根据短文内容，判断下列句子的正（T）误（F）MissKatetaughtphysicsinaNewYorkschool．Lastmonthshewasexplainingtooneofherclassesaboutsound，andshedecidedtotestthemtoseehowwelltheyhadunderstoodherexplan

Question

根据短文内容，判断下列句子的正（T）误（F）
Miss Kate taught physics in a New York school．Last month she was explaining to one ofher classes about sound，and she decided to test them to see how well they had understood her explanation．She said to them，“Now，I have a brother in Los Angeles．If I was calling him on the phone，and at the same time you were 80meters away，and were listening to me from across
the street，which of you would hear what I said earlier，my brother or you and for what reason？”
A boy at once answered，“Your brother，Miss Kate，because electricity travels faster than sound waves（声波）．
“That’s very good．”Miss Kate said，but then Jenny said，“I don’t agree．Your brother would hear you earlier because it is 11o’clock here，it’s only eight o’clock in Los Angeles．”
46．Miss Kate was a physics teacher．___
47．All her students understood her lesson．___
48．The boy’s answer was not correct．___
49．The boy’s answer was just what Kate wanted her students to know．___
50．Jenny thought the boy’s reason was wrong because she found Los Angeles Time was three hours earlier than New York Time．___．

Answer 1

46．T 由句子Miss Kate taught physics in a New York school可知，凯特是一名物理老师．
47．F 由文章大意可知，珍妮不理解讲述的内容，所以不是所有的学生都懂．
48．F 由句子That’s very good．”可知，男孩的答案是对的．
49．T 根据凯特同意男孩的答案可知，男孩的答案就是她想让学生知道的． 
50．T  由句子it is 11o’clock here，it’s only eight o’clock in Los Angeles．可知，珍妮的想法是对的．