乌鲁木齐2015
高考英语阅读、完形填空选练（8）答案（四月）
阅读理解
《2014•泰安高三二轮复习质量检测》
howie choset，a roboticist，has been researching and building robots，particularly snake robots，at pittsburgh’s carnegie mellon university for years.
choset believes that his snake robot and others like it help reduce medical costs by making complex surgeries (外科手术) faster a
