题目内容
8.A team of scientists proved that seals had a very good sense of hearing.These men trained blind seals to expect food when they heard sounds.The seals always began snapping(猛咬) when a strong signal was sounded.It was proved that even a soft signal,a considerable distance away,could make these sea animals respond.That should make the fisherman who makes much noise while working,or talks loudly,start thinking.
The same team of scientists also trained seals to recognize different sounds.One bell-tone meant food,two bell-tones meant no food.In the beginning,the seals made mistakes when the two bell-tones were sounded.They were given a light tap after each mistake.The seals were good learners.They easily learned to tell the difference between the sounds.
67.Why was it necessary to use blind seals?Because theyA.
A.were unable to use sight for clues
B.had better hearing
C.were waiting to be fed
D.were the only animals to be found
68.To those seals strong signal meantC.
A.snapping B.nothing
C.food D.a light tap
69.The article doesn't say directly but suggests that fishermen usually thinkD.
A.seals have no good sense of hearing
B.seals have good sense of hearing
C.seals can only recognize bell sounds
D.seals can not hear soft or long distant sounds
70.Which title will be the best to suit the article?B
A.Clever Seals B.Smart Learners
C.An Underwater School D.An Unknown School.
分析 本文主要讲述海豹是一个聪明的学习者.
解答 67-70ACDB
67 A 细节题.根据文章第一 段A team of scientists proved that seals had a very good sense of hearing可知因为它们不能用眼睛看.故选A.
68 C 细节题.根据文章第一 段 These men trained blind seals to expect food when they heard sounds."可知,对它们来说,声音就意味着食物.故选C.
69 D 细节题.根据文章第二 段 That should make the fisherman who makes much noise while working,or talks loudly,start thinking.可知海豹不能听到软或遥远的声音,答案为D.
70 B 主旨大意题. 通读全文可知海豹是一个聪明的学习者,故选B.
点评 考察学生的细节理解和推理判断能力,做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确的选择.在做推理判断题不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.
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