A-A+
The navigation computers have one thing in com
问题详情
The navigation computers have one thing in common:they all
A.contain series of maps on videodiscs or Videotapes
B.contain 13,300 maps covering the continental US
C.can be obtained free of charge
D.cost a lot of money 请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:A
借助常识判断判断C,D不可能是答案。利用“navigationcomputers"作为答案线索,注意题干中的修饰词“all"这样在文章中找到答案相关句:Thesecomputersvaryindetails.ButtheyallcontainsseriesofmapsonVediodiscsorvideotapes.Forexample,onecomputersystemcontains13,300mapscoveringthecontinentalUS.划线句的内容直接揭示答案。