单选题
公共英语二级
2011-08-19
After the use of the laser beam, surgeons can perform operations which____.
A．[ A ] leave their patients with negative effects
B．[ B ] can treat only human eye diseases
C．[ C ] do little damage t their patients
D．[ D ] make their patients need a long time to recover
参考答案
C
答案解析
事实细节题。题干的意思是“使用激光束做手术时医生可以…”。文中第三段提到“曾经一度让患者疲惫不堪，并且术后恢复时间漫长的手术现在让患者变得很轻松很舒服”，可以排除A和D。由文中最后一句“也许一些癌症也能够用激光来治疗”可知B选项不正确。C选项意思为“使患者受到很小的伤害”。所以正确答案为C。
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