A-A+
From the text we learn that the laser can_____
问题详情
From the text we learn that the laser can_________
[A] cut a structure from a right position
[ B ] design parts of a complex structure
[ C] measure the distance between planets
[ D] predict the movement of earth" s plates请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:C
47.C【精析】推断题。从原文第三段第三句话“Thelaserbeamhasal-sobeenusedtomeasureremotedistances,forexample,thepre-cisedistancefromtheEarthtotheMoon.”可知,利用激光还可以测量更远的距离,比如说地球和月亮之间的精确距离,因此激光可以用作测量星球之间距离的工具,所以正确的答案为C。