题目内容
11.Miss Evans taught physics in a London school.Last month she was explaining to her class about sound,and she decided to test them to see how successful she was in her work.She said to them.Now,I have a sister in Washington If I was calling her on the telephone,and at the same time you were 20meters away and listened to me from the other side of the street,who could hear what I said earlier,my sister r you?And why?The cleverest boy at once answered,"Your sister,Miss Evans,because electricity (电)travels faster than sound waves(波).""That's very good."Miss Evans answered,but then one of the girls put up her hand,and Miss Evans said,"Yes,Betty?"
"I don't think so."Betty said,"Your sister would hear you earlier because when it's eleven o'clock here,it's only six o'clock in Washington."
53.Miss Evans was teaching her classA.
A.about sound
B.to hear some strange sound
C.about electricity
D.how to say time
54.The cleverest boy thought thatD.
A.sound waves travel faster than electricity
B.they would hear her sister in Washington first
C.Miss Evans's question wasn't right
D.Miss Evans's sister would hear her earlier first
55.Betty thought the cleverest boy was wrong,becauseA.
A.clocks in Washington showed a different time from hose in London
B.electricity was slower than sound waves
C.they were only 20meters away from the telephone
D.electricity travels as fast as sound waves.
分析 埃文斯小姐在伦敦一所学校教物理.上个月她向学生讲解声音,她决定测试他们看到她在工作中是多么成功.她对他们说.现在,我有一个姐姐在华盛顿如果我在电话里叫她,同时你在20米开外,听我从街的另一边.谁能先听到我之前说的,我姐姐还是你,为什么?最聪明的男孩立刻回答说:"你姐姐,埃文斯小姐,因为电比声波传播速度快.""那很好."埃文斯小姐回答说,然后一个女孩举起她的手,和埃文斯小姐说,"是吗,贝蒂?""我不这么认为."贝蒂说,"你的姐姐会听到你早些时候因为十一点钟的时候,在华盛顿只有6点钟."
解答 答案:53.A 细节理解题.根据Last month she was explaining to her class about sound.上个月她向学生讲解声音.故选A.
54.D 细节理解题.根据The cleverest boy at once answered,"Your sister,Miss Evans,because electricity (电)travels faster than sound waves(波)."最聪明的男孩立刻回答说:"你姐姐,埃文斯小姐,因为电比声波传播速度快."可知最聪明的男孩认为她姐姐先听到声音.故选D.
55.A 细节理解题.根据Your sister would hear you earlier because when it's eleven o'clock here,it's only six o'clock in Washington.你的姐姐会听到你早些时候因为十一点钟的时候,在华盛顿只有6点钟.因为伦敦和华盛顿是有时差的.故选A.
点评 在通读全文的基础上,根据全文大意,展开逻辑思维,瞻前顾后,认真观察选项,仔细推敲,确定最佳答案.