投放数千个芯片来测试这种电子芯片。这些微型飞行器会根据着陆地重金属含量的多少而改变颜色。然后，一架无人机将飞越该地区，拍摄微型飞行器的颜色，使研究人员能够绘制出污染物的地图）可推知，这些微型飞行器会根据着陆地重金属含量的多少而改变颜色，方便研究人员能够绘制出土地污染物的地图，从而解决土地污染问题。故选D项。
（4）标题归纳题。根据第一段最后一句Inspired by the seeds，researchers designed a tiny，winged microchip，no larger than a grain of sand，that is powerful enough to monitor environmental pollution and airborne disease.（受这些种子的启发，研究人员设计了一种微小的带翼微芯片，它比一粒沙子还小，但却足以监测环境污染和空气传播疾病。）及第四段第一句"The chip gathers data with sensors across its surface that can sense and monitor pH levels，test for heavy metals or chemicals，and track air pollution.（该芯片通过其表面的传感器收集数据，这些传感器可以感知和监测pH值，测试重金属或化学物质，并跟踪空气污染）可知，本文主要介绍了能够监测环境质量的带翼微芯片。选项A．Winged microchips for monitoring environment（用于监测环境的带翼微芯片）符合本文最佳标题。故选A项。
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