A-A+
Why do the American doctors think of using las
问题详情
Why do the American doctors think of using laser light to treat heart disease？
A．Beeause laser light is quite powerful．
B．Because laser light is penetrating．
C．Because laser light can destroy the blocking materials in human’s artery．
D．Because laser light can travel through the human body．
参考答案
正确答案：C
根据文章第二段开头一句，可知激光能够清除动脉里的脂肪物质，因此答案应是C项。
