.B 解析:考查细节理解。根据第六段第一句“What I failed to expect was that several students were absent,which threw off my estimate”可知,作者没有料到的是有几个学生缺课,没有来学校,所以他没有估计对自己要回答的问题。故选B。
.D 解析:考查标题判断。根据全文尤其是文章最后一段可知,本文主要讲述了作者从自己应付数学老师所提问题而有一次差点失败这件事上吸取了教训,上了宝贵的一堂课。故D项最适合作文章标题。
阅读理解(2017·山东实验中学一模)
Global Positioning Systems (全球定位系统) are now a part of everyday driving in many countries.These satellitebased systems provide turnbyturn directions to help people get to where they want to go.However,they can also cause a lot of problems,send you to the wrong place or leave you completely lost.Many times,the driver is to blame.Sometimes a GPS error is responsible.Most often,says Barry Brown,it is a combination of the two.
Barry Brown is with the Mobile Life Centre in Stockholm,Sweden.He told us about an incident involving a friend who had flown to an airport in the eastern United States.There he borrowed a GPSequipped car to use during his stay.Mr Brown says,“They just plugged in an address and then set off to their destination.And,then it wasn’t until they were driving for thirty minutes that they realized they actually put in a destination back on the West Coast where they lived.They actually put their home address in.So again,the GPS is kind of ‘garbage in garbage out’.”
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