答案：　C

　　4．解析：　句意理解题。结合小女孩的不幸遭遇和她的现状可推知，本句话的字面意思为：尽管失去双翼，但思想仍要飞翔。即虽然面对困境，但是对生活不能失去希望和信心。

　　答案：　A

　　5．解析：　篇章结构题。通读全文可知，文章通过对有相似遭遇的两个人的不同结果进行比较，说明了本文的主题。

　　答案：B2016·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 and easier.Choset says his new design is smaller and more flexible than earlier models.The size of surgical robots allows surgeons to operate with far less damage to the body，helping the patient heal faster.For example，instead of opening the entire chest up during heart surgery，a small hole is made，and a thin robotic snake crawls inside to the proper spot.

　　Dr Ashutosh Tewari of Cornell University Medical Center has used robotic tools to perform thousands of operations.Tewari said he’s most excited about the potential for surgical robots to do things humans can’t do.He said the variety of sensors available for surgical robots keeps expanding，even as they get smaller.He said they may one day be able to test chemicals or blood in the body，or even the electrical connections in nerves.

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