小题1:B
小题2:A
小题3:C
短文属于说明文。介绍了microchips的开发、功能及使用。
小题1:主旨大意题。本文主要讲的就是microchips。
小题2:细节理解题。从第二段第四句“Many patients stop taking the medicine because of the pain and stress of the infections.”可知。
小题3:综合理解题。从第二段倒数第二句“Doctors will program the device before putting it under the skin, and the device has the ability to release a dose at a given time, every single day.”
可知它的工作程序。