A-A+
The writer thinks the most important use of th
问题详情
The writer thinks the most important use of the laser is in the field of______.
A．medical treatment
B．national defense
C．space travel
D．metrology请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：细节题。关键句：原文第四段第一句话"Probablythemostvitalapplicationofthelaserisinthefieldofmedicine．”可知，激光最重要的应用是在医药领域，故正确的答案为A。
